Summer 08

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S'08: 2 FN: AN203/ AD303 (1403) COMPUTING :\:\1) lNFOR\L.\TICS Time : Tbrcc hours

Maximum marks: 100 Answer

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questions, taking A.,'\-Y r;'.-o from Group A,

A.'\I-T\\'Ofrom Group B :md All..from

Group C...

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All parts of a que~fjon (a, b, etc.) should be answered at one place. Answer

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sllOuldbe brief a.ndto-the-point and be supple-

mented with neat sketches. Un.rJ!xessary long anslVCT may resuit in loss of marks. Any missing or wrong dara may be assumed suitably giving prop~ justificatiolJ. FjguTes on the right-hand

side margin indicate full marks.

Group A i

Exr'lalnyouransw~rusmgsuitableexamples. (b)

What

are the advantages

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of C++ programnlmg

compa!"ed 1:0C programming?

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Write a C ++ program to read 20 integral numbers from

k.eyboard and from these separately print the foHowing: (E) .AJ]even numbers, (b) All odd numbers. ( c ) All numbers that are perf eet squares.

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1. (a i Mention at least three" important features of C++ programmirlgthat are different from C programming.

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2. (a J \Vhat are constructors

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(b) Definea structurecontainingbookname, book access number, author name. rack number at which book is located. Make suitable assumptions regarding the 4 size and type of these data.

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in C++?

Explain their use with suitable examples.

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and destructors

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( c) Det;ine an array of book structures using the structure definition of part ( b ) of this question. Write a method to sort the array of book structures in ascending order 8 of access number.

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(a) Explain the difference between a L..\N and a WAN.

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-'b) Explain, with the help of a schematic diagram, how LA..N"s can be internetworked. 8

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(c) Explain how reliable transmission of data is achieved using TCP lIP even when the communication channel is noisy. 8

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4. (a) With the help of an example, explain how an informationsystem can be used for decisionmaking. 7

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{b} In an informationsystem, whatproblems mightoccur if the data are stored in files rather than a database. management system (DBMS)? 6 (c) Develop the flow-chart representation for a program that would read an integer from the user-representing the number of terms in a Fibonacci series and then 7

print the tcnns in the series. .1

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Group B

5. (a) Give an algorithm to convert an octal number into a binary number.Using an exampk, explainhow the algorithmworks. 8 S'OR: 2 FN: AN203/AD303(l403} ( 2 J

( Continued)

( b) Draw a schematic diagram to show the different functional blocks inside a CPU and also show how they are interconnected. Briefly explain the roles of 6 different functional blocks.

(c) Explaindifferenttypes of secondarystorageusedin . computers. 6.

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(a) What is the difference between a system software and an application software? Give at least two examples of each. -- - - -

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( b) What is the difference between a compiler And a translator? Explain the relative advantages of these two techniques. 6 (c) What is the difference between multiprogrammed, multitasking and time-shared operating system? What is the advantage of a time-shared operating system over a multiprogrammed and a multitasking operating system?

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(a) What do you understand by a file system? How are files organized in the file system of Unix? 7 (b) Usinga schematic block diagram, explain how CPU, memory, secondary storage, and the input/output units are interconnected in a computer. Explainhow 7 they interact Witheach other. ( c) Briefly explain the main functions of an operatipg system. 6

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(a) Draw the truth table for the Boolean function ABC+A8C+AB. 5 ( b) Realize the Boolean expression of Q. 8 (a ) by using logic gates. 5 ( c) What do you mean by a virtual memory operating system? What are its advantages over an operating system using-physical memory only'?

S'08 : 2 FN : AN203/AD303(1403) ( 3 )

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(Turn Over)

( d) What is Cache memory '?How does Cache memory improve the performance of a computer'?

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Group C \

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9. Identify whether the following statements are true or false. Also,justifyyour cho,iceinone sentence. Allprogra-

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mmL11grelated questions refer to C -- :

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(i) A variable of type char can be used to store the integer 101.

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(jj) A variable defined within a function is visible to all

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functions onwards from its point of definition.

(ill) The dement referred to by array Example [5] is the sixth element of the array.

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(iv) The binary representation of the decimal number 45.25 is 101101.1101.

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( v) The hard disk is also known as the main memory of a cOJ:r.puter system.

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( vi) A minimum of four computers are required to establish a LAN. ( vii) The secondary m'~moryof a computer is also known as volatile memory.

( viii) A management information system is an exampl~ of a system program. {ix) Applicationprograms are easier to ""TItecompared to system programs. (x)

MS-DOS is an exampleDf a virtual memory operalllJg system.

~;"~Ii ~ FN : fu~2D31 AD303 (1403) ( .; )

AG-16.000