Download SGBAU BSc 2019 Summer 2nd Sem Bioinformatics COmputer Fundamentals n Operating Systems Question Paper

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Time : Three Hours] [Maximum Marks : 80

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Note :— All questions are compulsory.

1. (a) Fill in the blanks :
   1. Primary and __ are the two types of memory.
   2. A __ is the interaction between row and column in a spread sheet in Excel.
   3. Windows is an operating system designed by __.
   4. __ is the command to change directory in UNIX.

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   (b) Choose the correct alternatives :
   1. __ is the base for the binary number system.
      1. (a) 10
      2. (b) 16
      3. (c) 8
      4. (d) 2

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   2. Which of the following is a model proposed for networking ?
      1. (a) ISO
      2. (b) OSI
      3. (c) CSI
      4. (d) NSO

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   3. __ is used to search information on web.
      1. (a) Search engine
      2. (b) Search web
      3. (c) Search URL
      4. (d) Find engine

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   4. Which of the following is not a network topology ?
      1. (a) Star
      2. (b) Bus
      3. (c) Engine
      4. (d) Tree

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   (c) Answer in one sentence each :
   1. What is HTTP?
   2. State the types of circulation for a page in MS-WORD.
   3. What is a chart ?
   4. What is a process ?

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2. (a) What is a compiler ? How does it differ from interpreter ?
(b) Explain the EBCDIC for representing data. (c) Describe the working of an inkjet printer.

OR

3. (p) Explain the various types of memory.
4. (q) Describe the working of a mouse.
5. (r) Convert the following decimal numbers to their binary equivalent :
   1. (i) 23

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   2. (ii) 78
6. (a) Describe the print dialogue.
(b) What is control panel ? Explain tools in it.

OR

7. (p) Write the procedure to change the background of the Windows Desktop.

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8. (q) What is Windows Explorer ? Explain.
9. (r) Explain the text formatting options in MS-WORD.
10. (a) List and describe the various mathematical functions in MS-EXCEL.
(b) Explain “Autosum” feature in MS-EXCEL. (c) What is TCP/IP ? Explain.

OR

11. (p) Describe the features of a web browser.

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12. (q) What are pie charts ? When are they used ?
13. (r) What is e-mail ? Explain.
14. (a) Explain the file system in UNIX.
(b) Describe the various states in which a process can be at any instance.

OR

15. (p) Describe various data structures used for process management.

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16. (q) Describe various commands in UNIX.
17. (a) Explain the various features of a Linux Operating System.
(b) Describe process scheduling in Linux.

OR

18. (p) Explain the services provided by Kernel.
19. (q) Explain interprocess communication in Linux.

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20. (a) What is LAN ? How does it differ from a MAN ?
(b) Describe the services provided by the network layer of OSI model. (c) What is “client” ? Explain.

OR

21. (p) Describe the “Ring” topology for networking.
22. (q) What are protocols ? State their need.
23. (r) What is a WAN ? Explain.

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