Is 2008 Final Paper

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SLIIT ••••••

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Sri Lanka Institute of Information Technology

B.Sc. Special Honours Degree / Diploma In

.Information Technology Final Examination Year 1, Semester 1 (2008)

Information Systems -1 (100) I

Duration: 3 Hours

Tuesday,

17th

I

of June 2008

Time: 1:00 p.m.r-> 4:00 p.m.

Instructions to Candidates • This paper contains FIVE (5) questions on four (4) pages. • Answer ALL questions. • The .. entire exam is worth 100 points. The point value of each question ISgIven. • Write your answer in the WORK BOOK provided.

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(20 Marks)

Question 1: r ". 1

(a) What is an information system?

:'

. .•"\d (2 Marks)

(b) What is the difference between data and information?

(2 Marks)

(c) Give one example each for data and for infonnation.

(2 Marks)

(d) How do businesses benefit from information systems? Give three reasons. (3 Marks) (e) Indicate five types of computer-based information systems used in business organizations today? Give an example of each.

(5 Marks)

(t) Indicate your main career goal and briefly explain ~ow information systems would help in achieving this goal?

(6 Marks)

Question 2:

(20 Marks)

(a) Describe five of the basic information processing activities used in businesses. (5 Marks) (b) The infom1ation needs vary at different levels of management decision making in an organization? 1. Identify the three main levels of management decision making.

(3 Marks)

2. Give two characteristics of information needed for each . ...

(6 Marks)

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(c) To reduce production costs, many businesses manufacture their products in foreign countries. Also they purchase products from foreign manufacturers. Furthermore some businesses sell their products worldwide. Give three problems associated with information processing activities with respect to intemational market and intemational product?

(6 Marks)

Question 3:

(25 Marks)

The Admission procedure in a University is as follows: First an advertisement

appears

in major newspapers.

In this advertisement

the

qualification required for each course, the closing date of applications and fee to be enclosed are indicated. When the applications are received, a clerk in the registrar's office checks the received applications to verify the qualifications and the fee is enclosed. Then the clerk sends valid applications to the appropriate academic departments. The department checks the applications to select successful candidates. Then letters are sent to the applicants informing whether they are selected or not.

(a) Draw an E-R diagram to illustrate the university admission procedure and make sure to indicate the relations.

(10 Marks)

(b) Draw a DFD to illustrate the processes, extemal entities, data flows and data stores related to above admission procedure.

(15 Marks)

3

(20 Marks)

Question 4:

Do you agree with the following statements? Justify your answers in each case. (a) "Information technology in a company has no known negative impacts on employees" (5 Marks) (b) "Two of basic characteristics of group collaboration are 'when' and 'who'" (5 Marks) (c) "A computer can be the object of the crime, rather than the tool for committing it" (5 Marks) (d) "Secure systems ensure privacy"

(5 Marks)

Question 5:

(15 Marks)

(a) List four types of IS professionals in an information systems development project team?

(2 Marks)

(b) Identify three tools available for system design and give one advantage each of using these tools?

(3 Marks)

(c) Briefly describe three types of feasibility; technical, operational, and economic. (6 Marks) (d) What would constitute a virtual company?

-----------------------End

(4 Marks)

of the Question Paper----------------------

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