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Computer and Information Technology Part (2)

📆 October 14, 2024

Computer and Information Technology Part (2)

Total Questions: 50

1. Which of the following laser rays is used in laser printers? [I.A.S. (PRE) 2008 U.P.P.C.S.(PRE) 2009]

Correct Answer: (b) Semiconductor laser
Solution:Semiconductor lasers are solid lasers which are used in laser printers and CD/DVD. It works as a light emitting device. An Excimer laser (e.g. Exciplex laser) is a form of an ultraviolet laser which is commonly used in the production of microelectronic devices and eye surgery. A gas laser is mainly used to make holograms and is also used to read the barcode printed on various products. The dye laser is mainly used in astronomy and spectroscopy.

2. Which printer is usually used for desktop printing? [Uttarakhand P.C.S.(MAINS) 2002]

Correct Answer: (c) Laser printer
Solution:Desktop publishing or DTP is a modern technique of publishing. It is a wider range of low-cost, easy-to-use software that doesn’t require traditional design and pre-press skills to understand and use. Laser printer is usually used for desktop printing.

3. Daisy wheel printer is a type of: [Uttarakhand Lower Sub.(MAINS) 2013]

Correct Answer: (d) Impact printer
Solution:A daisy wheel printer is an early type of impact printer invented in 1969 by David S. Lee at Diablo Data Systems. Impact printers rely on a forcible impact to transfer ink to the media. Dot matrix printers are also categorized as an impact printer.

4. www on the Internet stands for: [Uttarakhand P.C.S. (PRE) 2005]

Correct Answer: (c) World Wide Web
Solution:www stands for World Wide Web. The inventor of this system was Tim Berners-Lee.

5. The full form of www is — [U.P.P.C.S.(pre) 2015 U.P.P.C.S.(mains) 2010 Uttarakhand Lower Sub.(PRE) 2010]

Correct Answer: (c) World Wide Web
Solution:www stands for World Wide Web. The inventor of this system was Tim Berners-Lee.

6. Who, among the following is considered as the inventor of the World Wide Web (www)? [M.P.P.C.S.(PRE) 2013 U.P.P.C.S.(pre) 2011 I.A.S.(pre) 2007]

Correct Answer: (c) Tim Berners-Lee
Solution:www stands for World Wide Web. The inventor of this system was Tim Berners-Lee.

7. Who is the inventor of www? [M.P.P.C.S. (PRE) 2017]

Correct Answer: (b) Tim Berners- Lee
Solution:www stands for World Wide Web. The inventor of this system was Tim Berners-Lee.

8. World Wide Web (www) is a hypermedia system because: [Uttarakhand.P.U.D.A./L.D.A.(mains) 2006]

Correct Answer: (b) It links to other computer resources
Solution:The World Wide Web is an information system of interlinked hypertext documents and other resources that are accessed via the internet. With the help of the web browser, users can visit web pages that contain text, images, video, and other multimedia items. Embedded hyperlinks permit users to navigate between pages.

9. The collection of linked information residing on computers which is available through the internet is called: [M.P.P.C.S. (PRE) 2018]

Correct Answer: (c) World Wide Web
Solution:The World Wide Web is an information system of interlinked hypertext documents and other resources that are accessed via the internet. With the help of the web browser, users can visit web pages that contain text, images, video, and other multimedia items. Embedded hyperlinks permit users to navigate between pages.

10. Computerization of a system needs — [Uttarakhand P.C.S. (PRE) 2005]

  1. A will to do it
  2. Related financial resources
  3. Training of manpower
  4. An ultra-modern structure

Select the correct answer from the code given below:

Code:

Correct Answer: (d) All the above
Solution:In computerization of a system, there is a need of  will power to do it along with financial resources and ultra- modern structure. There is also need to train manpower.

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