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Computer Aptitude

COMPUTER KNOWLEDGE MIXED MCQs

Total Questions : 480 | Page 6 of 48 pages
Question 51. A device that provides emergency power to your computer, conditions that voltage, and protects against powers surges is called a 
  1.    PSU = Power Supply Unit
  2.    USP = Universal Surge Protector
  3.    UPPS = Universal Power Protection and Supply
  4.    UPS = Un interruptible Power Supply
  5.    None of these
 Discuss Question
Answer: Option D. -> UPS = Un interruptible Power Supply


N/A


Question 52. The term "user interface" refers to _____
  1.    what the user sees on the screen and how they can interact with it
  2.    how the operating system responds to user commands
  3.    the means by which the user interacts with the peripheral devices on the computer
  4.    the monitor that is available for the computer
  5.    None of these
 Discuss Question
Answer: Option A. -> what the user sees on the screen and how they can interact with it


N/A


Question 53. Two different files can have the same name if ___ 
  1.    they are in different folders
  2.    they are on different drives 
  3.    never!
  4.    the names are capitalized differently
  5.    (1) and (2)
 Discuss Question
Answer: Option E. -> (1) and (2)


N/A


Question 54. Documentation of computer programs is important so that _____ 
  1.    users can learn how to use the program
  2.    other programmers can know how to maintain the program
  3.    the programmer can see why the code is written that way while hunting for sources of error
  4.    All of the above
  5.    None of these
 Discuss Question
Answer: Option D. -> All of the above


N/A


Question 55. The first computers were programmed using
  1.    assembly language
  2.    machine language
  3.    spaghetti code
  4.    source code
  5.    None of these
 Discuss Question
Answer: Option B. -> machine language


N/A


Question 56. __ are attempts by individuals to obtain confidential information from you by falsifying their identity.
  1.    Phishing trips
  2.    Computer viruses
  3.    Spyware scams
  4.    Viruses
  5.    Phishing scams
 Discuss Question
Answer: Option A. -> Phishing trips


N/A


Question 57. The system unit____
  1.    coordinates input and output devices
  2.    is the container that houses electronic components
  3.    is a combination of hardware and software
  4.    controls and manipulates data
  5.    does the arithmetic operations
 Discuss Question
Answer: Option B. -> is the container that houses electronic components


N/A


Question 58. Why is it unethical to share copyrighted files with your friends?
  1.    It is not unethical, because it is legal.
  2.    It is unethical because the files are being given for free
  3.    Sharing copyrighted files without permission breaks copy right laws.
  4.    It is not unethical because the files are being given for free.
  5.    It is not unethical-anyone can access a computer
 Discuss Question
Answer: Option C. -> Sharing copyrighted files without permission breaks copy right laws.


N/A


Question 59. The simultaneous processing of two or more programs by multiple processors is _______
  1.    multiprogramming
  2.    multitasking
  3.    time-sharing
  4.    multiprocessing
  5.    None of these
 Discuss Question
Answer: Option D. -> multiprocessing


N/A


Question 60. Which of the following can be used to select the entire document?
  1.    CTRL+A
  2.    ALT+F5
  3.    SHIFT+A
  4.    CTRL+K
  5.    CTRL+H
 Discuss Question
Answer: Option A. -> CTRL+A


N/A


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