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Computer Fundamentals - Engineering

Q1:

The binary system uses powers of

A 2

B 10

C 8

D 16

E None of the above

ANS:A - 2

Octal number system used eight digits i.e. 0, 1, 2, 3, 4, 5, 6, 7. It's base is 8. Decimal number system used 10 digits i.e. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. It's base is 10. Similarly Binary number system used two digits 0 and 1 that's why it's base is 2.