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Computer Aptitude

COMPUTER FUNDAMENTAL MCQs

Fundamental And Concepts Of Computer

Total Questions : 1289 | Page 3 of 129 pages
Question 21. Which type device is a piece of equipment that receives information from a CPU?
  1.    Input
  2.    Output
  3.    CPU
  4.    Memory
  5.    Storage
 Discuss Question
Answer: Option B. -> Output
Question 22. Computer Operators
  1.    Write computer programs for specific problems
  2.    Operate the devices which input and output data from the computer
  3.    Normally require a college degree in computer science
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> Operate the devices which input and output data from the computer
Question 23. Which of the following is not used for storage purposes with main frame computers?
  1.    removable disks
  2.    fixed disks
  3.    mass storage systems
  4.    diskettes
  5.    None of the above
 Discuss Question
Answer: Option D. -> diskettes
Question 24. Which is true for the digital computer?
  1.    It is less accurate than the analog computer
  2.    It represents the decimal numbers through a string of binary digits
  3.    It is used primarily in scientific applications
  4.    Both A and C
  5.    None of the above
 Discuss Question
Answer: Option B. -> It represents the decimal numbers through a string of binary digits
Question 25. When was the IBM XT microcomputer released in the market?
  1.    1970
  2.    1971
  3.    1987
  4.    1986
  5.    None of the above
 Discuss Question
Answer: Option C. -> 1987
Question 26. Which of the following terminals' output most closely resembles the output produced by a plotter?
  1.    graphics terminal
  2.    POS terminal
  3.    hardcopy terminal
  4.    all the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> graphics terminal
Question 27. What is the main advantage of magnetic core memory over semiconductor RAM memory?
  1.    more compact and smaller
  2.    more economical
  3.    a bit does not have to write after reading
  4.    non volatile
  5.    None of the above
 Discuss Question
Answer: Option D. -> non volatile
Question 28. A memory space used for the temporary storage of data is
  1.    PROM
  2.    SAM
  3.    Scratchpad storage
  4.    Buffer
  5.    None of the above
 Discuss Question
Answer: Option C. -> Scratchpad storage
Question 29. Which of the following is used for serial access storage only?
  1.    RAM
  2.    Magnetic tape
  3.    Magnetic disk
  4.    Core memory
  5.    None of the above
 Discuss Question
Answer: Option B. -> Magnetic tape
Question 30. What is the name of the logic circuit which can add two binary digits?
  1.    Full adder
  2.    Half adder
  3.    Buffer
  4.    Register
  5.    None of the above
 Discuss Question
Answer: Option B. -> Half adder

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