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Character Sets

Quiz by GCSE Computer Science Teacher 2

GCSE (AQA)
Computer Science
English National Curriculum

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12 questions
Show answers
  • Q1
    What is ASCII?
    Representing numbers in Binary
    A number base
    A character set
    The software that converts text to binary
    30s
    3.3.5.a
  • Q2
    What does ASCII stand for?
    American Standard Code for Information Input
    Associated Standard Code for Information Input
    American Standard Code for Information Interchange
    Aligned Standard Code for Information Interchange
    45s
    3.3.5.a
  • Q3
    How many characters can ASCII represent?
    18
    255
    66
    127
    30s
    3.3.5.a
  • Q4
    Which of these is not true about why humans need character sets?
    So that we do not have to use binary anymore
    To that binary can be converted into a human friendly language
    To allow a standard way of converting text to binary
    Because they allow us to use interact with machines
    60s
    3.3.5.a
  • Q5
    How many letters are available in ASCII
    52
    None
    255
    26
    60s
    3.3.5.a
  • Q6
    How many bits does an ASCII character use?
    4
    8
    7
    16
    60s
    3.3.5.a
  • Q7
    What uses more bits, the character 'A' or the Hexadecimal equivalent of '41'?
    41
    They are the same
    It depends on how they are encoded
    A
    60s
    3.3.5.a
  • Q8
    How many bits can be a Unicode character use?
    31
    8
    4
    16
    60s
    3.3.5.a
  • Q9
    How many characters can be represented in Unicode?
    65,536
    6,400
    128
    255
    60s
    3.3.5.a
  • Q10
    Which of these can not be stored in ASCII?
    Emojis
    Punctuation symbols such as '!'
    Letters
    Numbers
    60s
    3.3.5.a
  • Q11
    What is Unicode?
    A way of representing numbers
    A system for counting numbers
    A way of reducing the need for text
    A way of encoding text in computing
    60s
    3.3.5.a
  • Q12
    What is the job of an encoding table?
    To record the number of letters used in ASCII
    To show where characters sets and number bases align in their values
    For testing programming
    To record any Unicode symbols used
    60s
    3.3.5.a

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