Number Bases (AQA GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What base does the hexadecimal number system use?
What base does the hexadecimal number system use?
Base 16
Which digits and letters does hexadecimal use?
Which digits and letters does hexadecimal use?
0-9 and A-F
What decimal value does the letter F represent in hexadecimal?
What decimal value does the letter F represent in hexadecimal?
15
Why do computers naturally work in binary?
Why do computers naturally work in binary?
They're built from switches
What do the two binary digits 1 and 0 represent in computer switches?
What do the two binary digits 1 and 0 represent in computer switches?
On and off
Which types of data are converted to binary in computers?
Which types of data are converted to binary in computers?
All types of data
What is the binary number 11011100 in hexadecimal?
What is the binary number 11011100 in hexadecimal?
DC
Why do programmers prefer hexadecimal over binary?
Why do programmers prefer hexadecimal over binary?
It's much more compact
What do web designers use hexadecimal codes like #FF0000 for?
What do web designers use hexadecimal codes like #FF0000 for?
Colors
What does the second column represent in hexadecimal place values?
What does the second column represent in hexadecimal place values?
Sixteens