UNIVERSITY OF MAURITIUS FACULTY OF LAW AND MANAGEMENT

FIRST SEMESTER EXAMINATIONS

CERTIFICATE IN MANAGEMENT (RODRIGUES)

DATE

WEDNESDAY 26 MAY 2004

SERIES

MAY 2004

MODULE

INTRODUCTION TO

INFORMATION TECHNOLOGY

[CSE 1010e]

TIME

15.30 – 17.30

INSTRUCTIONS TO CANDIDATES

TIME ALLOWED: 2 HOURS

NO. OF QUESTIONS SET:

SECTION A: 40 SECTION B: 20

SECTION C: 4

NO. OF QUESTIONS TO BE ATTEMPTED:

SECTION A: 40 (Compulsory) SECTION B: 20 (Compulsory)

SECTION C: Answer any two (2) questions

Section A: Answer ALL questions Multiple Choice Questions: Each question carries one (1) mark (Total: 40 marks) Section B: Answer ALL questions Fill in the Blank Questions: Each question carries one (1) mark (Total: 20 marks) Section C: Answer any Two (2) questions Structured Questions Each question carries twenty (20) marks ALL QUESTIONS ARE TO BE ANSWERED IN THE ANSWER BOOK PROVIDED.

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SECTION A Multiple Choice

1. The CPU is an example of

(a) a software (b) an hardware (c) a program (d) an output

2. The raw material to be processed by a computer is

(a) a program (b) software (c) data (d) information

3. Printers and screens are common forms of

(a) input units (b) storage units (c) output units (d) processing units

4. The main memory is also known as

(a) a register (b) mass storage (c) secondary storage (d) primary storage

5. Memory capacity may be expressed in

(a) MIPS (b) MHz (c) Megabytes (d) Cycles

6. A bus consists of

(a) registers (b) data paths (c) transistors (d) machine cycles

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7. The main circuit board in a PC is the

(a) mother board (b) ram/bus board (c) ASCII board (d) masterboard

8. Which of the following is not part of the CPU?

(a) Control Unit (b) ALU (c) Processor (d) Main storage

9. Computers of the second generation made use of

(a) vacuum tubes (b) Integrated Circuits (c) transistors (d) LSIs

10. To retrieve information from a database, users type instructions in

(a) Fortran (b) mnemonics (c) assembly (d) query languages

11. Von Neumann revolutionized computing when he conceived

(a) the micro chip (b) the stored-program concept (c) the OS (d) the Internet

12. An ink-jet printer is an example of a(n)

(a) laser printer (b) impact printer (c) a scanner (d) non-impact printer

13. A screen that is lighter than a CRT is a(n)

(a) OCR (b) terminal (c) LCD (d) monitor

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14. Resolution of a screen is measured by

(a) dots per inch (b) pixel density (c) megahertz (d) megabytes

15. To communicate with a computer, physically challenged people make use of

(a) voice-output devices (b) scanners (c) digitisers (d) touchscreens

16. A magnetic tape is an example of

(a) primary storage (b) random access storage (c) sequential access storage (d) direct acces storage

17. Data can be retrievd from a CD-ROM by using a

(a) mechanical disk (b) laser beam (c) mechanical arm (d) spindle

18. We have a syntax error when

(a) the rules of a programming language are violated (b) a program is not compiled (c) there is an incorrect calculation (d) data are wrongly entered

19. A translator that converts the entire program into binary code before executing it

is

(a) Pascal (b) a compiler (c) an interpreter (d) a query language

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20. The first step in programming is

(a) coding (b) program specification (c) testing (d) maintenance

21. To repeat a process as long as a condition remains true, a programmer makes use

of

(a) selection (b) a loop (c) a sequence (d) a procedural language

22. Loading the OS into a PC is called

(a) booting (b) prompting (c) pipelining (d) paging

23. The technique that avoids the mixing of printouts from several programs is

(a) paging (b) time-slicing (c) spooling (d) queuing

24. To run a program which is larger than RAM we have recourse to

(a) buffering (b) double buffering (c) multiprocessing (d) virtual memory

25. A PC can run two or more programs simultaneously by making use of

(a) multiprocessing (b) multiprogramming (c) UNIX (d) buffering

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26. A record of office expenditures is best maintained by making use of

(a) word processing (b) spreadsheet (c) DBMS (d) presentation software

27. Employee details are best maintained by making use of

(a) Word Processing package (b) spreadsheet software (c) database software (d) presentation graphics

28. Software that is written especially for the specific needs of an organization is

called

(a) freeware (b) shareware (c) special purpose software (d) public domain software

29. An example of tangible benefit is

(a) faster information retrieval (b) reduced expenditures (c) more timely reports (d) less errors

30. An example of intangible cost is

(a) purchase of printers (b) buying of new software (c) apprehension of using new system (d) programmers’ salaries

31. To analyse a system, an analyst uses a(n)

(a) systems flowchart (b) DFD (c) entity (d) questionnaire

32. A new system can be tested by

(a) training the users (b) running it in parallel with the old system (c) testing the programs (d) interviewing the users

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33. Transmission permitting data to move in both directions but only one way at a

time is called

(a) half-duplex (b) full-duplex (c) simplex (d) half simplex

34. For the transmission of data, SAFE makes use of

(a) satellites (b) microwave (c) twisted pair (d) fibre optics

35. When two or more computers are connected to a central hub computer we have a

(a) hierarchy network (b) star network (c) ring network (d) bus network

36. A network of computers spanning Rodrigues island would be a

(a) LAN (b) WAN (c) bus (d) NAN

37. A Web site’s initial page is called a(n)

(a) home page (b) web page (c) entry page (d) primary page

38. The software needed to surf on the Internet is called a(n)

(a) ISP (b) URL (c) http (d) browser

39. To construct a web page we make use of

(a) HTML (b) Netscape (c) Hyperlinks (d) Search engines

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40. The first part of a URL is the

(a) Protocol (b) Location (c) Domain (d) server

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SECTION B Fill-in-the-blanks

1. For data to be processed it must be placed in the ______________________. 2. Medium sized computers are also known as ___________________________. 3. A CPU found one chip is known as a __________________. 4. MIPS stands for ___________________________. 5. Hard disk capacity is expressed in ________________. 6. Third generation computers were a ______________ times faster than first generation computers. 7. LCD stands for ___________________________________ . 8. A(n) ________________ printer uses a mechanical head of retracting pins to print characters. 9. If a read/write head touches a hard disk surface, this is called a _________________. 10. Data are read on ___________ disks by means of a laser beam. 11. The technique that lets two or more programs execute concurrently is __________________. 12. A technique for speeding up data transfer between memory and a slow peripheral is _______________. 13. The intersection of a row and column on a spreadsheet is called a(n) __________. 14. The kind of analysis that lets a user change spreadsheet values and then observe the resulting effect is called ________________. 15. The data analysis tool that shows a system in a lot of details is the __________________. 16. The device that converts a digital signal to an electrical signal and vice versa is a(n) ________________. 17. A(n) ____________ network links all computers together in a circular chain.

18. To access the Internet we need to have an account with a(n) ________________.

19. Doing on-line shopping on the Internet is known as _______________. 20. The area of IT which deals with health related issue`s is known as ____________.

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SECTION C Open-Ended Answer any two(2) of the following: Question 1 (a) What do you understand by the term ‘configuration’? What is the minimum

configuration needed to make use of Microsoft Office? (1 + 2 marks) (b) Illustrate by means of a sketch the computation process inside a computer.

(4 marks)

(c) What does CMOS stand for? Briefly explain its importance. (4 marks) (d) List three examples of extension cards and state what they do. (3 marks) (e) Describe briefly the functions of the following:

(i) a port (ii) cache (iii) system clock (6 marks) Question 2 (a) What are the three logical structures used in programming? (6 marks) (b) What are the methods available for debugging a program?

(4 marks)

(c) What are the inputs needed (in a program) to calculate the electricity bill of a consumer? (2 marks)

(d) By making use of a flowchart, show the processes involved for producing the electricity bill. (8 marks)

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Question 3 (a) Indicate by means of a flowchart the different phases of the systems development

cycle. (5 marks)

(b) Describe briefly the different techniques available for gathering information during systems analysis. (8 marks)

(c) What is the purpose of a context diagram? (2 marks)

(d) By making reference to a suitable system, show the different symbols used in a context diagram. (5 marks)

Question 4 (a) Illustrate by means of diagrams the different types of networks that exist.

(8 marks)

(b) What is a meta-search engine? (2 marks)

(c) How would you distinguish the World Wide Web from the Internet? (4 marks)

(d) What is a computer virus? What are the different types of viruses and how can we deal with them? (6 marks)

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