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Digital Arithmetic Operations and Circuits
Overflow indicators in ALU circuits indicate when add or subtract operations produce results that are too large to fit into four bits.
True
False
Correct Answer:
True
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Digital Arithmetic Operations and Circuits
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.
A 74HC283 can be used to implement a 4-bit full adder.
The solution to the binary problem 0101 + 1111 is 10100.
The solution to the BCD problem 0101 + 0100 is 00001001BCD.
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