Basic Computer

Basic Computer Knowledge Multiple Choice Questions (MCQs) section covers objective questions on Application software, applications of computers, basics of information technology, computer architecture, computer networks, data communication, data protection and copyrights, data storage, displaying and printing data, interacting with computer, internet fundamentals, internet technology, introduction to computer systems, operating systems, processing data, spreadsheet programs, windows operating system, word processing for competitive examinations conducted by various public and private sector testing agencies like FPSC, NTS, SIBA STS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ITS, CSS and PMS etc.

    Basic Computer
    A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.
    Modem : Modem is short for “Modulator / Demodulator.” It is a hardware component that allows a computer or other device, such as a router or switch, to connect to the Internet. It converts or “modulates” an analog signal from a telephone or cable wire to a digital signal that a computer can recognize. Similarly, it converts outgoing digital data from a computer or other device to an analog signal.
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    Basic Computer
    Magnetic storage devices can represent binary 0 by the absence of?
    Magnetic storage devices can represent binary 0 by the absence of Magnetic tape.
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    Basic Computer
    _______ fields store the numbers used for calculation in database.
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    Basic Computer
    Which storage device has the largest capacity in MB’s?
    Storage Capacity of Floppy Disc = 1.44 Megabytes.
    Storage Capacity of CD-ROM = 650 Megabytes (Approx.).
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    Basic Computer
    The ASCII code for the character J is:
    The ASCII code for the character J is 074.

    Letter ASCII Code Binary
    A 065 01000001
    B 066 01000010
    C 067 01000011
    D 068 01000100
    E 069 01000101
    F 070 01000110
    G 071 01000111
    H 072 01001000
    I 073 01001001
    J 074 01001010
    K 075 01001011
    L 076 01001100
    M 077 01001101
    N 078 01001110
    O 079 01001111
    P 080 01010000
    Q 081 01010001
    R 082 01010010
    S 083 01010011
    T 084 01010100
    U 085 01010101
    V 086 01010110
    W 087 01010111
    X 088 01011000
    Y 089 01011001
    Z 090 01011010
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    Basic Computer
    ALU stands for:
    An arithmetic logic unit (ALU) is a combinational digital electronic circuit that performs arithmetic and bitwise operations on integer binary numbers. This is in contrast to a floating-point unit (FPU), which operates on floating point numbers. An ALU is a fundamental building block of many types of computing circuits, including the central processing unit (CPU) of computers, FPUs, and graphics processing units (GPUs). A single CPU, FPU or GPU may contain multiple ALUs.
    Source : Wikipedia.org
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    Basic Computer
    A(n) ___________ is a small, wirless handheld computer that scans items, tags and pulls up the current price (and any special offer) as you shop.
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    Basic Computer
    A(n) ________ is the combination of software and hardware that facilitates the sharing of information between computing devices.
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    Basic Computer
    Can you tell what passes into and out from the computer via its ports?
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    Basic Computer
    Fax machines and imaging systems are examples of
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