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Revise edexcel gcse cs

WELCOME

Please use the links to access revision for various parts of the Edexcel GCSE in computer science. Remember that the GCSE assessment has 3 parts:

A paper 1 exam (1 hour 40 min)
​(weighting 40%)
A paper 2 exam (2 hours)
​(weighting 40%)
A controlled assessment (20 hours)
​(weighting 20%)

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​CURRICULUM

Click here to discover all the topics that are covered in the Edexcel computer science curriculum from Abstraction to XOR gates.
LEARN MORE
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PYTHON 3.4.1

Click here for help and guidance with using Python. Our tutorial cover everything from finding the free Python software online to using it to help solve an edexcel controlled assessment
Learn more
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HTML

Coming soon
Learn More
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SQL

Coming soon
Learn More
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LMC

Coming soon
Learn More

Take me to the official Edexcel Computer Science website


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  • Exam boards
    • OCR past papers >
      • Paper 1 J277 >
        • Paper1 (Sample) J277
        • Practice paper1 J277
      • Paper 2 J277 >
        • Paper 2 J277 Practice
    • Edexcel past papers >
      • 2020 Current spec (coming soon) >
        • Programming Language Subset (PLS)
      • Old 2016 SPEC >
        • Paper 1 (specimen1)
        • Paper 1 (specimen2)
        • Paper 1 (2018)
        • Paper 1 (2019)
        • Paper 2 (specimen1)
        • Paper 2 (2018)
        • Paper 2 (2019)
      • OLD 2013 SPEC >
        • Sample assessment 1 (old spec)
        • Sample assessment 2 (old spec)
        • June 2017 (old spec)
        • June 2016 (old spec)
        • June 2015 (old spec)
    • Paper 1 (by topic) >
      • Algorithms
      • Application software
      • Ascii
      • Binary
      • Cache
      • Client Server
      • Cloud
      • Compression
      • Computational thinking
      • CPU
      • Cyber security
      • Database
      • Fetch decode execute cycle
      • Embedded system
      • Encryption
      • File size
      • Flow chart
      • Hexadecimal
      • High Level language
      • ISP/Internet
      • Logic
      • Magnetic HDD
      • Networking
      • Open source
      • Operating system
      • Peer to peer
      • Images (Data representation)
      • Protocols
      • RAM
      • ROM
      • Run length encoding
      • Simulation software
      • Solid state HDD
      • Sound
      • Stored program concept
      • Utility software
    • Curriculum >
      • Binary
      • Hex
      • Data Representation
      • Compression
      • Encryption
      • What is a computer
      • How does a computer work
      • Hardware
      • Operating system
      • The CPU
      • Input devices
      • Data storage
      • Networks
      • Microcontrollers
      • Computational models
      • Emerging trends
      • Virtual machine
      • Models and simulators
      • Algorithms
    • Python >
      • Finding python
      • GCSE Python questions
      • Python coding >
        • Comments
        • Data types
        • Variables
        • If Else (Selection)
        • If Elif Else (Selection) >
          • Relational/Comparison Operator challenges
          • Selection challenges
        • Functions
        • For loop (iteration)
        • While loop (iteration) >
          • While loop challenges
        • Data structures >
          • Array challenges
          • 2D Array challenges
          • Looping thru 2D array
        • String slicing/indexing >
          • String slicing challenges
        • Subprograms >
          • Subprogram challenges
        • Local/global variable
        • Validation and try
        • methods
        • File I/O >
          • Files - Challenges
        • Pseudocode
        • Modules >
          • Turtle
        • Classes
        • NEA/Projects
  • KS3/Other
    • KS3 >
      • Coding >
        • GameMaker
        • HTML >
          • HTML tags
        • Scratch >
          • Scratch questions
        • Python >
          • Getting started
          • Functions
          • Variables
          • VariablesToo
          • inputs
          • Selection
          • Flowcharts
          • Data types
          • Pseudocode1
          • Pseudocode2
          • Subprogram1
          • Subprogram2
          • Coding challenges
      • Online Safety >
        • Screen time
        • Online Safety questions
      • IT >
        • Word
        • PowerPoint
      • Hardware >
        • All Hardware
        • Magnetic hard disk drive
        • Optical disk drive
        • Solid state drive
      • Logic >
        • CPU
        • AND gate
        • OR gate
        • NOT gate
        • Logical statements
      • Software
      • Binary/Hex/Algorithms >
        • Binary
        • Binary explained
        • Hexadecimal - 1 digit
        • Hexadecimal - 2 digits
        • Algorithms
        • ASCII
      • Networks
      • Protocols/Cyber attacks
    • BTEC CS
    • OCR A-Level >
      • 1.2 (Unit 2) >
        • Functions of an OS
        • Types of OS
        • Application generation
      • 1.2 (Unit 3) >
        • Software development
        • Algorithms
        • Programming paradigms
      • 1.3 (Unit 5) >
        • Networks
      • 1.5 (Unit 9) >
        • Laws and Acts
      • 2.3 (Unit 12) >
        • Analysis and design of algorithms
    • AQA AS-Level CS >
      • AS Curriculum >
        • Multiple choice questions
    • Business studies >
      • Keywords
      • BS Revision - Multiple choice
      • Paper 1 (9-1)
      • Paper 2 (9-1)
    • Junior Science >
      • 01 - Particles >
        • investigations and data
        • Equipment
        • Particles
      • 02 - Cells >
        • Microscope introduced
        • Looking at cells
        • Specialised cells
        • Unicellular organisms
      • 03 - Energy >
        • Energy introduced
        • Energy transfers
        • Conduction, Convection, Insulators
      • 04 - Chemical ideas & reactions >
        • Periodic table
        • Chemical reactions
        • Chemical reactions2
      • 05 - Light and Sound >
        • Light introduced
        • The Eye
        • Colours and filters
        • Waves and Sound
  • Contact/More
    • Code editor
    • Contact us
    • Microbit ideas
    • More
  • Self test
    • 01 Random topics
    • 02 Programming
    • 03 Data
    • 04 Computers
    • 05 Networks
    • 06 Legal/Ethics/Enviro'
    • Coding/Programming