Multiple choice

The smallest unit of computer memory is _______.

  1. Byte

  2. Bit

  3. KB

  4. MB

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A bit (binary digit) is the fundamental unit of computer memory, representing a single 0 or 1. All larger units like bytes, KB, and MB are composed of multiple bits. A byte equals 8 bits.