Sample Notes + Written Material For Contents of The Syllabus: Data Representation: Number Systems: Understand How And Why Computers Use Binary To Represent All Forms Of Data

Sample Notes + Written Material For Contents of The Syllabus: Hardware: Computer Architecture: Understand The Purpose And Use Of An Instruction Set For A Cpu

Sample Video Lectures For The Content: Data Representation: Number Systems: Understand How And Why Computers Use Binary To Represent All Forms Of Data

Sample Video Lectures For The Content: Hardware: Computer Architecture: Understand The Purpose And Use Of An Instruction Set For A Cpu

Sample Quizzes For Preparation: Data Representation: Number Systems: Understand How And Why Computers Use Binary To Represent All Forms Of Data

Sample Quizzes For Preparation: Hardware: Computer Architecture: Understand The Purpose And Use Of An Instruction Set For A Cpu

Sample Cheat Sheets: Data Representation: Number Systems: Understand How And Why Computers Use Binary To Represent All Forms Of Data

Sample Cheat Sheets: Hardware: Computer Architecture: Understand The Purpose And Use Of An Instruction Set For A Cpu

Sample Practice Questions/ Practice Exams: Data Representation: Number Systems: Understand How And Why Computers Use Binary To Represent All Forms Of Data

Sample Practice Questions/ Practice Exams: Hardware: Computer Architecture: Understand The Purpose And Use Of An Instruction Set For A Cpu

Sample Paper 2 Codes, Pre-Release Material And Sheets: Pre-Release Material Mastery: Understanding The Purpose Of Pre-Release Material In Paper 2

Sample Paper 2 Codes, Pre-Release Material And Sheets: Pseudocode Core Structures (Cambridge Standard): Procedure Definition, Calls And Parameter Passing

Sample Paper Pattern/ Paper Preparation/ Techniques To Attempt The Paper/ Common Mistakes To Avoid: Paper Structure & Assessment Understanding: Understanding The Full Cambridge 2210 Assessment Structure (Paper 1 vs Paper 2)

Sample Paper Pattern/ Paper Preparation/ Techniques To Attempt The Paper/ Common Mistakes To Avoid: Paper 1 (Computer Systems) – Strategy & Pitfalls: FDE Cycle Answers That Get 2/5 Instead Of Full Marks — Why?

Sample Mock Exam:

Sample Mock Exam:

Sample Solved Past Paper:

Sample Solved Past Paper:

Sample Past Paper Session:

Sample Past Paper Session:

Schedule For Live Classes

Zoom Details

Course Breakup

Data Representation: Number Systems: Understand How And Why Computers Use Binary To Represent All Forms Of Data

Data Representation: Number Systems: Understand The Denary, Binary And Hexadecimal Number Systems

Data Representation: Number Systems: Convert Between: Positive Denary And Positive Binary

Data Representation: Number Systems: Convert Between: Positive Denary And Positive Hexadecimal

Data Representation: Number Systems: Convert Between: Positive Hexadecimal And Positive Binary

Data Representation: Number Systems: Understand How And Why Hexadecimal Is Used As A Beneficial Method Of Data Representation

Data Representation: Number Systems: Add Two Positive 8-bit Binary Integers

Data Representation: Number Systems: Understand The Concept Of Overflow And Why It Occurs In Binary Addition

Data Representation: Number Systems: Perform A Logical Binary Shift On A Positive 8-bit Binary Integer And Understand The Effect This Has On The Positive Binary Integer

Data Representation: Number Systems: Use The Two’s Complement Number System To Represent Positive And Negative 8-bit Binary Integers

Data Representation: Text, Sound And Images: Understand How And Why A Computer Represents Text And The Use Of Character Sets, Including American Standard Code For Information Interchange (Ascii) And Unicode

Data Representation: Text, Sound And Images: Understand How And Why A Computer Represents Sound, Including The Effects Of The Sample Rate And Sample Resolution

Data Representation: Text, Sound And Images: Understand How And Why A Computer Represents An Image, Including The Effects Of The Resolution And Colour Depth

Data Representation: Data Storage And Compression: Understand How Data Storage Is Measured

Data Representation: Data Storage And Compression: Calculate The File Size Of An Image File And A Sound File, Using Information Given

Data Representation: Data Storage And Compression: Understand The Purpose Of And Need For Data Compression

Data Representation: Data Storage And Compression: Understand How Files Are Compressed Using Lossy And Lossless Compression Methods

Data Transmission: Types And Methods Of Data Transmission: Understand That Data Is Broken Down Into Packets To Be Transmitted

Data Transmission: Types And Methods Of Data Transmission: Describe The Structure Of A Packet

Data Transmission: Types And Methods Of Data Transmission: Describe The Process Of Packet Switching

Data Transmission: Types And Methods Of Data Transmission: Describe How Data Is Transmitted From One Device To Another Using Different Methods Of Data Transmission

Data Transmission: Types And Methods Of Data Transmission: Explain The Suitability Of Each Method Of Data Transmission, For A Given Scenario

Data Transmission: Types And Methods Of Data Transmission: Understand The Universal Serial Bus (Usb) Interface And Explain How It Is Used To Transmit Data

Data Transmission: Methods Of Error Detection: Understand The Need To Check For Errors After Data Transmission And How These Errors Can Occur

Data Transmission: Methods Of Error Detection: Describe The Processes Involved In Each Of The Following Error Detection Methods For Detecting Errors In Data After Transmission: Parity Check (Odd And Even), Checksum And Echo Check

Data Transmission: Methods Of Error Detection: Describe How A Check Digit Is Used To Detect Errors In Data Entry And Identify Examples Of When A Check Digit Is Used, Including International Standard Book Numbers (Isbn) And Bar Codes

Data Transmission: Methods Of Error Detection: Describe How An Automatic Repeat Query (Arq) Can Be Used To Establish That Data Is Received Without Error

Data Transmission: Encryption: Understand The Need For And Purpose Of Encryption When Transmitting Data

Data Transmission: Encryption: Understand How Data Is Encrypted Using Symmetric And Asymmetric Encryption

Hardware: Computer Architecture: Understand The Role Of The Central Processing Unit (Cpu) In A Computer

Hardware: Computer Architecture: Understand What Is Meant By A Microprocessor

Hardware: Computer Architecture: Understand The Purpose Of The Components In A Cpu, In A Computer That Has A Von Neumann Architecture

Hardware: Computer Architecture: Describe The Process Of The Fetch–decode–execute (Fde) Cycle, Including The Role Of Each Component In The Process

Hardware: Computer Architecture: Understand What Is Meant By A Core, Cache And Clock In A Cpu And Explain How They Can Affect The Performance Of A Cpu

Hardware: Computer Architecture: Understand The Purpose And Use Of An Instruction Set For A Cpu

Hardware: Computer Architecture: Describe The Purpose And Characteristics Of An Embedded System And Identify Devices In Which They Are Commonly Used

Hardware: Input And Output Devices: Understand What Is Meant By An Input Device And Why It Is Required

Hardware: Input And Output Devices: Understand What Is Meant By An Output Device And Why It Is Required

Hardware: Input And Output Devices: Understand What Is Meant By A Sensor And The Purposes Of Sensors

Hardware: Input And Output Devices: Identify The Type Of Data Captured By Each Sensor And Understand When Each Sensor Would Be Used, Including Selecting The Most Suitable Sensor For A Given Context

Hardware: Data Storage: Understand What Is Meant By Primary Storage

Hardware: Data Storage: Understand What Is Meant By Secondary Storage

Hardware: Data Storage: Describe The Operation Of Magnetic, Optical And Solid-state (Flash Memory) Storage And Give Examples Of Each

Hardware: Data Storage: Describe What Is Meant By Virtual Memory, How It Is Created And Used And Why It Is Necessary

Hardware: Data Storage: Understand What Is Meant By Cloud Storage

Hardware: Data Storage: Explain The Advantages And Disadvantages Of Storing Data On The Cloud In Comparison To Storing It Locally

Hardware: Network Hardware: Understand That A Computer Needs A Network Interface Card (Nic) To Access A Network

Hardware: Network Hardware: Understand What Is Meant By, And The Purpose Of, A Media Access Control (Mac) Address, Including Its Structure

Hardware: Network Hardware: Understand What Is Meant By, And The Purpose Of, An Internet Protocol (Ip) Address

Hardware: Network Hardware: Understand That There Are Different Types Of Ip Address

Hardware: Network Hardware: Describe The Role Of A Router In A Network

Software: Types Of Software And Interrupts: Describe The Difference Between System Software And Application Software And Provide Examples Of Each

Software: Types Of Software And Interrupts: Describe The Role And Basic Functions Of An Operating System

Software: Types Of Software And Interrupts: Understand How Hardware, Firmware And An Operating System Are Required To Run Applications Software

Software: Types Of Software And Interrupts: Describe The Role And Operation Of Interrupts

Software: Types Of Programming Language, Translators And Integrated Development Environments (Ides): Explain What Is Meant By A High-level Language And A Low-level Language, Including The Advantages And Disadvantages Of Each

Software: Types Of Programming Language, Translators And Integrated Development Environments (Ides): Understand That Assembly Language Is A Form Of Low-level Language That Uses Mnemonics, And That An Assembler Is Needed To Translate An Assembly Language Program Into Machine Code

Software: Types Of Programming Language, Translators And Integrated Development Environments (Ides): Describe The Operation Of A Compiler And An Interpreter, Including How High-level Language Is Translated By Each And How Errors Are Reported

Software: Types Of Programming Language, Translators And Integrated Development Environments (Ides): Explain The Advantages And Disadvantages Of A Compiler And An Interpreter

Software: Types Of Programming Language, Translators And Integrated Development Environments (Ides): Explain The Role Of An Ide In Writing Program Code And The Common Functions Ides Provide

The Internet And Its Uses: The Internet And The World Wide Web: Understand The Difference Between The Internet And The World Wide Web

The Internet And Its Uses: The Internet And The World Wide Web: Understand What Is Meant By A Uniform Resource Locator (Url)

The Internet And Its Uses: The Internet And The World Wide Web: Describe The Purpose And Operation Of Hypertext Transfer Protocol (Http) And Hypertext Transfer Protocol Secure (Https)

The Internet And Its Uses: The Internet And The World Wide Web: Explain The Purpose And Functions Of A Web Browser

The Internet And Its Uses: The Internet And The World Wide Web: Describe How Web Pages Are Located, Retrieved And Displayed On A Device When A User Enters A Url

The Internet And Its Uses: The Internet And The World Wide Web: Explain What Is Meant By Cookies And How They Are Used, Including Session Cookies And Persistent Cookies

The Internet And Its Uses: Digital Currency: Understand The Concept Of A Digital Currency And How Digital Currencies Are Used

The Internet And Its Uses: Digital Currency: Understand The Process Of Blockchain And How It Is Used To Track Digital Currency Transactions

The Internet And Its Uses: Cyber Security: Describe The Processes Involved In, And The Aim Of Carrying Out, A Range Of Cyber Security Threats

The Internet And Its Uses: Cyber Security: Explain How A Range Of Solutions Are Used To Help Keep Data Safe From Security Threats

Automated And Emerging Technologies: Automated Systems: Describe How Sensors, Microprocessors And Actuators Can Be Used In Collaboration To Create Automated Systems

Automated And Emerging Technologies: Automated Systems: Describe The Advantages And Disadvantages Of An Automated System Used For A Given Scenario

Automated And Emerging Technologies: Robotics: Understand What Is Meant By Robotics

Automated And Emerging Technologies: Robotics: Describe The Characteristics Of A Robot

Automated And Emerging Technologies: Robotics: Understand The Roles That Robots Can Perform And Describe The Advantages And Disadvantages Of Their Use

Automated And Emerging Technologies: Artificial Intelligence: Understand What Is Meant By Artificial Intelligence (Ai)

Automated And Emerging Technologies: Artificial Intelligence: Describe The Main Characteristics Of Ai As The Collection Of Data And The Rules For Using That Data, The Ability To Reason, And It Can Include The Ability To Learn And Adapt

Automated And Emerging Technologies: Artificial Intelligence: Explain The Basic Operation And Components Of Ai Systems To Simulate Intelligent Behaviour

Algorithm Design And Problem-solving: Understand The Program Development Life Cycle, Limited To: Analysis, Design, Coding And Testing

Algorithm Design And Problem-solving: Understand That Every Computer System Is Made Up Of Sub-systems, Which Are Made Up Of Further Sub-systems

Algorithm Design And Problem-solving: Understand How A Problem Can Be Decomposed Into Its Component Parts

Algorithm Design And Problem-solving: Use Different Methods To Design And Construct A Solution To A Problem

Algorithm Design And Problem-solving: Explain The Purpose Of A Given Algorithm

Algorithm Design And Problem-solving: Understand Standard Methods Of Solution

Algorithm Design And Problem-solving: Understand The Need For Validation Checks To Be Made On Input Data And The Different Types Of Validation Check

Algorithm Design And Problem-solving: Understand The Need For Verification Checks To Be Made On Input Data And The Different Types Of Verification Check

Algorithm Design And Problem-solving: Suggest And Apply Suitable Test Data

Algorithm Design And Problem-solving: Complete A Trace Table To Document A Dry-run Of An Algorithm

Algorithm Design And Problem-solving: Identify Errors In Given Algorithms And Suggest Ways Of Correcting These Errors

Algorithm Design And Problem-solving: Write And Amend Algorithms For Given Problems Or Scenarios, Using: Pseudocode, Program Code And Flowcharts

Programming: Programming Concepts: Declare And Use Variables And Constants

Programming: Programming Concepts: Understand And Use Basic Data Types

Programming: Programming Concepts: Understand And Use Input And Output

Programming: Programming Concepts: Understand And Use The Concept Of Sequence

Programming: Programming Concepts: Understand And Use The Concept Of Selection

Programming: Programming Concepts: Understand And Use The Concept Of Iteration

Programming: Programming Concepts: Understand And Use The Concepts Of Totalling And Counting

Programming: Programming Concepts: Understand And Use The Concept Of String Handling

Programming: Programming Concepts: Understand And Use Arithmetic, Relational And Logical Operators

Programming: Programming Concepts: Understand And Use Nested Statements

Programming: Programming Concepts: Understand What Is Meant By Procedures, Functions And Parameters

Programming: Programming Concepts: Define And Use Procedures And Functions, With Or Without Parameters

Programming: Programming Concepts: Understand And Use Local And Global Variables 7 Understand And Use Library Routines

Programming: Programming Concepts: Understand How To Create A Maintainable Program

Programming: Arrays: Declare And Use One-dimensional (1d) And Two-dimensional (2d) Arrays

Programming: Arrays: Understand The Use Of Arrays

Programming: Arrays: Write Values Into, And Read Values From, An Array Using Iteration

Programming: File Handling: Understand The Purpose Of Storing Data In A File To Be Used By A Program

Programming: File Handling: Open, Close And Use A File For Reading And Writing

Databases: Define A Single-table Database From Given Data Storage Requirements

Databases: Suggest Suitable Basic Data Types

Databases: Understand The Purpose Of A Primary Key And Identify A Suitable Primary Key For A Given Database Table

Databases: Read, Understand And Complete Structured Query Language (Sql) Scripts To Query Data Stored In A Single Database Table

Boolean Logic: Identify And Use The Standard Symbols For Logic Gates

Boolean Logic: Define And Understand The Functions Of Logic Gates

Boolean Logic: Use Logic Gates To Create Given Logic Circuits From A: Problem Statement

Boolean Logic: Use Logic Gates To Create Given Logic Circuits From A: Logic Expression

Boolean Logic: Use Logic Gates To Create Given Logic Circuits From A: Truth Table

Boolean Logic: Complete A Truth Table From A: Problem Statement

Boolean Logic: Complete A Truth Table From A: Logic Expression

Boolean Logic: Complete A Truth Table From A: Logic Circuit

Boolean Logic: Write A Logic Expression From A: Problem Statement

Boolean Logic: Write A Logic Expression From A: Logic Circuit

Boolean Logic: Write A Logic Expression From A: Truth Table

Number Systems

Text, Sound And Images

Data Storage And Compression

Types And Methods of Data Transmission

Methods of Error Detection

Encryption

Computer Architecture

Input And Output Devices

Data Storage

Network Hardware

Types of Software And Interrupts

Types of Programming Language, Translators And Integrated Development Environments (IDEs)

The Internet And The World Wide Web

Digital Currency

Cyber Security

Automated Systems

Robotics

Artificial Intelligence

Algorithm Design And Probem-Solving

Programming Concepts

Arrays

File Handling

Databases

Boolean Logic

Number Systems

Text, Sound And Images

Data Storage And Compression

Types And Methods of Data Transmission

Methods of Error Detection

Encryption

Computer Architecture

Data Storage

Network Hardware

Types of Software And Interrupts

Types of Programming Language, Translators And Integrated Development Environments (IDEs)

Digital Currency

Cyber Security

Automated Systems

Robotics

Artificial Intelligence

Algorithm Design And Problem-Solving

Programming Concepts

Arrays

File Handling

Databases

Boolean Logic

Quizzes For Preparation: Number Systems

Quizzes For Preparation: Text, Sound And Images

Quizzes For Preparation: Data Storage And Compression

Quizzes For Preparation: Types And Methods of Data Transmission

Quizzes For Preparation: Methods of Error Detection

Quizzes For Preparation: Encryption

Quizzes For Preparation: Computer Architecture

Quizzes For Preparation: Data Storage

Quizzes For Preparation: Network Hardware

Quizzes For Preparation: Types of Software And Interrupts

Quizzes For Preparation: Types of Programming Language, Translators And Integrated Development Environments (IDEs)

Quizzes For Preparation: Digital Currency

Quizzes For Preparation: Cyber Security

Quizzes For Preparation: Automated Systems

Quizzes For Preparation: Robotics

Quizzes For Preparation: Artificial Intelligence

Quizzes For Preparation: Algorithm Design And Problem-Solving

Quizzes For Preparation: Programming Concepts

Quizzes For Preparation: File Handling

Quizzes For Preparation: Arrays

Quizzes For Preparation: Databases

Quizzes For Preparation: Boolean Logic

Number Systems

Text, Sound And Images

Data Storage And Compression

Types And Methods of Data Transmission

Methods of Error Detection

Enryptio

Computer Architecture

Input And Output Devices

Data Storage

Network Hardware

Types of Software And Interrupts

Types of Programming Language, Translators And Integrated Development Environments (IDEs)

The Internet And The World Wide Web

Digital Currency

Cyber Security

Automated Systems

Robotics

Artificial Intelligence

Algorithm Design And Problem-Solving

Programming Concepts

Arrays

File Handling

Databases

Boolean Logic

Paper Structure & Assessment Understanding: Understanding The Full Cambridge 2210 Assessment Structure (Paper 1 vs Paper 2)

Paper Structure & Assessment Understanding: Mark Distribution And Time Allocation Strategy For 1 Hour 45 Minutes Papers

Paper Structure & Assessment Understanding: AO1, AO2, AO3 Breakdown And How Marks Are Actually Awarded

Paper Structure & Assessment Understanding: Why Both Papers Are 50% And How That Changes Revision Priority

Paper Structure & Assessment Understanding: Understanding “Structured Questions” Vs “Scenario-Based Questions”

Paper Structure & Assessment Understanding: Why Calculators Are Not Allowed And How To Adapt Numerically

Paper Structure & Assessment Understanding: Command Words Decoded: State, Describe, Explain, Compare, Evaluate

Paper Structure & Assessment Understanding: How Cambridge Uses Progressive Marking In Long Answers

Paper Structure & Assessment Understanding: Understanding “Max Marks” And When Over-Answering Loses Time

Paper Structure & Assessment Understanding: How Examiner Reports Reveal Repeated Student Weaknesses

Paper 1 (Computer Systems) – Strategy & Pitfalls: Paper 1 Question Flow Pattern (Short → Medium → Structured)

Paper 1 (Computer Systems) – Strategy & Pitfalls: How Definitions Are Marked Word-By-Word In Theory Questions

Paper 1 (Computer Systems) – Strategy & Pitfalls: Data Representation Questions: How Marks Are Lost Despite Correct Answers

Paper 1 (Computer Systems) – Strategy & Pitfalls: Binary, Hex, Overflow And Shift Errors Examiners Penalise Heavily

Paper 1 (Computer Systems) – Strategy & Pitfalls: Image, Sound And File Size Calculations: Presentation Matters

Paper 1 (Computer Systems) – Strategy & Pitfalls: Packet Structure And Transmission Questions: Diagram Interpretation Errors

Paper 1 (Computer Systems) – Strategy & Pitfalls: Error Detection Questions: Why Students Mix Up Parity, Checksum And ARQ

Paper 1 (Computer Systems) – Strategy & Pitfalls: CPU Architecture Diagrams: Label Placement And Terminology Precision

Paper 1 (Computer Systems) – Strategy & Pitfalls: FDE Cycle Answers That Get 2/5 Instead Of Full Marks — Why?

Paper 1 (Computer Systems) – Strategy & Pitfalls:

Paper 1 (Computer Systems) – Strategy & Pitfalls: Cyber Security Questions: Listing Vs Explaining Threats Properly

Paper 1 (Computer Systems) – Strategy & Pitfalls: Emerging Technologies Questions: Over-Generalised Answers Problem

Paper 1 (Computer Systems) – Strategy & Pitfalls: Writing Advantages/Disadvantages Without Repeating Points

Paper 1 (Computer Systems) – Strategy & Pitfalls: When Examples Are Mandatory And When They Waste Time

Paper 1 (Computer Systems) – Strategy & Pitfalls: Paper 1 Time-Management: Preventing Rushed Final Questions

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Paper 2 Question Pattern: Dry Runs → Code → Logic → Databases → Scenario

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Pseudocode Syntax That Cambridge Accepts Vs Rejects

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Variable Declaration Errors That Instantly Lose Marks

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Loop Boundary Errors (FOR, WHILE, REPEAT-UNTIL) Examiners Catch

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Array Indexing Mistakes And Off-By-One Errors

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Tracing Tables: How Marks Are Awarded Step-By-Step

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Selection Logic Errors In IF / ELSE / Nested Conditions

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Common Input/Output Statement Confusions

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Why Students Lose Marks In “Correct The Algorithm” Questions

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Procedure And Parameter Passing Errors

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Test Data Questions: Normal, Boundary, Abnormal — Examiner Expectations

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Validation Vs Verification — Why They Are Constantly Mixed Up

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Boolean Logic Questions: Truth Tables And Gate Interpretation Errors

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Logic Gate Diagrams: Reading Inputs Vs Outputs Correctly

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Database Questions: Field Names, Data Types And SQL Syntax Errors

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: SQL SELECT Statement Formatting That Loses Easy Marks

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Scenario-Based Question Strategy (15-Mark Algorithm Questions)

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: How AO2 And AO3 Marks Are Split Inside Large Programming Questions

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: When Flowcharts Are Better Than Pseudocode — And When Not

Paper 2 (Algorithms, Programming & Logic) – Strategy & Pitfalls: Over-Engineering Algorithms: Why “Too Advanced” Answers Lose Marks

Final Exam Technique & Psychological Strategy: How To Read Questions To Avoid “Not Answered The Question” Penalty

Final Exam Technique & Psychological Strategy: When To Leave Space And Move On (Smart Skipping Strategy)

Final Exam Technique & Psychological Strategy: Neatness, Layout And Column Alignment — Hidden Mark Loss Areas

Final Exam Technique & Psychological Strategy: Using Examiner Language To Match Mark Schemes Precisely

Final Exam Technique & Psychological Strategy: Last-15-Minutes Strategy To Secure Easy Marks And Avoid Panic Errors

May June 2020 Paper 11

May June 2020 Paper 12

May June 2020 Paper 21

May June 2020 Paper 22

October November 2020 Paper 12

October November 2020 Paper 13

October November 2020 Paper 22

October November 2020 Paper 23

May June 2021 Paper 11

May June 2021 Paper 12

May June 2021 Paper 21

May June 2021 Paper 22

October November 2021 Paper 12

October November 2021 Paper 13

October November 2021 Paper 22

October November 2021 Paper 23

May June 2022 Paper 11

May June 2022 Paper 12

May June 2022 Paper 21

May June 2022 Paper 22

October November 2022 Paper 12

October November 2022 Paper 13

October November 2022 Paper 22

October November 2022 Paper 23

May June 2023 Paper 11

May June 2023 Paper 12

May June 2023 Paper 21

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October November 2023 Paper 12

October November 2023 Paper 13

October November 2023 Paper 22

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May June 2024 Paper 11

May June 2024 Paper 12

May June 2024 Paper 21

May June 2024 Paper 22

October November 2024 Paper 12

October November 2024 Paper 13

October November 2024 Paper 22

October November 2024 Paper 23

May June 2025 Paper 11

May June 2025 Paper 12

May June 2025 Paper 21

May June 2025 Paper 22

October November 2025 Paper 12

October November 2025 Paper 13

October November 2025 Paper 22

October November 2025 Paper 23

May June 2020 Paper 11

May June 2020 Paper 12

May June 2020 Paper 21

May June 2020 Paper 22

October November 2020 Paper 12

October November 2020 Paper 13

October November 2020 Paper 22

October November 2020 Paper 23

May June 2021 Paper 11

May June 2021 Paper 12

May June 2021 Paper 21

May June 2021 Paper 22

October November 2021 Paper 12

October November 2021 Paper 13

October November 2021 Paper 22

October November 2021 Paper 22

October November 2021 Paper 23

May June 2022 Paper 11

May June 2022 Paper 12

May June 2022 Paper 21

May June 2022 Paper 22

October November 2022 Paper 12

October November 2022 Paper 13

October November 2022 Paper 22

October November 2022 Paper 23

May June 2023 Paper 11

May June 2023 Paper 12

May June 2023 Paper 21

May June 2023 Paper 22

October November 2023 Paper 12

October November 2023 Paper 13

October November 2023 Paper 22

October November 2023 Paper 23

May June 2024 Paper 11

May June 2024 Paper 12

May June 2024 Paper 21

May June 2024 Paper 22

October November 2024 Paper 12

October November 2024 Paper 13

October November 2024 Paper 22

October November 2024 Paper 23

May June 2025 Paper 11

May June 2025 Paper 12

May June 2025 Paper 21

May June 2025 Paper 22

October November 2025 Paper 12

October November 2025 Paper 13

October November 2025 Paper 22

October November 2025 Paper 23

Number Systems

Text, Sound and Images

Data Storage and File Compression

Types and Methods of Data Transmission

Methods of Error Detection

Symmetric and Asymmetric Encryption

Computer Architecture

Input and Output Devices

Data Storage

Network Hardware

Types of Software and Interrupts

Types of Programming Languages, Translators and Integrated Development Environments (IDEs)

The Internet and the World Wide Web (WWW)

Digital Currency

Cyber Security

Automated Systems

Robotics

Artificial Intelligence

Paper 1: Pseudocode

Paper 2: Flowchats

Paper 2: Databases

Paper 2: Logic Gates and Truth Table

Paper 1 Complete Video Covering Every Chapter In Detail

Paper 2 Video

Pre-Release Material Mastery: Understanding The Purpose Of Pre-Release Material In Paper 2

Pre-Release Material Mastery: How Cambridge Designs Pre-Release Tasks And Why They Look “Incomplete”

Pre-Release Material Mastery: Breaking Down The Pre-Release Problem Statement Line-By-Line

Pre-Release Material Mastery: Identifying Inputs, Processes And Outputs From Pre-Release Scenarios

Pre-Release Material Mastery: Converting Pre-Release Descriptions Into Algorithms

Pre-Release Material Mastery: Mapping Pre-Release Tasks To Likely Exam Questions

Pre-Release Material Mastery: How Pre-Release Material Influences Section B Questions

Pre-Release Material Mastery: Common Student Mistakes When Memorising Pre-Release Code

Pre-Release Material Mastery: Adapting Pre-Release Logic To Modified Exam Scenarios

Pre-Release Material Mastery: Time Allocation Strategy For Pre-Release Questions In The Exam

Pseudocode Core Structures (Cambridge Standard): Variable Declaration Rules And Data Types In Pseudocode

Pseudocode Core Structures (Cambridge Standard): Input And Output Statement Structures Examiners Expect

Pseudocode Core Structures (Cambridge Standard): Assignment Statements And Operator Precedence

Pseudocode Core Structures (Cambridge Standard): IF, ELSE, ELSE IF And Nested Selection Logic

Pseudocode Core Structures (Cambridge Standard): FOR Loops: Start, End, Step And Boundary Control

Pseudocode Core Structures (Cambridge Standard): WHILE Loops And Condition Placement Errors

Pseudocode Core Structures (Cambridge Standard): FOR Loops: Start, End, Step And Boundary Control

Pseudocode Core Structures (Cambridge Standard): WHILE Loops And Condition Placement Errors

Pseudocode Core Structures (Cambridge Standard): REPEAT UNTIL Loops And Logical Reversal Traps

Pseudocode Core Structures (Cambridge Standard): Combining Selection And Iteration Correctly

Pseudocode Core Structures (Cambridge Standard): Procedure Definition, Calls And Parameter Passing

Pseudocode Core Structures (Cambridge Standard): Function Return Values And Common Syntax Errors

Arrays, Records & Data Handling: One-Dimensional Array Declaration And Indexing

Arrays, Records & Data Handling: Two-Dimensional Arrays: Row–Column Logic

Arrays, Records & Data Handling: Traversing Arrays Using Loops

Arrays, Records & Data Handling: Searching Algorithms In Arrays (Linear Search Logic)

Arrays, Records & Data Handling: Counting, Totalling And Finding Maximum/Minimum Values

Arrays, Records & Data Handling: Common Off-By-One Errors In Array Indexes

Arrays, Records & Data Handling: Updating Array Values Based On Conditions

Arrays, Records & Data Handling: Using Temporary Variables Correctly

Arrays, Records & Data Handling: Initialising Arrays And Default Value Errors

Arrays, Records & Data Handling: Tracing Arrays Step-By-Step In Dry Runs

Dry Runs, Tracing & Logic Control: Creating Accurate Tracing Tables Under Exam Conditions

Dry Runs, Tracing & Logic Control: Following Variable Changes Line-By-Line

Dry Runs, Tracing & Logic Control: Handling Nested Loops During Dry Runs

Dry Runs, Tracing & Logic Control: Detecting Infinite Loops In Given Code

Dry Runs, Tracing & Logic Control: Predicting Output Questions And Mark Allocation

Dry Runs, Tracing & Logic Control: Partial Credit Strategy In Tracing Questions

Dry Runs, Tracing & Logic Control: How Cambridge Awards Marks In Step-Based Logic Questions

Boolean Logic & Decision Control: Boolean Operators (AND, OR, NOT) In Conditions

Boolean Logic & Decision Control: Compound Conditions And Bracket Priority

Boolean Logic & Decision Control: Truth Tables And Output Interpretation

Boolean Logic & Decision Control: Logic Gate Questions Connected To Code Conditions

Boolean Logic & Decision Control: Common Logic Reversal Mistakes

Boolean Logic & Decision Control: Simplifying Logic Without Losing Marks

Code Sheets, Exam Technique & Mistakes: Writing Pseudocode That Matches Mark Scheme Language

Code Sheets, Exam Technique & Mistakes: When Flowcharts Are Acceptable And When They Are Risky

Code Sheets, Exam Technique & Mistakes: Writing “Exam-Safe” Code (Readable, Simple, Mark-Friendly)

Code Sheets, Exam Technique & Mistakes:Avoiding Over-Programming And Unsupported Constructs

Code Sheets, Exam Technique & Mistakes: Common Examiner-Reported Mistakes In Paper 2

Code Sheets, Exam Technique & Mistakes: Final Paper 2 Checklist: Syntax, Logic, Structure And Time Control

Data Representation: Number Systems: Understand How And Why Computers Use Binary To Represent All Forms Of Data

Data Representation: Number Systems: Understand The Denary, Binary And Hexadecimal Number Systems

Data Representation: Number Systems: Convert Between: Positive Denary And Positive Binary

Data Representation: Number Systems: Convert Between: Positive Denary And Positive Hexadecimal

Data Representation: Number Systems: Convert Between: Positive Hexadecimal And Positive Binary

Data Representation: Number Systems: Understand How And Why Hexadecimal Is Used As A Beneficial Method Of Data Representation

Data Representation: Number Systems: Add Two Positive 8-bit Binary Integers

Data Representation: Number Systems: Understand The Concept Of Overflow And Why It Occurs In Binary Addition

Data Representation: Number Systems: Perform A Logical Binary Shift On A Positive 8-bit Binary Integer And Understand The Effect This Has On The Positive Binary Integer

Data Representation: Number Systems: Use The Two’s Complement Number System To Represent Positive And Negative 8-bit Binary Integers

Data Representation: Text, Sound And Images: Understand How And Why A Computer Represents Text And The Use Of Character Sets, Including American Standard Code For Information Interchange (Ascii) And Unicode

Data Representation: Text, Sound And Images: Understand How And Why A Computer Represents Sound, Including The Effects Of The Sample Rate And Sample Resolution

Data Representation: Text, Sound And Images: Understand How And Why A Computer Represents An Image, Including The Effects Of The Resolution And Colour Depth

Data Representation: Data Storage And Compression: Understand How Data Storage Is Measured

Data Representation: Data Storage And Compression: Calculate The File Size Of An Image File And A Sound File, Using Information Given

Data Representation: Data Storage And Compression: Understand The Purpose Of And Need For Data Compression

Data Representation: Data Storage And Compression: Understand How Files Are Compressed Using Lossy And Lossless Compression Methods

Data Transmission: Types And Methods Of Data Transmission: Understand That Data Is Broken Down Into Packets To Be Transmitted

Data Transmission: Types And Methods Of Data Transmission: Describe The Structure Of A Packet

Data Transmission: Types And Methods Of Data Transmission: Describe The Process Of Packet Switching

Data Transmission: Types And Methods Of Data Transmission: Describe How Data Is Transmitted From One Device To Another Using Different Methods Of Data Transmission

Data Transmission: Types And Methods Of Data Transmission: Explain The Suitability Of Each Method Of Data Transmission, For A Given Scenario

Data Transmission: Types And Methods Of Data Transmission: Understand The Universal Serial Bus (Usb) Interface And Explain How It Is Used To Transmit Data

Data Transmission: Methods Of Error Detection: Understand The Need To Check For Errors After Data Transmission And How These Errors Can Occur

Data Transmission: Methods Of Error Detection: Describe The Processes Involved In Each Of The Following Error Detection Methods For Detecting Errors In Data After Transmission: Parity Check (Odd And Even), Checksum And Echo Check

Data Transmission: Methods Of Error Detection: Describe How A Check Digit Is Used To Detect Errors In Data Entry And Identify Examples Of When A Check Digit Is Used, Including International Standard Book Numbers (Isbn) And Bar Codes

Data Transmission: Methods Of Error Detection: Describe How An Automatic Repeat Query (Arq) Can Be Used To Establish That Data Is Received Without Error

Data Transmission: Encryption: Understand The Need For And Purpose Of Encryption When Transmitting Data

Data Transmission: Encryption: Understand How Data Is Encrypted Using Symmetric And Asymmetric Encryption

Hardware: Computer Architecture: Understand The Role Of The Central Processing Unit (Cpu) In A Computer

Hardware: Computer Architecture: Understand What Is Meant By A Microprocessor

Hardware: Computer Architecture: Understand The Purpose Of The Components In A Cpu, In A Computer That Has A Von Neumann Architecture

Hardware: Computer Architecture: Describe The Process Of The Fetch–decode–execute (Fde) Cycle, Including The Role Of Each Component In The Process

Hardware: Computer Architecture: Understand What Is Meant By A Core, Cache And Clock In A Cpu And Explain How They Can Affect The Performance Of A Cpu

Hardware: Computer Architecture: Understand The Purpose And Use Of An Instruction Set For A Cpu

Hardware: Computer Architecture: Describe The Purpose And Characteristics Of An Embedded System And Identify Devices In Which They Are Commonly Used

Hardware: Input And Output Devices: Understand What Is Meant By An Input Device And Why It Is Required

Hardware: Input And Output Devices: Understand What Is Meant By An Output Device And Why It Is Required

Hardware: Input And Output Devices: Understand What Is Meant By A Sensor And The Purposes Of Sensors

Hardware: Input And Output Devices: Identify The Type Of Data Captured By Each Sensor And Understand When Each Sensor Would Be Used, Including Selecting The Most Suitable Sensor For A Given Context

Hardware: Data Storage: Understand What Is Meant By Primary Storage

Hardware: Data Storage: Understand What Is Meant By Secondary Storage

Hardware: Data Storage: Describe The Operation Of Magnetic, Optical And Solid-state (Flash Memory) Storage And Give Examples Of Each

Hardware: Data Storage: Describe What Is Meant By Virtual Memory, How It Is Created And Used And Why It Is Necessary

Hardware: Data Storage: Understand What Is Meant By Cloud Storage

Hardware: Data Storage: Explain The Advantages And Disadvantages Of Storing Data On The Cloud In Comparison To Storing It Locally

Hardware: Network Hardware: Understand That A Computer Needs A Network Interface Card (Nic) To Access A Network

Hardware: Network Hardware: Understand What Is Meant By, And The Purpose Of, A Media Access Control (Mac) Address, Including Its Structure

Hardware: Network Hardware: Understand What Is Meant By, And The Purpose Of, An Internet Protocol (Ip) Address

Hardware: Network Hardware: Understand That There Are Different Types Of Ip Address

Hardware: Network Hardware: Describe The Role Of A Router In A Network

Software: Types Of Software And Interrupts: Describe The Difference Between System Software And Application Software And Provide Examples Of Each

Software: Types Of Software And Interrupts: Describe The Role And Basic Functions Of An Operating System

Software: Types Of Software And Interrupts: Understand How Hardware, Firmware And An Operating System Are Required To Run Applications Software

Software: Types Of Software And Interrupts: Describe The Role And Operation Of Interrupts

Software: Types Of Programming Language, Translators And Integrated Development Environments (Ides): Explain What Is Meant By A High-level Language And A Low-level Language, Including The Advantages And Disadvantages Of Each

Software: Types Of Programming Language, Translators And Integrated Development Environments (Ides): Understand That Assembly Language Is A Form Of Low-level Language That Uses Mnemonics, And That An Assembler Is Needed To Translate An Assembly Language Program Into Machine Code

Software: Types Of Programming Language, Translators And Integrated Development Environments (Ides): Describe The Operation Of A Compiler And An Interpreter, Including How High-level Language Is Translated By Each And How Errors Are Reported

Software: Types Of Programming Language, Translators And Integrated Development Environments (Ides): Explain The Advantages And Disadvantages Of A Compiler And An Interpreter

Software: Types Of Programming Language, Translators And Integrated Development Environments (Ides): Explain The Role Of An Ide In Writing Program Code And The Common Functions Ides Provide

The Internet And Its Uses: The Internet And The World Wide Web: Understand The Difference Between The Internet And The World Wide Web

The Internet And Its Uses: The Internet And The World Wide Web: Understand What Is Meant By A Uniform Resource Locator (Url)

The Internet And Its Uses: The Internet And The World Wide Web: Describe The Purpose And Operation Of Hypertext Transfer Protocol (Http) And Hypertext Transfer Protocol Secure (Https)

The Internet And Its Uses: The Internet And The World Wide Web: Explain The Purpose And Functions Of A Web Browser

The Internet And Its Uses: The Internet And The World Wide Web: Describe How Web Pages Are Located, Retrieved And Displayed On A Device When A User Enters A Url

The Internet And Its Uses: The Internet And The World Wide Web: Explain What Is Meant By Cookies And How They Are Used, Including Session Cookies And Persistent Cookies

The Internet And Its Uses: Digital Currency: Understand The Concept Of A Digital Currency And How Digital Currencies Are Used

The Internet And Its Uses: Digital Currency: Understand The Process Of Blockchain And How It Is Used To Track Digital Currency Transactions

The Internet And Its Uses: Cyber Security: Describe The Processes Involved In, And The Aim Of Carrying Out, A Range Of Cyber Security Threats

The Internet And Its Uses: Cyber Security: Explain How A Range Of Solutions Are Used To Help Keep Data Safe From Security Threats

Automated And Emerging Technologies: Automated Systems: Describe How Sensors, Microprocessors And Actuators Can Be Used In Collaboration To Create Automated Systems

Automated And Emerging Technologies: Automated Systems: Describe The Advantages And Disadvantages Of An Automated System Used For A Given Scenario

Automated And Emerging Technologies: Robotics: Understand What Is Meant By Robotics

Automated And Emerging Technologies: Robotics: Describe The Characteristics Of A Robot

Automated And Emerging Technologies: Robotics: Understand The Roles That Robots Can Perform And Describe The Advantages And Disadvantages Of Their Use

Automated And Emerging Technologies: Artificial Intelligence: Understand What Is Meant By Artificial Intelligence (Ai)

Automated And Emerging Technologies: Artificial Intelligence: Describe The Main Characteristics Of Ai As The Collection Of Data And The Rules For Using That Data, The Ability To Reason, And It Can Include The Ability To Learn And Adapt

Automated And Emerging Technologies: Artificial Intelligence: Explain The Basic Operation And Components Of Ai Systems To Simulate Intelligent Behaviour

Algorithm Design And Problem-solving: Understand The Program Development Life Cycle, Limited To: Analysis, Design, Coding And Testing

Algorithm Design And Problem-solving: Understand That Every Computer System Is Made Up Of Sub-systems, Which Are Made Up Of Further Sub-systems

Algorithm Design And Problem-solving: Understand How A Problem Can Be Decomposed Into Its Component Parts

Algorithm Design And Problem-solving: Use Different Methods To Design And Construct A Solution To A Problem

Algorithm Design And Problem-solving: Explain The Purpose Of A Given Algorithm

Algorithm Design And Problem-solving: Understand Standard Methods Of Solution

Algorithm Design And Problem-solving: Understand The Need For Validation Checks To Be Made On Input Data And The Different Types Of Validation Check

Algorithm Design And Problem-solving: Understand The Need For Verification Checks To Be Made On Input Data And The Different Types Of Verification Check

Algorithm Design And Problem-solving: Suggest And Apply Suitable Test Data

Algorithm Design And Problem-solving: Complete A Trace Table To Document A Dry-run Of An Algorithm

Algorithm Design And Problem-solving: Identify Errors In Given Algorithms And Suggest Ways Of Correcting These Errors

Algorithm Design And Problem-solving: Write And Amend Algorithms For Given Problems Or Scenarios, Using: Pseudocode, Program Code And Flowcharts

Programming: Programming Concepts: Declare And Use Variables And Constants

Programming: Programming Concepts: Understand And Use Basic Data Types

Programming: Programming Concepts: Understand And Use Input And Output

Programming: Programming Concepts: Understand And Use The Concept Of Sequence

Programming: Programming Concepts: Understand And Use The Concept Of Selection

Programming: Programming Concepts: Understand And Use The Concept Of Iteration

Programming: Programming Concepts: Understand And Use The Concepts Of Totalling And Counting

Programming: Programming Concepts: Understand And Use The Concept Of String Handling

Programming: Programming Concepts: Understand And Use Arithmetic, Relational And Logical Operators

Programming: Programming Concepts: Understand And Use Nested Statements

Programming: Programming Concepts: Understand What Is Meant By Procedures, Functions And Parameters

Programming: Programming Concepts: Define And Use Procedures And Functions, With Or Without Parameters

Programming: Programming Concepts: Understand And Use Local And Global Variables 7 Understand And Use Library Routines

Programming: Programming Concepts: Understand How To Create A Maintainable Program

Programming: Arrays: Declare And Use One-dimensional (1d) And Two-dimensional (2d) Arrays

Programming: Arrays: Understand The Use Of Arrays

Programming: Arrays: Write Values Into, And Read Values From, An Array Using Iteration

Programming: File Handling: Understand The Purpose Of Storing Data In A File To Be Used By A Program

Programming: File Handling: Open, Close And Use A File For Reading And Writing

Databases: Define A Single-table Database From Given Data Storage Requirements

Databases: Suggest Suitable Basic Data Types

Databases: Understand The Purpose Of A Primary Key And Identify A Suitable Primary Key For A Given Database Table

Databases: Read, Understand And Complete Structured Query Language (Sql) Scripts To Query Data Stored In A Single Database Table

Boolean Logic: Identify And Use The Standard Symbols For Logic Gates

Boolean Logic: Define And Understand The Functions Of Logic Gates

Boolean Logic: Use Logic Gates To Create Given Logic Circuits From A: Problem Statement

Boolean Logic: Use Logic Gates To Create Given Logic Circuits From A: Logic Expression

Boolean Logic: Use Logic Gates To Create Given Logic Circuits From A: Truth Table

Boolean Logic: Complete A Truth Table From A: Problem Statement

Boolean Logic: Complete A Truth Table From A: Logic Expression

Boolean Logic: Complete A Truth Table From A: Logic Circuit

Boolean Logic: Write A Logic Expression From A: Problem Statement

Boolean Logic: Write A Logic Expression From A: Problem Statement

Boolean Logic: Write A Logic Expression From A: Logic Circuit

Boolean Logic: Write A Logic Expression From A: Truth Table

Pseudocode Part 1

Pseudocode Part 2

Pseudocode Part 3

Pseudocode Part 4

Practice Questions: Data Representation: Number Systems: Understand How And Why Computers Use Binary To Represent All Forms Of Data

Practice Questions: Data Representation: Number Systems: Understand The Denary, Binary And Hexadecimal Number Systems

Practice Questions: Data Representation: Number Systems: Convert Between: Positive Denary And Positive Binary

Practice Questions: Data Representation: Number Systems: Convert Between: Positive Denary And Positive Hexadecimal

Practice Questions: Data Representation: Number Systems: Convert Between: Positive Hexadecimal And Positive Binary

Practice Questions: Data Representation: Number Systems: Understand How And Why Hexadecimal Is Used As A Beneficial Method Of Data Representation

Practice Questions: Data Representation: Number Systems: Add Two Positive 8-bit Binary Integers

Practice Questions: Data Representation: Number Systems: Understand The Concept Of Overflow And Why It Occurs In Binary Addition

Practice Questions: Data Representation: Number Systems: Perform A Logical Binary Shift On A Positive 8-bit Binary Integer And Understand The Effect This Has On The Positive Binary Integer

Practice Questions: Data Representation: Number Systems: Use The Two’s Complement Number System To Represent Positive And Negative 8-bit Binary Integers

Practice Questions: Data Representation: Text, Sound And Images: Understand How And Why A Computer Represents Text And The Use Of Character Sets, Including American Standard Code For Information Interchange (Ascii) And Unicode

Practice Questions: Data Representation: Text, Sound And Images: Understand How And Why A Computer Represents Sound, Including The Effects Of The Sample Rate And Sample Resolution

Practice Questions: Data Representation: Text, Sound And Images: Understand How And Why A Computer Represents An Image, Including The Effects Of The Resolution And Colour Depth

Practice Questions: Data Representation: Data Storage And Compression: Understand How Data Storage Is Measured

Practice Questions: Data Representation: Data Storage And Compression: Calculate The File Size Of An Image File And A Sound File, Using Information Given

Practice Questions: Data Representation: Data Storage And Compression: Understand The Purpose Of And Need For Data Compression

Practice Questions: Data Representation: Data Storage And Compression: Understand How Files Are Compressed Using Lossy And Lossless Compression Methods

Practice Questions: Data Transmission: Types And Methods Of Data Transmission: Understand That Data Is Broken Down Into Packets To Be Transmitted

Practice Questions: Data Transmission: Types And Methods Of Data Transmission: Describe The Structure Of A Packet

Practice Questions: Data Transmission: Types And Methods Of Data Transmission: Describe The Process Of Packet Switching

Practice Questions: Data Transmission: Types And Methods Of Data Transmission: Describe How Data Is Transmitted From One Device To Another Using Different Methods Of Data Transmission

Practice Questions: Data Transmission: Types And Methods Of Data Transmission: Explain The Suitability Of Each Method Of Data Transmission, For A Given Scenario

Practice Questions: Data Transmission: Types And Methods Of Data Transmission: Understand The Universal Serial Bus (Usb) Interface And Explain How It Is Used To Transmit Data

Practice Questions: Data Transmission: Methods Of Error Detection: Understand The Need To Check For Errors After Data Transmission And How These Errors Can Occur

Practice Questions: Data Transmission: Methods Of Error Detection: Describe The Processes Involved In Each Of The Following Error Detection Methods For Detecting Errors In Data After Transmission: Parity Check (Odd And Even), Checksum And Echo Check

Practice Questions: Data Transmission: Methods Of Error Detection: Describe How A Check Digit Is Used To Detect Errors In Data Entry And Identify Examples Of When A Check Digit Is Used, Including International Standard Book Numbers (Isbn) And Bar Codes

Practice Questions: Data Transmission: Methods Of Error Detection: Describe How An Automatic Repeat Query (Arq) Can Be Used To Establish That Data Is Received Without Error

Practice Questions: Data Transmission: Encryption: Understand The Need For And Purpose Of Encryption When Transmitting Data

Practice Questions: Data Transmission: Encryption: Understand How Data Is Encrypted Using Symmetric And Asymmetric Encryption

Practice Questions: Hardware: Computer Architecture: Understand The Role Of The Central Processing Unit (Cpu) In A Computer

Practice Questions: Hardware: Computer Architecture: Understand What Is Meant By A Microprocessor

Practice Questions: Hardware: Computer Architecture: Understand The Purpose Of The Components In A Cpu, In A Computer That Has A Von Neumann Architecture

Practice Questions: Hardware: Computer Architecture: Describe The Process Of The Fetch–decode–execute (Fde) Cycle, Including The Role Of Each Component In The Process

Practice Questions: Hardware: Computer Architecture: Understand What Is Meant By A Core, Cache And Clock In A Cpu And Explain How They Can Affect The Performance Of A Cpu

Practice Questions: Hardware: Computer Architecture: Understand The Purpose And Use Of An Instruction Set For A Cpu

Practice Questions: Hardware: Computer Architecture: Describe The Purpose And Characteristics Of An Embedded System And Identify Devices In Which They Are Commonly Used

Practice Questions: Hardware: Input And Output Devices: Understand What Is Meant By An Input Device And Why It Is Required

Practice Questions: Hardware: Input And Output Devices: Understand What Is Meant By An Output Device And Why It Is Required

Practice Questions: Hardware: Input And Output Devices: Understand What Is Meant By A Sensor And The Purposes Of Sensors

Practice Questions: Hardware: Input And Output Devices: Identify The Type Of Data Captured By Each Sensor And Understand When Each Sensor Would Be Used, Including Selecting The Most Suitable Sensor For A Given Context

Practice Questions: Hardware: Data Storage: Understand What Is Meant By Primary Storage

Practice Questions: Hardware: Data Storage: Understand What Is Meant By Secondary Storage

Practice Questions: Hardware: Data Storage: Describe The Operation Of Magnetic, Optical And Solid-state (Flash Memory) Storage And Give Examples Of Each

Practice Questions: Hardware: Data Storage: Describe What Is Meant By Virtual Memory, How It Is Created And Used And Why It Is Necessary

Practice Questions: Hardware: Data Storage: Understand What Is Meant By Cloud Storage

Practice Questions: Hardware: Data Storage: Explain The Advantages And Disadvantages Of Storing Data On The Cloud In Comparison To Storing It Locally

Practice Questions: Hardware: Network Hardware: Understand That A Computer Needs A Network Interface Card (Nic) To Access A Network

Practice Questions: Hardware: Network Hardware: Understand What Is Meant By, And The Purpose Of, A Media Access Control (Mac) Address, Including Its Structure

Practice Questions: Hardware: Network Hardware: Understand What Is Meant By, And The Purpose Of, An Internet Protocol (Ip) Address

Practice Questions: Hardware: Network Hardware: Understand That There Are Different Types Of Ip Address

Practice Questions: Hardware: Network Hardware: Describe The Role Of A Router In A Network

Practice Questions: Software: Types Of Software And Interrupts: Describe The Difference Between System Software And Application Software And Provide Examples Of Each

Practice Questions: Software: Types Of Software And Interrupts: Describe The Role And Basic Functions Of An Operating System