Exercise: Arithmetic Operations And Circuits

Questions for: Arithmetic Operations And Circuits

The fast carry or look-ahead carry circuits found in most 4-bit parallel-adder circuits:
A:
increase ripple delay
B:
add a 1 to complemented inputs
C:
reduce propagation delay
D:
determine sign and magnitude
Answer: C
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The two's complement system is to be used 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
Answer: A
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Adding the two's complement of –11 + (–2) will yield which two's complement answer?
A:
1110 1101
B:
1111 1001
C:
1111 0011
D:
1110 1001
Answer: C
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When 1100010 is divided by 0101, what will be the decimal remainder?
A:
2
B:
3
C:
4
D:
6
Answer: B
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