Question

One of the most common elements in an ALU within a CPU is a
select one
a)flag register
b)decoder
c)barrel shifter
d)tri-state buffers​

Answer 1

Handles binary subtraction by negating b and doing addition. ... The Binvert control bit determines whether b or not b is passed to the adder. The two Operation control bits determine which result is passed through the second MUX (AND, OR, or sum).

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