Year 7 - End of Unit Test

Binary is base ...

A bit is a single 1 or

A byte is _______ bits

A megabit is _____ bits

• 1,000,000

• 2000

• 1000

• 8

A megabyte is ___ bits

• 8,000,000

• 8

• 1000

• 1024

Which is the larger size?

• 100MB

• 1MB

• 1GB

• 3 bytes

Denary is base

101 converted from binary to denary is

Why do computers use binary?

• Computers use electronic switches

• It's the only thing computers understand

• It's cheap and quick

• It's easy

Looking at the value of each column

what is this binary number worth ?

• 2

• 4

• 6

• 8