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Digital Arithmetic Operations and Circuits
An input to the mode pin of an arithmetic/logic unit (ALU) determines if the function will be:
one's-complemented
arithmetic or logic
positive or negative
with or without carry
Correct Answer:
arithmetic or logic
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Digital Arithmetic Operations and Circuits
The binary adder circuit is designed to add ________ binary numbers at the same time.
What is wrong, if anything, with the circuit in the given figure based on the logic analyzer display accompanying the circuit?
Half-adders can be combined to form a full-adder with no additional gates.
The decimal value for E16 is:
Convert each of the decimal numbers to two's-complement form and perform the addition in binary. +13 –10 add –7 add +15
How many inputs must a full-adder have?
What is the major difference between half-adders and full-adders?
The most commonly used system for representing signed binary numbers is the:
When performing subtraction by addition in the 2's-complement system:
A full-adder adds ________.
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