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Digital Arithmetic Operations and Circuits - Technical MCQs

Q1:

Determine the two's-complement of each binary number.
00110        00011        11101

A 11001    11100    00010

B 00111    00010    00010

C 00110    00011    11101

D 11010    11101    00011

ANS:D - 11010    11101    00011

1 s complement of
00110 00011 11101 is
11001 11100 00010, Now add 1 with this result gets 2s complement of the number i.e 11010 11101 00011.