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Q:

# Why do computers use the binary number system?

A:

Computers use the binary number system, or base 2, because they have two electrical circuits. On and off are the two electrical circuits used in the operation of a computer system.

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The binary number system uses the numbers zero and one to calculate. In the base 2 system, each number is worth twice the value of the binary digit to the left of it. This determines its name of base 2.

Another number system is that of base 10. The base 10 system employs digits or fingers. Each number to the left of a a digit in the base 10 system is worth 10 times the amount of the number on its right.

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## Related Questions

• A:

The number 42 in binary is "00110100 00110010." The binary system only uses two numeric values to represent numbers and letters, 1 and 0. The binary system is used internally by almost all modern computers, mobile phones, tablets, video game consoles and other computer-based devices.

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• A:

A binary code converter is a program that lets users convert binary code into simple text. Binary code is code used by computers based on the binary number system, a number system in which there are only two states, on and off, symbolized by zero and one.

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• A:

A byte consists of eight binary digits. A string of eight of these digits forms a byte that can represent as many as 256 different values.