what is octal number system in computer

What is octal and hexadecimal number system?
The octal number system is a base-8 number system and uses the digits 0 - 7 to represent numbers.
The hexadecimal number system is a base-16 number system and uses the digits 0 - 9 along with the letters A - F to represent numbers.
What is the number system in a computer?
Computer Numeral System (Number System in Computers)
A computer can understand only a few symbols called digits and these symbols describe different values depending on the position they hold in the number.
In general, the binary number system is used in computers.
What is the octal number system sometimes called?
Octal numbers are also referred to as base eight numbers.
In decimal to binary, we divide the number by 2, in decimal to hexadecimal we divide the number by 16.
In case of decimal to octal, we divide the number by 8 and write the remainders in the reverse order to get the equivalent octal number.
Decimal Number: All the numbers to the base ten are called decimal numbers.

A number system with its base as eight and uses digits from 0 to 7 is called Octal Number System. The word octal is used to represent the numbers that have eight as the base. The octal numbers have many applications and importance such as it is used in computers and digital numbering systems.

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