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Digital Arithmetic Operations and Circuits
It is not necessary to have the same number of bits when adding or subtracting signed binary numbers in the 2's-complement system.
True
False
Correct Answer:
False
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Digital Arithmetic Operations and Circuits
The binary subtraction 0 – 1 = is difference = 1 borrow = 0
The look-ahead-carry adder is slower than the ripple-carry adder because it requires additional logic circuits.
There are four possible combinations for subtracting two binary numbers.
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Overflow indicators in ALU circuits indicate when add or subtract operations produce results that are too large to fit into four bits.
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The carry-out of a binary adder is identified using the summation symbol, sigma.
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