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Digital Electronics
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Digital Arithmetic Operations and Circuits
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Question
An ALU is a multipurpose device capable of providing several different logic operations.
Options
A. True
B. False
Correct Answer
True
Digital Arithmetic Operations and Circuits problems
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1. The two's-complement method is used in computer systems that perform arithmetic.
Options
A. True
B. False
Show Answer
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Correct Answer: True
2. The representation of ?1
10
in eight-bit two's-complement notation is 11110111.
Options
A. True
B. False
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Correct Answer: False
3. Full adder results are typically stored in registers.
Options
A. True
B. False
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Correct Answer: True
4. Binary multiplication is like decimal multiplication except you deal only with 1s and 0s.
Options
A. True
B. False
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Correct Answer: True
5. When the 2's-complement system is used, the number to be subtracted is changed to its 2's complement and then added to the minuend.
Options
A. True
B. False
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Correct Answer: True
6. Larger number capacities may be obtained from 2-bit adders by paralleling them.
Options
A. True
B. False
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Correct Answer: True
7. A macrofunction is a self-contained description of a logic circuit with all of its inputs, outputs, and operational characteristics defined.
Options
A. True
B. False
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Correct Answer: True
8. A full adder has a carry-in.
Options
A. True
B. False
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Correct Answer: True
9. BCD arithmetic is performed using base 10 numbers.
Options
A. True
B. False
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Correct Answer: False
10. The solution to the binary problem 00110110 ? 00011111 is 00011000.
Options
A. True
B. False
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Correct Answer: False
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