Binary Representation in Computers (AQA GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
What is binary representation in computers?
What is binary representation in computers?
Way computers store data using 1s and 0s
How many symbols does the binary system use?
How many symbols does the binary system use?
2
In the light switch analogy for binary, what does 1 represent?
In the light switch analogy for binary, what does 1 represent?
ON
Why do computers use binary?
Why do computers use binary?
Circuits work with electricity ON or OFF
What does 0 represent in terms of electricity in a computer?
What does 0 represent in terms of electricity in a computer?
No electricity flowing
Why is the two-state binary system reliable for computers?
Why is the two-state binary system reliable for computers?
Easy to tell 'on' from 'off'
How many symbols does decimal (Base 10) use?
How many symbols does decimal (Base 10) use?
10
What symbols does hexadecimal (Base 16) use?
What symbols does hexadecimal (Base 16) use?
0-9, A-F
What is the decimal number 10 in binary?
What is the decimal number 10 in binary?
1010
What could the binary 01000100 represent?
What could the binary 01000100 represent?
Any of: pixel, audio, letter, number
How many binary digits does each hexadecimal digit represent?
How many binary digits does each hexadecimal digit represent?
4
What is an advantage of hexadecimal over binary for programmers?
What is an advantage of hexadecimal over binary for programmers?
Much shorter than binary
What tells the computer how to interpret binary data?
What tells the computer how to interpret binary data?
File types and data formats