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    Which of the following accurately represents the two main components of the CPU and their functions?
    Question

    Which of the following accurately represents the two main components of the CPU and their functions?

    A.

    Monitor and Keyboard – Control the speed of data processing

    B.

    RAM and ROM – Store data and instructions permanently

    C.

    HDD and SSD – Perform data input and output tasks

    D.

    ALU and CU – Perform calculations and control all computer operations

    Correct option is D


    The correct answer is (d) ALU and CU – Perform calculations and control all computer operations
    Explanation:
    • CPU consists mainly of ALU and Control Unit.
    • ALU performs arithmetic and logical operations.
    • Control Unit directs and coordinates all activities.
    • Together they manage processing and execution of instructions.
    • Hence, option (d) is correct.
    Information Booster:
    • CPU is called the “brain of the computer”.
    • Registers are also part of CPU for temporary storage.
    Additional Knowledge (Incorrect Options):
    • Monitor/Keyboard – Input-output devices.
    • RAM/ROM – Primary memory components.
    • HDD/SSD – Secondary storage devices.

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