Digital Electronics - Digital Arithmetic Operations and Circuits

Exercise :: Digital Arithmetic Operations and Circuits - General Questions

31. 

A half-adder circuit would normally be used each time a carry input is required in an added circuit.

A. True
B. False

Answer: Option B

Explanation:

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32. 

If B[7..0] = 10100101, what is the value of B[6..2]?

A. 10100
B. 01001
C. 10010
D. 00101

Answer: Option B

Explanation:

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33. 

How many inputs must a full-adder have?

A. 4
B. 2
C. 5
D. 3

Answer: Option D

Explanation:

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34. 

A. 10011110
B. 01211110
C. 000100000100
D. 001000001000

Answer: Option C

Explanation:

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35. 

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

Answer: Option D

Explanation:

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