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Different number systems are taught, for one, to let you understand the basic concepts. Most number systems, however, will seldom be used. If you work with computers, you will mainly need:

  • Base 10, because that is the system we commonly use in "real life".
  • Base 2, because that is the system used internally by computers.
  • Base 16, often used as a shortcut to express base 2 numbers.
  • Base 8 can also be used as such a shortcut, but it is not commonly used nowadays. Base 8 is mainly a relic from the past.
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Q: Why you need different number system when computer work on binary?
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Related questions

What is the number system that the computer uses?

Binary-


What are number systems use in computer?

Binary Number System


First computer to use binary number system?

The first computer to use the binary number system was probably the Z1, started by Konrad Zuse in 1936. It was a mechanical computer, not fully programmable, but is still considered a computer.


What number system did the first electronic computer use?

Binary


What base system does a computer use?

Computers are based on a binary number system.


What are number systems use in computer to store data and perform calculations?

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


Which number system is usually followed in 64 bit computer?

2 (i.e., 0 or 1)


Why is the system called binary?

binary number system used in computers because computer can understand only binary language as it starts from 0and 1. which makes computer easier.


How many different symbols are used in the binary number system?

Over 9000!


What is the advantage of having the binary number system to represent data inside the computer instead of the decimal number system?

They use the binary sysem because the number 1 means the switch is turned on and the number 0 means the switch is off. There is no way to use the decimal number system.


Who defined the binary number system?

A.N.D. Leibniz defined the binary number system.


What is the binary number for the decimal number 134?

The binary number for the decimal 134 is calculated as 128+4+2=10000110. The binary number system is used internally on almost all computers and computer based devices like cell phones.