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Computer Aptitude

COMPUTER FUNDAMENTAL MCQs

Fundamental And Concepts Of Computer

Total Questions : 1289 | Page 53 of 129 pages
Question 521. Which of the following tasks is not suited for sequential processing by a computer?
  1.    Preparing of mailing labels
  2.    Processing payroll cheques
  3.    Accounting for credit card purchases
  4.    Inventory control
  5.    None of the above
 Discuss Question
Answer: Option D. -> Inventory control
Question 522. All calculations are performed and all comparisons are made in _____ unit.
  1.    control unit
  2.    arithmetic-logic unit
  3.    central processing unit
  4.    primary storage unit
  5.    None of the above
 Discuss Question
Answer: Option B. -> arithmetic-logic unit
Question 523. Which of the following is responsible for coordinating various operations using timing signals?
  1.    Arithmetic-logic Unit
  2.    Control unit
  3.    Memory unit
  4.    Input/Output unit
  5.    None of the above
 Discuss Question
Answer: Option B. -> Control unit
Question 524. The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in Electronic Data Processing system is called
  1.    ASCII
  2.    EBCDII
  3.    BCD
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> ASCII
Question 525. The terminal device often used in checking charge cards that offers both a limited keyboard input and visual output is the:
  1.    Intelligent terminal
  2.    POS terminal
  3.    Video display terminal
  4.    Audio response unit
  5.    None of the above
 Discuss Question
Answer: Option C. -> Video display terminal
Question 526. The computer translates the condition of each switch to a number. What number is represented by the OFF state?
  1.    -7
  2.    -3.75
  3.    1
  4.    0
  5.    -22
 Discuss Question
Answer: Option D. -> 0
Question 527. Who built the world's first electronic calculator using telephone relays, light bulbs and batteries?
  1.    Claude Shannon
  2.    Konard Zuse
  3.    George Stibitz
  4.    Howard H. Aliken
  5.    None of the above
 Discuss Question
Answer: Option C. -> George Stibitz
Question 528. Hard disks and diskettes are:
  1.    Direct access storage devices
  2.    Sequential access storage devices
  3.    Rarely used with microcomputers
  4.    Both (A) and (C)
  5.    None of the above
 Discuss Question
Answer: Option A. -> Direct access storage devices
Question 529. In digital data transmission
  1.    Baud rate in equal to bit rate
  2.    Baud rate is always smaller than the bit rate
  3.    Baud rate is always higher than the bit rate
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> Baud rate in equal to bit rate
Question 530. How many bits can be stored in the 8K RAM?
  1.    8000
  2.    8192
  3.    4000
  4.    4096
  5.    None of the above
 Discuss Question
Answer: Option B. -> 8192

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