Skip to content

Course home

Data types

Data types

Easy
1234567891011121314151617181920212223242526
Question 20

Complete the description of how computer systems represent text by selecting the correct terms from the table below. Not all terms will be used.

81632747880128256
allanyconstantdifferentidenticalsamesomeunique

A character set is a collection consisting of ..... of the characters that a particular computer system can recognise and represent. To ensure there is no ambiguity, every distinct character is mapped to a ..... binary code. Consequently, the lowercase letter 'e' and the uppercase letter 'E' are assigned ..... values.

One widely adopted standard is extended ASCII. This character set uses ..... bits to represent each character. If the denary code representing the character 'J' is 74, then the denary code for 'P' is ..... .

[5]
Markscheme

Data types Questions

  1. GCSE
  2. /Computer Science
  3. /Data types

26 exam-style questions on OCR GCSE Computer Science Data types. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank