# Blog

## Why is octal and hexadecimal used?

Both Octal and Hexadecimal systems are used for the convenience of Programmers to concisely represent large strings of binary digits.

## What octal means?

Definition of octal

: of, relating to, or being a number system with a base of eight.

## What base is octal?

The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7, that is to say 10 represents 8 in decimal and 100 represents 64 in decimal.

## What is octal and hexadecimal number system?

Each digit in an octal number represents three bits. Similarly, hexadecimal notation uses base-16 numbers, representing four bits with each digit. Octal numbers use only the digits 0-7, while hexadecimal numbers use all ten base-10 digits (0-9) and the letters a-f (representing the numbers 10-15).Jan 18, 2018

## What is an octal number Class 7?

OCTAL NUMBER SYSTEM: The octal number system employs a base 8. It thus requires eight symbols i.e. the decimal symbols 0, 1,2,3,4,5,6,7. Octal decimal conversions are done by multiplying with 8. HEXADECIMAL SYSTEM: Sixteen symbols used in hexadecimal system are 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E and F; hence base is 16.

## Where did the octal system come from?

Octal refers to the base-8 numbering system. It comes from the Latin word for eight. The octal numbering system uses the numerals 0-1-2-3-4-5-6-7. In computing environments, it is commonly used as a shorter representation of binary numbers by grouping binary digits into threes.

## Which of the following is not an example of octal number?

876 or answer c is not an octal number.

Octal basically means 8 and here the base should be 8. When it comes to computer language, these numbers are converted into binary numbers. It is one of the oldest numeral system known to a man.
Jun 11, 2018

## What is the difference between binary and octal number system?

When used as nouns, binary means a thing which can have only (one or the other of) two values, whereas octal means the number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.Mar 3, 2021

## What is the octal number system used for?

• The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7.

### How many digits does the octal number system utilize?

• The octal number system uses 8 numbers from 0 - 7. They are 0, 1, 2, 3, 4, 5, 6 and 7. So each digit of octal number is formed from 0 to 7 digits in them.

### How does the octal numbers system work?

• Octal Number System Uses eight digits, 0,1,2,3,4,5,6,7. Also called base 8 number system. Each position in an octal number represents a 0 power of the base (8). Example: 8 0 Last position in an octal number represents an x power of the base (8). Example: 8 x where x represents the last position - 1.

### Why is octal number system used?

• The octal, or base 8, number system is a common system used with computers. Because of its relationship with the binary system, it is useful in programming some types of computers. Look closely at the comparison of binary and octal number systems in table 1-3.