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Computer Aptitude

COMPUTER FUNDAMENTAL MCQs

Fundamental And Concepts Of Computer

Total Questions : 1289 | Page 18 of 129 pages
Question 171. The EAM device that does not use a control panel is the:
  1.    collator
  2.    reproducer
  3.    interpreter
  4.    sorter
  5.    None of the above
 Discuss Question
Answer: Option D. -> sorter
Question 172. Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called
  1.    quick processing system
  2.    batch processing system
  3.    real time system
  4.    remote processing system
  5.    None of the above
 Discuss Question
Answer: Option C. -> real time system
Question 173. The following is true about 2-out of-5 code:
  1.    it is weighted code
  2.    it is unweighted code
  3.    it has odd parity
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> it is unweighted code
Question 174. The Josephson tunneling device illustrates principles associated with the advanced storage technique:
  1.    cryogenics
  2.    CCD
  3.    EBAM
  4.    holographing
  5.    None of the above
 Discuss Question
Answer: Option A. -> cryogenics
Question 175. Which of the following statements is true?
  1.    The installation of a computer is favorably received by all employees
  2.    Some form of training is necessary for employees who will work with computers
  3.    Computers are portrayed solely as society's benefactor
  4.    A businessperson is only interested in the computer's accuracy
  5.    None of the above
 Discuss Question
Answer: Option B. -> Some form of training is necessary for employees who will work with computers
Question 176. Communication between computers using standard telephone service
  1.    Requires a change to an anolog signal
  2.    Is most efficient
  3.    Produces little noise and few disturbances
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> Requires a change to an anolog signal
Question 177. A floppy disk contains
  1.    Circular tracks only
  2.    Sectors only
  3.    Both circular tracks and sector
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option C. -> Both circular tracks and sector
Question 178. The first practical commercial typewriter was invented in 1867 in the United States by
  1.    Christopher Latham Sholes
  2.    Carlos Glidden
  3.    Samuel Soule
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 179. When an input electrical signal A=10100 is applied to a NOT gate, its output signal is
  1.    1011
  2.    10001
  3.    10101
  4.    101
  5.    None of the above
 Discuss Question
Answer: Option A. -> 1011
Question 180. What is meant by quad-density (QD) diskette?
  1.    It is double-sided disk
  2.    It is double density disk
  3.    It has double the number of tracks per inch
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option D. -> All of the above

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