Digital Arithmetic Operations and Circuits - Technical MCQs

Q1:

The solution to the binary problem 1011 – 0111 is 1000.

A True

B False

ANS:B - False

Take 2's Complement to be taken for 0111 ==> 1001.

Now you can add 1011 + 1001 = 10100.
Discard MSB bit, and will get 0100 ==> 4.

Verify: 11 - 7 = 4.