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