Using binary (Edexcel GCSE Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is binary?
What is binary?
A number system using only 1 and 0
Why do computers use binary?
Why do computers use binary?
Transistors have only 2 reliable states
What is a bit?
What is a bit?
A single binary digit (1 or 0)
What is a nibble in computing?
What is a nibble in computing?
A group of 4 bits
How many bits are in a byte?
How many bits are in a byte?
8 bits
What formula calculates combinations for bits?
What formula calculates combinations for bits?
How many combinations can 4 bits create?
How many combinations can 4 bits create?
16 combinations
How many colours can 8 bits represent?
How many colours can 8 bits represent?
256 colours
What is ?
What is ?
32
For basic text, how many lowercase letters must computers handle?
For basic text, how many lowercase letters must computers handle?
26 lowercase letters
With only 2 binary digits, what type of images appear?
With only 2 binary digits, what type of images appear?
Black and white images
How do binary place values increase?
How do binary place values increase?
By powers of 2