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Arithmetic Operations and Circuits - Technical MCQs

Q1:

Use the two's complement system to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.

A –14 and –13; –27

B –113 and –114; 227

C –27 and –13; 40

D –11 and –16; –27

ANS:A - –14 and –13; –27

1's compliment sign numbers 0000 1101.

2's compliment sign numbers 0000 1110.

Convert the decimal value is 14.

1's compliment 2nd sign number is 0000 1100.

2's compliment sign numbers is 0000 1101.

Convert the decimal value is 13. Sum of the sign number is 27.