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Digital Electronics
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Digital Arithmetic Operations and Circuits
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Question
Full adders can add two numbers and need not have a carry input or a carry output.
Options
A. True
B. False
Correct Answer
False
Digital Arithmetic Operations and Circuits problems
Search Results
1. A binary sum is made up of only 1s and 0s.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
2. Overflow indicators in ALU circuits indicate when add or subtract operations produce results that are too large to fit into four bits.
Options
A. True
B. False
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Correct Answer: True
3. The 74LS382 ALU is a 24-pin arithmetic/logic unit.
Options
A. True
B. False
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Correct Answer: False
4. There are four possible combinations for subtracting two binary numbers.
Options
A. True
B. False
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Correct Answer: True
5. The look-ahead-carry adder is slower than the ripple-carry adder because it requires additional logic circuits.
Options
A. True
B. False
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Correct Answer: False
6. ALU circuits cannot be cascaded to perform functions on more than four bits.
Options
A. True
B. False
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Correct Answer: False
7. Constants must be included in a package.
Options
A. True
B. False
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Correct Answer: True
8. The carry-out of a binary adder is identified using the summation symbol, sigma.
Options
A. True
B. False
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Correct Answer: False
9. If [A] = 10 and [B] = 01, then [A] + [B] = [ ].
Options
A. True
B. False
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Correct Answer: False
10. Digital computers use an easier method to subtract binary numbers, called one's complement.
Options
A. True
B. False
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Correct Answer: False
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