Consider the following statements: Arithmetic Logic Unit (ALU) Performs…
2020
Consider the following statements:
Arithmetic Logic Unit (ALU)
Performs arithmetic operations
Performs comparisons
Communicates with I/O devices
Keeps watch on the system
Which of these statements are correct?
- A.
1 only
- B.
1 and 2 only
- C.
1 and 4
- D.
2 and 3
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Show answer & explanation
Correct answer: B
An Arithmetic Logic Unit (ALU) is a fundamental component of the CPU that handles calculations and logical decision-making.
Statement 1 is correct: The ALU performs arithmetic operations such as addition (+), subtraction (-), multiplication (X), and division (/).
Statement 2 is correct: It performs logical comparisons like "greater than" (>), "less than" (<), and "equal to" (=).
Statement 3 is incorrect: Communicating with I/O devices is the responsibility of the Control Unit (CU) and the Bus system, not the ALU.
Statement 4 is incorrect: Monitoring or managing the system is handled by the Control Unit and the Operating System.