SSC General Science & Technology Sample Paper NCERT Sample Paper-7

  • question_answer
    . Microcomputer hardware consists of three basic categories of physical equipments they are

    A)  Keyboard, monitor and hard drive

    B)  System unit, input/output and memory

    C)  System unit, input/output and secondary memory

    D)  System unit, primary and secondary memories

    Correct Answer: C

    Solution :

    [c] A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU). It includes a microprocessor, memory, and input/ output (I/O) facilities. Microcomputers became popular in the 1970s and 80s with the advent of increasingly powerful microprocessors. The predecessors to these computers, mainframes and minicomputers, were comparatively much larger and more expensive (though indeed present-day mainframes such as the IBM System machines use one or more custom microprocessors as their CPUs). Many microcomputers (when equipped with a keyboard and screen for input and output) are also personal computers (in the generic sense).

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