Binary Codes to Represent Characters (AQA GCSE Computer Science): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is character encoding?
What is character encoding?
Converting characters into binary codes
Why do we need international standards for character representation?
Why do we need international standards for character representation?
To ensure text displays correctly
What is a character set?
What is a character set?
Complete collection of recognizable characters
What does ASCII stand for?
What does ASCII stand for?
American Standard Code for Information Interchange
How many bits does ASCII use to represent each character?
How many bits does ASCII use to represent each character?
7 bits
How many different combinations can you create with bits?
How many different combinations can you create with bits?
How many total possible codes does ASCII provide?
How many total possible codes does ASCII provide?
128
How many alphabetic characters are included in ASCII?
How many alphabetic characters are included in ASCII?
52
How many ASCII codes represent printable characters?
How many ASCII codes represent printable characters?
95
What is the decimal ASCII code for the uppercase letter 'A'?
What is the decimal ASCII code for the uppercase letter 'A'?
65
How many non-printable control codes does ASCII include?
How many non-printable control codes does ASCII include?
32
What was the 8th bit in each byte often used for in ASCII?
What was the 8th bit in each byte often used for in ASCII?
Parity checking (error detection)