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Computer Science

We prepare these MCQS with the help of over technical and subject expert team. Over team put their great efforts to explain each and every Question in detail.
Here is the list of COMPUTER SCIENCE and its all different categories MCQS for the preparation of CSS, PMS, PPSC, FPSC, Kppsc, SPSC, NTS, OTS, PTS , JTS and all other Government/Private exams. We cover all the latest and past papers topic of COMPUTER SCIENCE which you want and prepare yourself for all the exam MCQS.




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COMPUTER SCIENCE MCQS
IT CURRENT AFFAIRS BASIC IT/COMPUTER FUNDAMENTALS/MIXED COMPUTER SCIENCE MCQS
NETWORKING MANAGEMENT INFORMATION SYSTEM
COMPUTER HISTORY AND GENERATIONS MICROSOFT WORD MCQS
MICROSOFT EXCEL MCQS MICROSOFT POWER POINT MCQS

Which address represents the physical location of the record in file system?

Management Information System 0

A. Relative
B. Direct
C. Absolute
D. Indirect

Answer & Solution
Option: C
Explanation :It is a fixed address in memory. The term absolute distinguishes it from a relative address, which indicates a location by specifying a distance from another location. Absolute addresses are also called real addresses and machine addresses.
An explicit identification of hardware, such as a memory location, peripheral device, or location within a device. For example, memory byte 107,443, disk drive 2 and sector 238 are absolute addresses. Although the action may have been initiated through many “layers of abstraction” at a higher level, some instruction in some software routine must use an absolute address to activate every hardware component in the computer.
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    Which type of storage device can be carried around?

    Pakexammcq Basic IT, Computer Science 0

    A. Floppy Disk
    B. Hard Disk
    C. System Cabinet
    D. Universal Serial Bus
    E. A and D Both

    Answer & Solution
    Option: E
    Explanation :From these options floppy disk and universal serial bus(USB) can be carried around easily.
    Floppy Disk:- A floppy disk is a data storage device also known as floppies or diskettes. Floppy disks were developed by IBM in the early 1970s. When they are widely accessible in the late 1970s and 1980s then they became the primary storage method for most computer. The popular type of floppy disk is 3 ½-inch.
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      Which of the following is not a factor when categorizing a computer?

      Pakexammcq Basic IT 0

      A. Amount of main memory the CPU can use
      B. Capacity of the storage devices
      C. Cost of the system
      D. Where it was purchased
      E. Speed of the output device

      Answer & Solution
      Option: D
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        Software instruction intended to satisfy a user’s specific processing needs are called

        Pakexammcq Basic IT, Computer Science 0

        A. Documentation
        B. Application Software
        C. A microcomputer
        D. System Software



        Answer & Solution
        Option: B
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          Which of the following statements is true?

          Pakexammcq Basic IT 0

          A. The Smart approach to using computers is to write programs
          B. Hands-on exposure to the computer is not helpful to those who write programs
          C. Personal computers have been an important contributing factor in the movement toward using computers without programming
          D. Knowledge of the system development life cycle is not important to operators who use computers without programming

          Answer & Solution
          Option: C
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            Which of the following does not describe one or more characteristics of a computer?

            Pakexammcq Basic IT 0

            A. Electronic
            B. External storage
            C. Stored program
            D. Program modification at execution
            E. All of the above are characteristics



            Answer & Solution
            Option: D
            Explanation :Which of the following does not describe one or more characteristics of a computer the correct option is all of these. Computer is an electronic machine used to solve different problems according to a set of instructions given to it. A computer can accept data, process data into useful information and store it for later use. A computer derives its basic strength from speed, reliability, accuracy, storage, versatility, consistency, communication, recalling, control sequence and cost reductions.
            I. Speed:-
            Computer processes data at a very high speed. It is much faster than human beings. A computer can perform billions of calculations in a second. Computer speed is measured in Mega Hertz (MHz) or Giga Hertz (GHz).
            II. Reliability:-
            Computer is very reliable because in modern computer electronic components rarely break or fail.
            III. Accuracy:-
            Accuracy means that the computer provides results without any errors. Computer can process large amounts of data and produce results accurately. Computer result can be wrong only if the data given is not correct.
            IV. Storage/Memory:-
            Computer can store a large amount of data permanently or temporarily. People can use permanently stored data at any time. For example a computer can store thousands of books easily.
            V. Versatility:-
            Computer is a versatile machine so it can perform different types of tasks. That is why it is being used in every field of life. Computer is used in hospital, bank, office, and at home etc.
            VI. Consistency:-
            Computer works in a consistent way. It does not lose concentration due to heavy work. In other words, computer does not become tired or bored.
            VII. Communication:-
            Computer have capability to communicate with other computers. Therefore, these computers can share data, instructions, and information.
            VIII Recalling:-
            A computer can recall the stored data and information as and when required. In addition, computer can recall the required data in a few seconds.
            IX Cost Reduction:-
            Computer can perform a difficult task in less time and less cost.
            In short, Which of the following does not describe one or more characteristics of a computer the correct option is all of these( Electronic, External storage, Stored program, Program modification at execution).
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