Computer Concept Courses (CCC) Practice Test 2025 - Free Practice Questions and Study Guide

Question: 1 / 400

Which of the following correctly defines a byte?

A group of 2 bits

A group of 4 bits

A group of 8 bits

A byte is defined as a group of 8 bits. This standard is foundational in computer science and is crucial for understanding how data is processed and stored in computing systems. By grouping 8 bits into a byte, it allows for the representation of 256 different values (from 0 to 255). This capacity is suitable for representing a wide range of data types, including character encoding in text (such as ASCII), which necessitates a way to represent characters as numbers.

Additionally, in the architecture of modern computers, the byte is often the smallest addressable unit of memory, which highlights its importance in computing. Other group sizes, such as 2 bits, 4 bits, or 16 bits, do not align with the definition of a byte and are used for other purposes, such as nibbles (4 bits), or larger data types, but they do not define what constitutes a byte. Understanding this concept is essential for grasping how digital information is organized.

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A group of 16 bits

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