Exercise: Digital Arithmetic Operations And Circuits

Questions for: Digital Arithmetic Operations And Circuits

–910 represented in eight-bit two's-complement notation is ________.
A:
11110111
B:
11111001
C:
11110110
D:
01111101
Answer: A
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Inside a computer all arithmetic operations take place in the ________.
A:
accumulator register
B:
ALU
C:
CPU
D:
B register
Answer: B
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The two's complement of 00001111 is ________.
A:
11111111
B:
11110000
C:
11110001
D:
11110111
Answer: C
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A 74HC283 can be used to implement a(n) ________ adder.
A:
4-bit BCD
B:
8-bit BCD
C:
4-bit full
D:
8-bit full
Answer: C
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The binary addition of 1 + 1 = ________.
A:
sum = 1
carry = 1
B:
sum = 0
carry = 0
C:
sum = 1
carry = 0
D:
sum = 0
carry = 1
Answer: D
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