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List of articles in category Questions and answers
Title
Common units of storage questions
Common units of storage questions and answers
Data and computer systems questions
Data and computer systems questions and answers
Denary and binary converstion questions
Denary and binary converstion questions and answers
Addition of binary integers questions
Addition of binary integers questions and answers
Denary and hex conversion questions
Denary and hex conversion questions and answers
Converting between hex and binary questions
Converting between hex and binary questions and answers
The use of hex to represent binary questions
The use of hex to represent binary questions and answers
Binary code representation questions
Binary code representation questions and answers
Character sets questions - 1
Character sets questions and answers - 1
Character sets questions - 2
Character sets questions and answers - 2
Representing images questions
Representing images questions and answers
Metadata questions
Metadata questions and answers
Sound questions
Sound questions and answers
Image colour depth and resolution questions
Image colour depth and resolution questions and answers
Sound quality questions
Sound quality questions and answers
Common file standards questions
Common file standards questions and answers
Lossy and lossless compression questions
Lossy and lossless compression questions and answers
Transmitting files across the Internet questions
Transmitting files across the Internet questions and answers

OCR GCSE J277 (from Sept 2020)

  • 1.1 Systems architecture
  • 1.2 Memory
  • 1.3 Storage
  • 1.4 Wired & wireless networks
  • 1.5 Topologies, protocols & layers
  • 1.6 System security
  • 1.7 Systems software
  • 1.8 Ethical, legal, moral, cultural & environmental issues
  • 2.1 Algorithms
  • 2.2 Programming techniques
  • 2.3 Producing robust programs
  • 2.4 Computational logic
  • 2.5 Translation of languages
  • 2.6 Data representation
    • Notes
    • Questions and answers
    • Self-marking tests
    • End of section exams
  • End of unit on-screen tests
  • Exams

KS4 recommendations

The excellent Thonny Python IDE
Snakify - the best Python course?
Little Man Computer
Outstanding BASIC tutorials
BBC Bitesize Computing notes
Arduino resources
Raspberry Pi resources
Some useful notes
An excellent logic game
Code academy
An hour of code
Small Basic

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