FC0-U61 Question #21: Real Exam Question with Answer & Explanation

The correct answer is A: A notational system used to represent an "on" or "off" state. While people find decimal easy to use, computers use binary to calculate and process information. Binary is a numbering system where each single digit can express only two values, in the range 0 to 1. The reason binary works well with computers is that these two values can repres

Question

Which of the following statements BEST describes binary?

Options

AA notational system used to represent an "on" or "off" state
BA notational system used to represent media access control
CA notational system used to represent Internet protocol addressing
DA notational system used to represent a storage unit of measurement

Explanation

While people find decimal easy to use, computers use binary to calculate and process information. Binary is a numbering system where each single digit can express only two values, in the range 0 to 1. The reason binary works well with computers is that these two values can represent the off/on states of the transistors that make up computer memory. Binary can also be referred to as base 2.

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