Memory & StorageMedium Exam FrequencyOCR

Binary & Hex

Revise Binary & Hex in Memory & Storage for GCSE Computer Science with 15 exam-style questions and 22 flashcards. This topic appears regularly enough that it should be part of a solid GCSE revision cycle.

Sample Flashcards

Sample Questions

Which of the following correctly describes the hexadecimal number system?

  • A. Base 2, using digits 0 and 1
  • B. Base 8, using digits 0 to 7
  • C. Base 16, using digits 0-9 and letters A-F
  • D. Base 16, using digits 0-9 and letters A-G
1 markfoundation

Explain why hexadecimal is used instead of binary when programmers write memory addresses and colour codes. Give three reasons.

3 marksstandard

15

exam-style questions

22

revision flashcards

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