CWA/ICWA Inter :: Information Systems and Technology: December 2005

*I-6(IST)* *Revised Syllabus*
Time Allowed : 3 Hours	Full Marks : 100
The figures in the margin on the right side indicate full marks.
Answer Question No. 1 which is compulsory and any five from the rest.
Marks

(a)

Match coloumn 1 with coloumn 2:

Coloumn A		Coloumn B
(i)	Off-the-self software	(a)	Several devices to share one communication line
(ii)	Cache memory	(b)	High speed data connection
(iii)	Multiplexer	(c)	Page printers
(iv)	Hubs	(d)	Logical error
(v)	Web browser	(e)	To evaluate single module within a program
(vi)	Leased line	(f)	Client software package
(vii)	DAT drives	(g)	Software development and market by conputer vendors
(viii)	Non-impact	(h)	Tertiary storage
(ix)	Bug	(i)	Common writing pointing
(x)	Unit testing	(j)	High speed buffer memory

1x10=10

(b)

Complete the following sentences by putting an appropriate word in the blank position:

(i)	The computer equipment and its components are collectively known as ________ .
(ii)	_________ is useful in designing logic circuits used by the processorsof the computer systems.
(iii)	_________ defined as the capacity to change the scheme at one level of database with out having to change the scheme of the next higher level.
(iv)	The ________ consits of a numcer of digits or characters or a combination of both to denote an entity.
(v)	The _________ of a network refers to the amount of data that can be transmitted over a given segment of communication media with a specific time.

1x5=5

(c)

Expand the following abbrevations:

(i)

A/D

(ii)

OLAP

(iii)

FGCS

(iv)

VRS

(v)

1x5=5

(a)

Convert the following from one number system to another system:

(i)	( 125.125 )₁₀ = ( ? )₂
(ii)	( 29C )₁₆ = ( ? )₈

2x2

(b)

Give the advantages and disadvantages of the magnetic tape.

(c)

Distinguish between the microprocessor and microcomputer.

(a)

What is database? Briefly describe the characteristics of the database.

2+6

(b)

What is DBMS? Mention any six advantages of DBMS.

2+6

(a)

What is multimedia processor?

(b)

Explain briefly the operationby an office automation system. Why is it required?

6+4

(a)

What is a virus scanner? Briefly describe the functions of virus scanner.

(b)

What is an interface device? Describe some of them that are commonly available.

2+8

Please turn over

( 2 )

I-6(IST)
Revised syallabus

Marks

6.	(a)	What do you understand by Detective controls, preventive controls and corrective Controls in the contest of auditing a computer system?	8
	(b)	What do you undeerstand by Quality in regard to software? describe briefly the main tools, which are generally employed for quality assurance of software.	8
7.	(a)	Briefly explain any three tools that are available to protect information against misuse.	8
	(b)	What is Intranet? Give the purpose and advantages of Intranet.	2+6
8.	(a)	Explain an Electronic payment system with an example. Give the applications of Electronic payment system.	6
	(b)	What are the steps required in auditing a computer applicationsystem? Eplain them.	10
__________