The number system used by us in day to day to day life is decimal number system. This number system has a base 10. this is, there are ten basic numbers: 0,1,2,3,4,5,6,7,8,9. All other numbers are a combination of these ten numbers.
Following are some example of decimal numbers.
1
1
2
756
5555
215115
216425123
The decimal numbers can not be represented directly into the computer system. We need to convert these numbers into binary numbers.
Decimal number Binary number
0 0
1 1
2 10
3 11
4 100
5 101
6 110
7 111
8 1000
9 1001
10 1010
11 1011
12 1100
13 1101
14 1110
15 1111
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