SCHOOL NAME

COMPUTER STUDIES/LITERACY

October 2013 1 hour 45 minutes

Candidates answer on the Question Paper. READ THESE INSTRUCTIONS FIRST

This paper consists of two sections: Section A and Section B. Section A Answer all questions. Section B Answer all questions from any three options. Write in dark blue or black ink in the spaces provided on the Question Paper. You may use a soft pencil for any diagram. The number of marks is given in brackets [ ] at the end of each question or part question.

The total of the marks for this paper is 100.

CLASS/SECTION

NATIONAL ASSESSMENT AT FORM III

NAME

MINISTRY OF EDUCATION AND HUMAN RESOURCES MAURITIUS EXAMINATIONS SYNDICATE

This document consists of 22 printed pages

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SECTION A

Answer ALL questions

Question 1

For each item, four options (A, B, C and D) are given. Draw a circle around the letter for the

correct answer.

(i) The Central Processing Unit (CPU) consists of ________________ .

A Control Unit, Primary Storage and Secondary Storage

B Control Unit, Arithmetic Logic Unit and Primary Storage

C Control Unit, Processor and Primary Storage

D Input, Output and Processor

(ii) Which one of the following is not an output device? A Scanner C Flat screen

B Touch screen D Printer

(iii) What is the main purpose of a secondary storage device?

A To increase the speed of the computer

B To install the Operating System

C To allow sharing of data

D To store data

(iv) When data is input in a computer for processing, the correct sequence of events taking place is ________________ .

A Output, Storage, Processing C Input, Processing, Storage and Input and Output B Processing, Output, Storage D Storage, Output, Processing and Input and Input

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(v) A BIT represents a/an _______________________.

A decimal digit C octal digit

B binary unit D hexadecimal digit

(vi) Which one of the following is a disadvantage of networking?

A File and data can be shared easily.

B Resources such as printers can be shared.

C Network users can access personal files of other users without their permission.

D Data can be easily saved and stored on the file server.

(vii) Which one of the following is a valid e-mail address? A http://www.abc.mu C http://www.abc@gov.mu

B abc@gov.mu D www.abc.mu

(viii) The height of your screen should be adjusted so that the ________________.

A bottom of the screen is C top of the screen is at eye level at eye level

B centre of the screen is D top of the screen is below at eye level the eye level

(ix) A set of instructions that directs a computer is called a ________________.

A storage C logic

B memory D program

(x) Which one of the following is responsible for managing a computer system?

A An application software C A graphical software

B An operating system software D An accounting software

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Question 2

Data can be stored by a computer either in its memory (internal storage) or on a backing store

(external storage). For each of the following, tick (✓) the items given in the table to state

whether they are used for Internal or External Storage.

Internal Storage External Storage

(i) RAM

(ii) Hard Disk

(iii) DVD

(iv) CD-ROM

(v) ROM [5]

Question 3 For each of the following tasks, write the name of the device in the space provided.

Tasks Device

(i) To control the movement of the cursor on a

monitor. ………………………………………..

(ii) To store about 4.7 GB of data on a disk that

can be recorded only once. ………………………………………..

(iii) To scan products in a supermarket. ………………………………………..

(iv) To print documents of Letter-Quality (LQ). ………………………………………..

(v) To capture sound and spoken voices. ………………………………………..

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Question 4 Match Column A to Column B by drawing an arrow as shown in the example below.

Column A Column B

(i)

A

is a company that offers its customers access to the Internet.

(ii) Web browser

B

is a tool used to find information on the Internet.

(iii) ISP

C is a collection of one or more web pages.

(iv) Multimedia

D is a shortened name for

World Wide Web.

(v) Website

E is a program that allows access to the Internet.

(vi) Search engine

F

is a combination of sound, graphics, video, animation to present information.

Question 5

Complete each statement below using one item from the given list.

PIN E-commerce Name Video-Conferencing

E-learning Tele-working E-banking

(i) To withdraw cash from a bank machine with a bank card, the customer keys in his/her

____________________ .

(ii) Working remotely from the office such as at home and submitting work through the

Internet is called ____________________ .

(iii) The term used to refer to learning and teaching with the use of electronic devices is

____________________ .

(iv) The use of Internet for the buying, selling and marketing of products and services is

called ____________________ .

(v) The use of computers and Internet to conduct a meeting with remote participants is

called ____________________ .

[5]

[5]

WWW

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Question 6

Tick () True or False next to each of these statements.

True False

(i) All banking services are available through ATM.

(ii) A password protects a computer system from a computer virus.

(iii) File attachment allows us to send files to another person through email.

(iv) A LAN refers to a group of interconnected computers which are situated across a large geographical area.

(v) A plotter is a device to produce high quality and large technical drawings.

Question 7

John enjoys playing computer games. He usually downloads his games from the Internet.

One day while using his computer, he discovers that his computer system is producing a lot of

strange messages on its screen. Several data files have disappeared from his computer. In

addition, he could not open a number of his files.

(i) Suggest what may have happened to John’s computer system.

………………………………………………………..…………………………………………

…………………………………………………………………………………………………..

………………………………………………..…………………………………………………

(ii) What should John do to remove the cause of the above problem?

……………………………………………………..……………………………………………

…………………………………………………………………………………………………..

…………………………………………………………………………………………………..

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(iii) Identify two other problems which John may encounter on his computer as a result

of the problem given in part (i).

1. …………………………………………………………………………………………...

……..…………………………………………………………………………………….

2. ……………………………………………………………………………………………

……………………………………………………………………………………………

(iv) State what could be done to recover the lost files and data.

……………………………………………………………………………………………………

……………………………………………………………………………………………………

(v) Give two measures John can take to avoid having problems in his computer.

1. ……………………………………………………………………………………................

……………………………………………………………………………………………….

2. ….…………………………………………………………………………………………….

…………………………………………………………………………….………………….

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Question 8 The widespread use of computers has led to an increase in associated health problems.

Identify two health problems related to the use of ICT equipment and state the causes.

(i) Health problem 1

………………………………………………………………………………………………..

………………………………………………………………………………………………..

Describe any two causes of the health problem.

1. ……………………………………………………………………………………….

2. ………………………………………………………………………………………..

Give two ways how the risk can be reduced.

1. ………………………………………………………………………………………..

2. ………………………………………………………………………………………..

(ii) Health problem 2

………………………………………………………………………………………………..

………………………………………………………………………………………………..

Describe any two causes of the health problem.

1. ……………………………………………………………………………………….

2. ………………………………………………………………………………………..

Give two ways how the risk can be reduced.

1. ………………………………………………………………………………………..

2. ………………………………………………………………………………………..

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SECTION B

Instructions

This section consists of four options: Word Processing, Spreadsheet, Database and Program

Flowchart.

Answer ALL the questions from any three (3) options.

Option 1 : Word Processing

Question 1

Come help Sam celebrate turning nine!

You are kindly invited to Sam’s 9th Birthday on

Saturday, 24th August 2013

11:00 – 15:00 hours

25 Royal Road

Coastal Ridge

Mont Carmen RSVP to Sam’s Mom

555-8574

B

A

C

D

E

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(i) Which feature of the Word Processor was used to create the heading labelled ?

…………………………………………………………………………………………. [1]

(ii) Which tool has been used to insert the graphic labelled into the card?

…………………………………………………………………………………………. [1]

(iii) What is the font style of the text labelled ?

…………………………………………………………………………………………. [1]

(iv) How has the address labelled been been formatted?

…………………………………………………………………………………………. [1]

(v) The information labelled has been added as a left footer. What is the meaning

of a footer in a document?

………………………………………………………………………………………… [1] Question 2 (a)

Write the meaning of each of the following features in Word processing.

(i) Paragraph formatting ……………………………………………………………………..

……………………………………………………………………………………………….

……………………………………………………………………………………………….

(ii) Cut and Paste ……………………………………………………………………………..

……………………………………………………………………………………………….

……………………………………………………………………………………………….

(iii) Scroll bar …………………………………………………………………………………...

……………………………………………………………………………………………….

……………………………………………………………………………………………….

C

D

E

B

A

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Question 2 (b)

The Print Dialog box below is used to set up a document for printing.

(i) How many blank sheets of paper will be needed to print this document if only one

side of the page is used? Justify your answer.

Number of blank sheets: ……………………..………………………………… [1]

Justification: ………..……………………………………………… [1]

(ii) What are the page numbers of the printed document?

........................................................................................................................... [1]

(iii) If you want to print the whole document, indicate with an arrow in the above

dialog box the button you have to click. [1]

(iv) What is the Print Option (not shown in the given Print Dialog) that you have

to choose in order to have a look at the document before printing?

…………………………………………………………………………………………. [1]

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Option 2: Spreadsheet

Question 1

Part of a spreadsheet is given below.

(i) Label the parts as indicated by the letters ……………………………………………………………………………………… [1] ……………………………………………………………………………………… [1] (ii) What is the address of the highlighted range of cells labelled as shown in the

above spreadsheet?

……………………………………………………………………………………………... [1]

A B

C

A

B

C

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Question 2

Hanson wants to go on holiday and has used a spreadsheet to work out how much he needs

to save. He has already entered all the necessary formulae to update his spreadsheet

automatically.

A B C D

1 Expenditure Unit Cost

(Rs.)

Quantity Total cost of

Expenditure (Rs.)

2 Travel ticket 25690 1 25690

3 Hotel rate (per night) 3500 7 24500

4 Evening dinners 750 7 5250

5 Daily spending money 2000 7 14000

6 Travel bag 1500 1 1500

7 Clothes 4000 1 4000

8 Inland tours 800 2 1600

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10 Total cost

of holiday

76540

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12 Already paid

13 Balance to pay

14 Monthly amount to save

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(i) The cost of the travel ticket is reduced by Rs 500.

(a) Which cell should Hanson change?

………………………………………………………………………………………… [1]

(b) Name two other cells which will change as a result.

1. …………………………………………………………………………………….. [1]

2. …………………………………………………………………………………….. [1]

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(ii) Which cell shows the total amount spent on clothes?

………………………………………………………………………………………………. [1]

(iii) Write the formula in each of the following cells:

(a) D2 ……………………………………………………………………………… [1]

(b) D10 ……………………………………………………………………………… [1]

(iv) Hanson has already paid for the travel ticket and the hotel. He wants to use his

spreadsheet to work out how much he needs to save each month for the next 6 months

to cover the rest of the costs. Give the formulae needed for the following cells.

(a) D12 …………………………………………………………………………….... [2]

(b) D13 …………………………………………………………………………….... [2]

(c) D14 …………………………………………………………………………….... [2]

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Option 3: Database

Question 1 A supermarket keeps details of items sold at the tills in a database to produce an itemized

receipt for its customers and to update the number of items in its stock. The structure of the

database is shown below.

Item table

item code

item description

price

number in stock

minimum stock level

reorder level

supplier code (i) What is a primary key field?

………………………………………………………………………………………………

……………………………………………………………………………………………… [2]

(ii) What is the importance of a primary key field?

………………………………………………………………………………………………

……………………………………………………………………………………………… [2]

(iii) Name the primary key field in the two tables in this database.

(a) Supplier table ……………………………………………………………………. [1]

(b) Item table ……………………………………………………………………. [1]

(iv) When orders are produced, records in the Supplier table must be linked to records

in the Item table. State which field in the Supplier table is to be linked to the

corresponding field in the Item table.

………………………………………………………………………………………………

……………………………………………………………………………………………… [1]

Supplier table

supplier code

supplier name

address

town

postcode

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Question 2

A database contains a file of computer items that are currently available.

CODE DESCRIPTION QUANTITY PRICE (RS.) DATE PURCHASED

2123 DVD Writer 20 4500 10/04/13

3124 Mouse 50 250 25/03/13

8541 RAM memory 45 1200 02/08/12

2145 Hard Disk 30 2500 10/04/13

3258 Power supply 25 950 17/08/13

2144 Keyboard 40 750 14/10/12

(i) Which field in the file should be used as a primary key field?

………………………………………………………………………………………….…… [1]

(ii) State the data type for entries displayed as “Quantity”.

……………………………………………………………………………………………… [1]

(iii) State the number of fields and records in the database shown above.

……………………………………………………………………………………………… [2]

(iv) Write the CODE of the items which will be listed when the following

search condition is used.

(QUANTITY > 30) AND (PRICE < 1000)

………………………………………………………………………………………………. [2]

(v) Write a search condition to list items whose prices are above 1000 and are

purchased on 10/04/13.

……………………………………………………………………………………………….. [2]

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Option 4: Program Flowchart

Question 1 (a)

Draw a suitable diagram to represent the control structure for ‘selection’ using the appropriate

flowchart symbols.

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Question 1 (b)

The following program flowchart inputs two numbers, m and n to perform a calculation and

then output the result.

START

INPUT m, n

Is

m + n=0?

OUTPUT

“Error”

Yes

X= (m * n)/(m + n)

OUTPUT X

No

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Complete the following table for the 3 sets of input data.

INPUT

OUTPUT

m n

8 8 (i) ……………………

-3 3 (ii) …………………..

-12 -4 (iii) …………………..

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Question 2 (a)

Complete the following program flowchart that inputs three numbers X, Y and Z and check if

these three numbers can be the length of the sides of a triangle. The two output messages are

either ‘POSSIBLE’ or ‘NOT POSSIBLE’.

(Use hint: Any side of a triangle cannot be greater than the sum of the other two sides)

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(ii) …………………………….

START

INPUT

X, Y, Z

(i)

……….

(ii)

……….

(iii)

……….

OUTPUT (iv)

……………………

END

OUTPUT (v)

…………………….

YES

YES

NO

NO

NO

(i) ………………………..……

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(v)

(iv) …………………………….

(v) ....………………………….

(iii) ……………………………. YES

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Question 2 (b)

Draw a program flowchart to input 20 numbers and output how many numbers are positive

and negative.

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