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Digital Concepts - Technical MCQs

Q1:

Convert the fractional binary number 0001.0010 to decimal.

A 1.40

B 1.125

C 1.20

D 1.80

ANS:B - 1.125

0001.0010.

^MSB ^LSM.

= 0*2^3 + 0*2^2 + 0*2^1 + 1*2^0.0*2^-1 + 0*2^-2 + 1*2^-3 + 0*2^-4.

= 0+0+0+1.0+0+1/8+0.

= 1.125 answer.