Computer Concept Courses (CCC) Practice Test 2026 - Free Practice Questions and Study Guide

Question: 1 / 400

What is the smallest unit of data in a computer?

Byte

Bit

The smallest unit of data in a computer is a bit. A bit, which stands for "binary digit," represents the most basic form of data in digital computing and can have a value of either 0 or 1. All other forms of data storage and measurement are built upon this fundamental unit. For instance, a byte, which consists of 8 bits, serves as a crucial building block for more complex data types. Meanwhile, kilobytes and megabytes are larger units of storage. A kilobyte consists of 1,024 bytes, and a megabyte consists of 1,024 kilobytes, indicating that they are many times larger than a single bit. This hierarchical structure showcases the bit as the essential starting point for data representation in computing.

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Kilobyte

Megabyte

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