A byte represents a group of

The correct answer is C. 8 bits.

A byte is a group of 8 bits. A bit is the smallest unit of information in computing. It can be either a 0 or a 1. Bits are used to represent numbers, letters, and other characters. Bytes are used to represent larger numbers and to store data.

Option A is incorrect because 10 bits is not a standard unit of information in computing.

Option B is incorrect because 40 bits is not a standard unit of information in computing.

Option D is incorrect because 22 bits is not a standard unit of information in computing.