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Posted By: RAFI Member Level: Gold Posted Date: 17 Jun 2008
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2001 Indira Gandhi National Open University (IGNOU) B.C.A CS-611 : COMPUTER FUNDAMENTALS AND SOFTWARE, DEC 2001 Question paper
CS-611 : COMPUTER FUNDAMENTALS AND SOFTWARE
DEC 2001
There are five questions in this paper. Question 1 is compulsory and carries 30 marks, Attempt any three from the rest.
1. (a) What should be the configuration of a computer that is to be used at your home? Justify your answer. Categories the various terms used for configuration description under the broad categories: CPU,Memory, Input/Output devices and Bus or Interconnection structures. [5]
(b)How does a user interact with an operating system of computer?What is the need of an operating system in a computer? Can two operating systems be loaded in a computer at a time? Justify your answer. [5]
(c)What is meant by the term “Iteration”? Describe the use of a two dimensional array with the help of iteration. How is iteration different or similar to Recursion. [5]
(d)The protocol sued on internet is “TCP/IP”? What does the above statement mean in the context of data communication? Suppose that a LAN protocol which has been implemented on STAR topology LAN, can it be implemented on RING topology network? Justify your answer. [5]
(e)Describe the basic components of the graphical user interface giving an example each from MS-Windows. [5]
(f)What is a WORM in the context of computers? How is it different than computer virus? Can a worm be spread through e-mail messages? Can a virus spread through e-mail message? Justify your answer.[5]
2.Compare and contrast the following: [10]
(a) Batch Processing versus Multiprogramming.
(b) Registers versus Main memory versus Cache memory
(c) Assembler versus Compiler versus Interpreter
(d) System calls versus Command line interfaces.
3.(a)Describe the characteristics of distributed operating system. How isit different to that of Network Operating System? Is it essential that a distributed operating system must be a network operating system also. Justify your answer. [6]
(b)Differentiate the basic requirements of multitasking, multi process and time sharing operating systems. What are the basic requirementsfor a real-time operating system. [4]
4.(a)Compare and contrast the feature of various wired transmission media used in local area networks? What are the limitations of these wired media for Wide Area Network. [6]
(b)What is Electronic Data Interchange (EDI)? How is it different to E-mail? What are the hardware needed for connecting your computerto make use the features of EDI? [4]
5. (a)What situation/application would you like to use ‘Mailmerge’ feature of a Word Processor? Describe with the help of suitable example. [3]
(b)What are the basic utilities available in Windows to deal with somevery basic problems such as bad sectors, bad response time etc?[3]
(c)What are the basic threats to computer security? How can you counter a threat life “occurrence of a disaster” in the area computer is placed? [4]
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