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It turns out that using the binary system - base 2 - requires circuits that are extremely simple, compared to circuits that manage decimal (base 10) numbers. So, internally, computers do lots of stuff in binary.

Octal and hexadecimal numbers are used as shorthand for binaries, to make them readable for humans. This is because on average, a number written in binary digits requires 3-4 times as many digits as a number in decimal. Each octal (base 8) number simply represents three bits (binary digits); while each hexadecimal (base 16) number represents 4 bits.

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Jaquan Kemmer

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Q: Why are different number systems used in computers?
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In a number of different ways! For pilots, they are used when planning the flights on the ground as well as calculating mass and balance. In the air computers in different formats are used for communicating with the ground control as well as monitoring the flight systems.


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Binary number system ,which has only two digits 0 and 1.


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Different number systems are used quite a lot, especially in computer science. In this case, the number systems mainly used are base 2, base 16 and of course base 10.


Where is Hexadecimal commonly used?

Hexadecimal is commonly used in comoputing to represent a memory byte.


What are some different number systems used throughout history?

There are many types of number systems. The common one is base-10. Base-2 is used in computer language and so is the hexadecimal system which is a Base-16 system.


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