What is a byte?

• A. Group of bits forming a piece of data
• B. A type of sensor
• C. A memory address
• D. A single bit

Answer: (A)

A byte is a small package of information made from eight bits. A bit is the tiniest binary unit that can be 0 or 1, and eight of these bits grouped together form one byte. This eight-bit unit is the standard data size used to represent a character, a small number, or other data in most computer systems, and memory is addressed in bytes. Because eight bits can represent 256 different values, a byte is the fundamental data unit for many operations. The other descriptions describe something else—like a sensor, a memory address, or a single bit—so they don’t fit as the definition of a byte.