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Number bases

Number bases

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Question 11

In computer science, different number bases are chosen for their specific advantages in data representation. Hexadecimal (base-16) is often used as a compact shorthand for binary (base-2) data.

Which option correctly states the exact number of bits represented by a single hexadecimal digit, and the hexadecimal representation of the denary (decimal) value 18110181_{10}18110​?

A

4 bits and B516\text{B5}_{16}B516​

B

4 bits and 5B165\text{B}_{16}5B16​

C

8 bits and B516\text{B5}_{16}B516​

D

4 bits and A516\text{A5}_{16}A516​

Markscheme

Number bases Questions

  1. GCSE
  2. /Computer Science
  3. /Number bases

27 exam-style questions on AQA GCSE Computer Science Number bases. Each one has a worked solution and a mark scheme showing where the marks go.

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