Exercise: Digital Arithmetic Operations And Circuits

Questions for: Digital Arithmetic Operations And Circuits

Multiply the following binary numbers.
1010   1011   1001
×0011   ×0111   ×1010
A:
0001  1110    0100  1101    0101  1011
B:
0001  1110    0100  1100    0101  1010
C:
0001  1110    0100  1101    0101  1010
D:
0001  1101    0100  1101    0101  1010
Answer: C
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Solving –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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Perform subtraction on each of the following binary numbers by taking the two's-complement of the number being subtracted and then adding it to the first number.
01001        01100
00011        00111
A:
01100    10011
B:
00110    00101
C:
10110    10101
D:
00111    00100
Answer: B
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What is the first thing you will need if you are going to use a macrofunction?
A:
A complicated design project
B:
An experienced design engineer
C:
Good documentation
D:
Experience in HDL
Answer: C
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For a 4-bit parallel adder, if the carry-in is connected to a logical HIGH, the result is:
A:
the same as if the carry-in is tied LOW since the least significant carry-in is ignored.
B:
that carry-out will always be HIGH.
C:
a one will be added to the final result.
D:
the carry-out is ignored.
Answer: C
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