Question

is the number of bits treated as a single unit by the central processing
unit.
​

Answer 1

Answer:

A word, must be equal to the number of bits transferred between the central processing unit and the main memory in a single step or it may be defined as the basic unit of storage of integer data in a computer. Normally, a word may be equal to 8, 16, 32, or 64 bits. The terms like 32 bit computer, 64 bit computers etc.

Answer 2

Answer:

A word is the number of bits treated by the Central Processing Unit. (CPU)

In a word, there can be 8 or 16 bits*

*(Variables vary)