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ca,icwa,cwa,cs,exam,previous,past,question,papers,suggested,guideline,answers

CWA/ICWA Inter :: Information Systems

and Technology: December 2006ca,icwa,cwa,cs,exam,previous,past,question,papers,suggested,guideline,answers

I6(IST)Revised Syllabus

Time Allowed : 3 Hours Full Marks : 100The figures on the right in the margin indicate full marks.

Answer Question 1, which is compulsory, and any five from the rest.Marks

1. (a) For each part below, choose the most appropriate one and write its number only in theanswer sheet. Match column (1) with column (2):

(1) (2)

(i) Listserver (A) Meant for temporary work

(ii) Scratch file (B)Separating blocks of records on magnetictape

(iii) Noise (C) Providing administrative information

(iv) E-governance (D) Related to a database system

(v) IBG (E) Sending newsletter and e-mails

(vi) LIFO (F) A queuing technique(vii)Fourth generation (G) Identification of an Internet site

(viii) Broadband(H) Different kind of transaction at the same

time

(ix)HierarchicalStructure

(I) An interference with normal operation of asystem or device

(x) Domain Name (J) Very Large Scale Integration (VLSI) 1x10

(b) Put an appropriate word in the blank position:

(i)_______ of a file arranges records within a file in some defined sequence.

(ii)_______ are sets of corresponding tracks in all the surface in a disk pack.

(iii)_______ are information processing system frequently used by accountants,

managers and auditor to assist them in the decision making process.

(iv)_______ is a pictorial representation of an algorithm.

(v)_______means browsing for information over the Internet. 1x5

(c) Each statement below is either TRUE or FALSE. Choose the most appropriate one:

(i)HTML is a protocol used in Internet technology.

(ii)A Cyber Appellate Tribunal shall consist of one person only.

(iii)One of the major functions of Public Key infrastructure includes issuing and

1x5

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revoking public key certificates.

(iv)Trackballs in computers serve the same purpose as a Modem does.

(v)11101 is binary equivalent of decimal 29.

2. (a) "Bus has an important role to play in the functioning of a microprocessor". Brieflyexplain the statement and the role of various types of bus.

4(b) What do you understand by memory dump? What number systems are used for such

purpose and which one is easier to work with? 4

(c) Convert to binary:

(i)(890)10(ii)(345)8 4

(d) What is a Firewall? Can it prevent a virus from entering the system? What steps mustbe taken to prevent virus from infecting a computer? 4

Please turn over

( 2 )

F-6(IST)Revised syllabus

Marks

3. (a) what is meant by E-commerce? Mention at least four advantages offered by E-commerce. 4

(b) what is meant by digital signature and how is it created and verified? Explain youranswer with reference to key pair. 6

(c) Which Act defines Certifying Authority in India? Mention the functions of CertifyingAuthorities (CA) in India in the context of digital signature. 6

4. (a) Describe the functionality of a Client Server architecture. Where is it appropriate? 4

(b) "A computer works on programs which must be planned and documented." Pleaseexplain why planning is necessary prior to the programming and how Flow Chart andDecision Table are helpful to fulfill this objective. 6

(c) What are the implications of the following pairs of terminology in an information

system environment?(i)Validity check and Hash total

(ii)Syntax error and Logical error.

(iii)Auditing around the computer and Auditing through the computer. 2x3

5. (a) Explain the following terms used in connection with the working of the Internet:(i) Browser

(ii) Virtual Reality 2x3

(b) What is automated office? List down the components of the automated office and 6

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