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Exercise
16.
The practice of "bundling" refers to
  • A.
    selling computers alone
  • B.
    selling peripheral devices with computer
  • C.
    selling software to run on computers
  • D.
    giving away software with a computer purchase.
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Answer : [D]
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17.
Which of the following is not true about documentation?
  • A.
    Documentation of a system should be as clear and direct as possible
  • B.
    Documentation increases the maintenance time and cost
  • C.
    Documentation gives better understanding of the problem
  • D.
    All of these
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Answer : [B]
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18.
Which of the following terms refers to the degree to which data in a database system are accurate and correct?
  • A.
    Data security
  • C.
    Data independence
  • B.
    Data validity
  • D.
    Data integrity
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Answer : [D]
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19.
The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk, is known as
  • A.
    multiprogramming
  • C.
    caching
  • B.
    spooling
  • D.
    virtual programming
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Answer : [B]
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20.
Data encryption
  • A.
    is mostly used by public networks
  • B.
    is mostly used by financial networks
  • C.
    cannot be used by private installations
  • D.
    is not necessary, since data cannot be intercepted
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Answer : [B]
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