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Description and Tags

Computer Science

GCSE Computer Science

AQA

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6 Terms

1
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Minimum number of bits needed to represent all 25 letters of the alphabet.

5 bits

2
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ASCII

American Standard Code for Information Interchange, a coding system assigning unique bit patterns to characters.

3
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Unicode

Character set using 32 bits to represent characters in various languages worldwide.

4
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How many printable characters are there?

95 characters in ASCII that are printable.

5
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Non-printable characters

32 characters in ASCII reserved for non-printable control codes.

6
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Total ASCII characters

127 characters in total in the ASCII system.