A 4-bit ALU can perform 2n unique operations. What is the value of n?
2024
A 4-bit ALU can perform 2n unique operations. What is the value of n?
- A.
2
- B.
4
- C.
8
- D.
16
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Correct answer: B
A 4-bit ALU uses 4 control bits to select operations. Since each bit doubles the possibilities, there are 24 = 16 unique operations possible.Therefore, value of n = 4