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  • Exam boards
    • OCR past papers >
      • Paper1 (Sample)
    • 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
        • If Elif Else
        • Functions
        • For loop
        • While loop >
          • While loop challenges
        • Data structures >
          • Looping thru 2D array
        • String slicing/indexing
        • Subprograms
        • Local/global variable
        • Validation and try
        • methods
        • File I/O
        • Pseudocode
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      • Binary/Hex/Algorithms >
        • Binary
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        • Algorithms
        • ASCII
        • Tests
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        • AND gate
        • OR gate
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        • Logical statements
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        • Python >
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  • Self test
    • 01 Random topics
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    • Coding/Programming