Which of the following is a program initially designed to prevent phosphor burn-in on CRT and plasma computer monitors?

Question

Options

• AScreensaver
• BMonitor saver
• CDebugger
• DSpider

• A
  78% (39)
• B
  4% (2)
• C
  12% (6)
• D
  6% (3)

Explanation

A screensaver is a program initially designed to prevent phosphor burn-in on CRT and plasma computer monitors by blanking the screen or filling it with moving images or patterns when the computer is not in use. Modern screensavers are used primarily for entertainment or security. Answer option D is incorrect. A spider is an automated program, such as a search engine, indexing program, or cataloging software. It requests Web pages much faster than human beings can. A spider is also known as crawler and robot. Answer option C is incorrect. A debugger is a special application program that is used to find bugs in other programs. It allows a programmer to stop a program at any point of time and examine and change the values of the variables. It is the program execution platform that allows Pausing the program execution at any time Inspecting the values of the program variables Modifying the values of the program variables Calling the methods of the program randomly The steps in debugging are as follows: 2.Develop a hypothesis 3.Perform experiments 5.Prove or disprove the hypothesis Answer option B is incorrect. There is no program such as Monitor saver.

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