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Computer Aptitude

COMPUTER FUNDAMENTAL MCQs

Fundamental And Concepts Of Computer

Total Questions : 1289 | Page 72 of 129 pages
Question 711. The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory?
  1.    External memory
  2.    I/O memory
  3.    ROM
  4.    Buffer memory
  5.    None of the above
 Discuss Question
Answer: Option D. -> Buffer memory
Question 712. Which of the following registers hold the information before it goes to the decoder
  1.    control register
  2.    data register
  3.    accumulator
  4.    address register
  5.    None of the above
 Discuss Question
Answer: Option B. -> data register
Question 713. Which of the following printer can be classified as a page-at-a-time printer?
  1.    Laser printer
  2.    Dot-matrix printer
  3.    Thermal printer
  4.    Inkjet printer
  5.    None of the above
 Discuss Question
Answer: Option A. -> Laser printer
Question 714. A modern electronic computer is a machine that is meant for
  1.    doing quick mathematical calculations
  2.    input, storage, manipulation and outputting of data
  3.    electronic data processing
  4.    performing repetitive tasks accurately
  5.    None of the above
 Discuss Question
Answer: Option B. -> input, storage, manipulation and outputting of data
Question 715. A typical modern computer uses
  1.    LSI chips
  2.    Vacuum tubes
  3.    Valves
  4.    All the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> LSI chips
Question 716. ENIAC (Electronic Numerical Integrator and Calculator) had huge advantage over Mark I because it used electronic valves in place of the electromagnetic switches. In the beginning, ENIAC was used for calculating the path of artillery shells. For which other was weapon design was it utilized?
  1.    hydrogen bomb
  2.    atom bomb
  3.    agnimissile
  4.    fighter aircraft
  5.    None of the above
 Discuss Question
Answer: Option A. -> hydrogen bomb
Question 717. Who was the father of Punched Card Processing?
  1.    J Presper Eckert
  2.    Charles Babbage
  3.    Dr. Herman Hollerith
  4.    Blaise Pascal
  5.    None of the above
 Discuss Question
Answer: Option C. -> Dr. Herman Hollerith
Question 718. When did Hewlett-Packard Inc. Introduce its first HP-110 laptop computer?
  1.    1984
  2.    1986
  3.    1990
  4.    1995
  5.    None of the above
 Discuss Question
Answer: Option A. -> 1984
Question 719. The computer program language which is widely used in computer science and engineering and also in business is
  1.    COBOL
  2.    FORTRAN
  3.    PASCAL
  4.    LISP
  5.    None of the above
 Discuss Question
Answer: Option C. -> PASCAL
Question 720. A 'number crunching' computer is one that can handle
  1.    large spreadsheets
  2.    large alphanumeric data
  3.    large volume of numbers
  4.    only numbers
  5.    None of the above
 Discuss Question
Answer: Option C. -> large volume of numbers

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