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Computer Aptitude

COMPUTER FUNDAMENTAL MCQs

Fundamental And Concepts Of Computer

Total Questions : 1289 | Page 54 of 129 pages
Question 531. Which of the following is not one of the three primary functions that on-line direct-access systems can serve?
  1.    inquiry
  2.    backup
  3.    update
  4.    programming
  5.    None of the above
 Discuss Question
Answer: Option B. -> backup
Question 532. A code which uses more bits for each character then what is necessary is known as
  1.    Hollerith code
  2.    Gray code
  3.    Redundant code
  4.    Mnemonics
  5.    None of the above
 Discuss Question
Answer: Option C. -> Redundant code
Question 533. Point out the odd item amongst the following
  1.    Computer mouse
  2.    Touchpad
  3.    Light pen
  4.    Printer
  5.    None of the above
 Discuss Question
Answer: Option D. -> Printer
Question 534. Access time in a computer memory is the time required to
  1.    Locate the stored data
  2.    Retrieve the stored data
  3.    Both locate and retrieve the data
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option C. -> Both locate and retrieve the data
Question 535. In negative logic, the logic state 1 corresponds to
  1.    negative voltage
  2.    zero voltage
  3.    more negative voltage
  4.    lower voltage level
  5.    None of the above
 Discuss Question
Answer: Option D. -> lower voltage level
Question 536. Which of the following is a part of the Central Processing Unit?
  1.    Printer
  2.    Keyboard
  3.    Mouse
  4.    Arithmetic Logic Unit (ALU)
  5.    None of the above
 Discuss Question
Answer: Option D. -> Arithmetic Logic Unit (ALU)
Question 537. The least expensive OCR units can read
  1.    hand printed numbers
  2.    machine printed numbers
  3.    marks
  4.    handwriting
  5.    None of the above
 Discuss Question
Answer: Option C. -> marks
Question 538. The input unit of a computer
  1.    feeds data to the CPU or memory
  2.    retrieves data from CPU
  3.    directs all other units
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> feeds data to the CPU or memory
Question 539. File specification books are created primarily for the use of
  1.    systems analysts
  2.    programmers
  3.    operators
  4.    managers
  5.    None of the above
 Discuss Question
Answer: Option B. -> programmers
Question 540. Which of the following is used as storage locations both in the ALU and the control section of a computer?
  1.    accumulator
  2.    register
  3.    adder
  4.    decoder
  5.    None of the above
 Discuss Question
Answer: Option B. -> register

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