DICT NOTES – COMPUTER MATHEMATICS NOTES PDF

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TOPIC 1
DATA REPRESENTATION AND NUMBER SYSTEM

Introduction to Number System
Definition: Number system is the way to represent a number in different forms.
Types of Number system:
1. Binary Number System: It is the number system with base value 2 means it has only two digits to represent the data. The digits are (0, 1). E.g. 00,01,10,11,100….
2. Decimal Number System: It is the number system with base value 10 means it has 10- digits to represent the data. The digits are(0-9). Eg. 0,1,2,3,4,5,6 ………
3. Octal Number System: It is the number system with base value 8 means it has 8 digits to represent the data. The digits are ( 0-7).
4. Hexadecimal Number System : It is the number system with base value 16 means it has 16 digits to represent the data. The digits are (0-15). Eg. 0,1,2,3…….,9,A,B,C,D,E,F