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Computer Aptitude

COMPUTER FUNDAMENTAL MCQs

Fundamental And Concepts Of Computer

Total Questions : 1289 | Page 8 of 129 pages
Question 71. An input/output device at which data enters or leaves a computer system is
  1.    Keyboard
  2.    Terminal
  3.    Printer
  4.    Plotter
  5.    None of the above
 Discuss Question
Answer: Option B. -> Terminal
Question 72. The fastest type of memory from the following list is
  1.    tape
  2.    semiconductor memory
  3.    disk
  4.    bubble memory
  5.    None of the above
 Discuss Question
Answer: Option B. -> semiconductor memory
Question 73. The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is known as
  1.    Index register
  2.    Memory address register
  3.    Program counter
  4.    Instruction register
  5.    None of the above
 Discuss Question
Answer: Option C. -> Program counter
Question 74. Which of the following is a secondary memory device?
  1.    Keyboard
  2.    Disk
  3.    ALU
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> Disk
Question 75. The input and output devices are located away from the central computer facility in which particular type of processing.
  1.    Time sharing
  2.    Batch processing
  3.    Interactive mode
  4.    Real time processing
  5.    None of the above
 Discuss Question
Answer: Option B. -> Batch processing
Question 76. Which is a swapping device is used to hold the images of pages in main memory.
  1.    Plex
  2.    Paging drum
  3.    Card punch
  4.    Optical mark reader
  5.    None of the above
 Discuss Question
Answer: Option B. -> Paging drum
Question 77. A section of code that may only be executed by one process at any one time is
  1.    CPM
  2.    Critical resource
  3.    Critical region
  4.    Gray code
  5.    None of the above
 Discuss Question
Answer: Option C. -> Critical region
Question 78. The latest PC keyboards use a circuit that senses the movement by the change in its capacitance. What are these keyboards called?
  1.    Capacitance keyboards
  2.    Mechanical keyboards
  3.    Qwerty keyboards
  4.    Dvorak keyboards
  5.    None of the above
 Discuss Question
Answer: Option A. -> Capacitance keyboards
Question 79. A step-by-step procedure used to solve a problem is called
  1.    Operating system
  2.    Algorithm
  3.    Application program
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> Algorithm
Question 80. Which memory is nonvolatile and may be written only once?
  1.    RAM
  2.    EE-ROM
  3.    RAM
  4.    PROM
  5.    None of the above
 Discuss Question
Answer: Option D. -> PROM

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