Computer MCQ Questions

DIRECTIONS : Computer MCQ Questions.
21. A typical morden computer uses ___
  A.  Vacuum tubes
  B.  Values
  C.  LSI chips
  D.  None of these
22. The language that the computer can understand and execute is called ____
  A.  Machine language
  B.  Application software
  C.  System Program
  D.  None of the above

23. Which of the following is most oriented to scientific programming?
  D.  PL/I
24. Large amounts of cheques are processed by using ____
  A.  OCR
  B.  MICR
  C.  OMR
  D.  All of the above
25. Data integrity refers to ____
  A.  The simplicity of data
  B.  The privacy of data
  C.  The validity of data
  D.  The security of data
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