How many bits in a byte?

4
8
16
32

The correct answer is B. A byte is a unit of digital information that consists of eight bits. A bit is the basic unit of information in computing and telecommunications. It is the smallest increment of data on a computer. A byte can represent 256 different values, from 0 to 255.

Option A is incorrect because a byte is made up of 8 bits, not 4.

Option C is incorrect because a byte is made up of 8 bits, not 16.

Option D is incorrect because a byte is made up of 8 bits, not 32.