Sunday, July 10, 2016

Number System

Number System

A number system is the set of symbols which is used to express quantities as the basic of counting, determining order comparing amount, performing calculation and representing values. It is set of characters and mathematical rules which are used to represent a number. In the simple word number system which talks about the numbers and their representation in different system. There are 4 types of Number systems. They are:-
1. Binary Number System
2. Decimal Number System
3. Octal Number System
4. Hexadecimal Number System

a) Binary Number system:- The number system having based 2 is called binary number system. It is the combination of zero and one (0 and 1). Data is represented in a computer system either one or zero.
Eg;- (01001)2
b) Decimal Number system:- The Number system having base 10 is called decimal number system. It can contain 10 different digits.
(0,1,2,3,4,5,6,7,8,9)
c) Octal Number System:- The number system having base 8 is called octal number system. It include 8 digit that is 0…..7. All the numbers are represented as the combination of 0….7 only such numbers are known as octal number system.
(0,1,2,3,4,5,6,7) Eg. (0754)8
d) Hexadecimal Number system:- The number system having base 16 is called Hexadecimal number system. It include 0 to 9 and A to F. It is the combination of 16 digits that’s it is known as hexadecimal number system.
(0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F) Eg. (758D)16

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