Information Systems: Role in Organisations and Infrastructure

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SECTION A (Total 40 marks) Answer ALL the questions in this section. Question 1 (a) Briefly explain the key differences between HTML and XML. (8 marks)

(b)

Describe how an RFID system works. Name three disadvantages in adopting its use. (10 marks)

(c)

What is meant by the term grid computing ? Why has this form of computing become more popular only in the present decade ? (8 marks)

(d)

Distinguish between online analytical processing and data mining. (8 marks)

(e)

Identify the computer crime tactic used in each of the following scenario: (i) directing a Web user to a bogus web site even when he has entered a valid URL eavesdropping on the data travelling on a network flooding a server with an avalanche of service requests to crash the network (6 marks)

(ii) (iii)

ICT219 Copyright © 2008 SIM University Examination – January Semester 2008

Page 2 of 4

SECTION B (Total 60 marks) Answer ALL the questions in this section. Question 2 (a) The Internet offers a variety of services, such as email. Identify the service that support each of the following function: (i) (ii) (iii) (iv) transferring files from one computer to another live, interactive conversations logging onto one computer and doing work on another retrieving information using hypertext links (4 marks)

(b)

(i)

Explain the phrase multitiered client-server computing. (4 marks)

(ii)

Figure Q2 below shows a client with a web browser accessing data from a company’s database. Suggest suitable names for the network components marked A, B, and C. Describe the data accessing process from a client-server perspective.

A
Figure Q2

B

C

(16 marks)

(c)

Provide a short explanation on Web 2.0. Name two kinds of innovations associated with Web 2.0. (6 marks)

ICT219 Copyright © 2008 SIM University Examination – January Semester 2008

Page 3 of 4…...

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