Binary number system uses which digits?

One byte is equal to:

Decimal number system is based on:

Which number system uses base 16?

In binary, what is 2 + 1?

Which of the following is not a number system?

In hexadecimal, the digit after 9 is:

Which is the smallest unit of data in computers?

How many bits are there in a nibble?

How many unique values can 1 byte store?