Banking Computers Science IBPS RRBs Officer Assistant Exam CWE-IV 20-09-2015

  • question_answer
    Mathematical calculations and comparison decisions are performed by the _____ of the CPU.

    A)  Numerical calculator

    B)  Central calculation unit

    C)  Control unit

    D)  Arithmetic logic unit

    E)  Cache

    Correct Answer: D

    Solution :

    [d] An arithmetic logic unit (ALU) is a digital circuit used to perform arithmetic and logic operations. It represents the fundamental building block of the central processing unit (CPU) of a computer. In addition to ALUs, modern CPUs contain a control unit (CU).


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