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Computer Aptitude

OPERATING SYSTEM MCQs

Total Questions : 622 | Page 55 of 63 pages
Question 541. Which, of the following is not true about the description of a decision table?
  1.    A decision table is easy to modify
  2.    A decision table is directly understood by the computer
  3.    A decision table is easy to understand
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> A decision table is directly understood by the computer
Question 542. Block caches or buffer caches are used
  1.    to improve disk performance
  2.    to handle interrupts
  3.    to increase the capacity of the main memory
  4.    to speed up main memory read operation
  5.    None of the above
 Discuss Question
Answer: Option A. -> to improve disk performance
Question 543. The action of parsing the source program into the proper syntactic classes is known as
  1.    syntax analysis
  2.    lexical analysis
  3.    interpretation analysis
  4.    general syntax analysis
  5.    None of the above
 Discuss Question
Answer: Option B. -> lexical analysis
Question 544. Which of the following is an example of utility?
  1.    Antivirus
  2.    Word
  3.    Operating system
  4.    Data recovery
 Discuss Question
Answer: Option A. -> Antivirus
Question 545. Which is built directly on the hardware?
  1.    Computer Environment
  2.    Application Software
  3.    Operating System
  4.    Database System
 Discuss Question
Answer: Option C. -> Operating System
Question 546. You can select My Computer icon and press Alt + Enter to
  1.    Delete it from desktop permanently
  2.    Open it in Explorer mode
  3.    Open System Properties dialog box
  4.    Pin it on Start menu
 Discuss Question
Answer: Option C. -> Open System Properties dialog box
Question 547. The purpose of run command in start menu is to
  1.    Launch internet browser
  2.    Open internet explorer
  3.    Open windows explorer
  4.    Start programs
 Discuss Question
Answer: Option D. -> Start programs
Question 548. ...... system is built directly on the hardware
  1.    Environment
  2.    System
  3.    Operating
  4.    None
 Discuss Question
Answer: Option C. -> Operating
Question 549. You can switch from one program to another on the desktop by clicking within the desired program's window or by clicking on its ...... button
  1.    Icon
  2.    Taskbar button
  3.    Folder
  4.    None of above
 Discuss Question
Answer: Option B. -> Taskbar button
Question 550. You can switch from one program to another by clicking within the desired program's icon from the
  1.    Application icon on desktop
  2.    Application icon from taskbar
  3.    Folder
  4.    None of above
 Discuss Question
Answer: Option B. -> Application icon from taskbar

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