The binary number system represents numbers using only the digits 0 and 1. Each digit represents a power of 2, with the rightmost being 20=1, then 21=2, 22=4, 23=8, and so on. A binary number is written with digits in increasing powers of 2, so 1010 represents 1×8 + 0×4 + 1×2 + 0×1 = 10. The document introduces binary numbers, how they are written, and that they use a base-2 system with only two digits, 0 and 1, unlike the normal base-10 decimal system.

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Today we will learn
Binary number system

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4. What is binary number system?
The binary number system has
base 2 . The digits 0 and 1 only
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5. How we write a binary number?
The binary number is written as
(1010) because its base is 2.
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6. When we use binary system
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7. Binary use tow digits
so each column is
worth twice the on
before .
2 , 4 , 8 ,16 ,32 ,64……..
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partner work

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