COMPUTER APPLICATIONS TECHNOLOGY
Paper 2
JUNE 2010
GRADE 12
JUNE 2011
MARKS: 150
TIME: 3 hours
EXAMINER: M. Shone
MODERATOR: S. Moji
This question paper consists of 11 pages.
2
INSTRUCTIONS AND INFORMATION
1.
This question paper consists of TWO sections, namely SECTION A and
SECTION B.
2.
Answer ALL the questions.
3.
Read ALL the questions carefully.
4.
Number the answers correctly according to the numbering system used in this
question paper.
5.
Write neatly and legibly.
6.
Answer in full sentences.
Now, set to work!
GOOD LUCK!
3
SCENARIO
Your father has been elected to serve on the committee of the local running club. As a
committee, they wish to save all data, times, license numbers etc. of runners in an electronic
version. They can use this to work with other clubs in the forthcoming Comrades marathon.
Your father, as well as the chairperson, is not sufficiently informed about hardware, software,
networks and security matters. They ask you, as a CAT learner for advice on certain
matters. Please assist them in their quest to establish an appropriate database that will
capture all activities and data required.
SECTION A
QUESTION 1
Various possible options are provided as answers to the following questions. Choose the
answer and write only the letter (A - D) next to the question number (1.1 -1.10) in the
ANSWER BOOK, for example 1.11 D.
1.1
Which ONE of the following does NOT influence the performance speed of the
computer?
A
B
C
D
1.2
(1)
The Comrades organizers have branches in different countries of the world. Which
ONE of the following network types would they use?
A
B
C
D
1.3
Motherboard
RAM
Hard drive
CPU
LAN
WAN
PAN
MAN
(1)
Which one of the following restricts unauthorized access to and from a computer
network?
A
B
C
D
Firewall
Modem
UPS
3G Card
(1)
4
1.4
Which ONE of the following is not a consideration when choosing an ISP?
A
B
C
D
1.5
http
URL
html
www
(1)
pie chart
line chart
scatter chart
bar chart
(1)
A wireless connection whereby electronic devices communicate with each other over
a short distance:
A
B
C
D
1.9
(1)
This chart is normally used to compare parts of a unit, e.g. a chart that can be used to
indicate what part of a budget was used for food, how much for clothing, etc.
A
B
C
D
1.8
Cc
To
Bcc
Forward
Which one is another name for a web address?
A
B
C
D
1.7
(1)
Which ONE of the following e-mail options allows you to send a copy of the
message so that the recipient's name is visible to other recipients of the message?
A
B
C
D
1.6
The amount of data that can be sent per month
The location of the service provider
The availability of a help service which is available after hours
The type of Internet software
Wi-Fi
Ethernet
3G
Bluetooth
(1)
The digital divide refers to the ….
A
B
C
D
availability of and access to technology
use of technology in rural and urban areas
use of new versus old technology
use of digital versus analogue technology
(1)
5
1.10
Which one of the following file extensions is associated with a hyperlink?
A
B
C
D
.bmp
.exe
.htm
.avi
(1)
[10]
QUESTION 2
Choose a term/concept from COLUMN B that matches a description in COLUMN A. Write
only the letter (A - P) next to the question number (2.1 - 2.10) in the ANSWER BOOK
A
COLUMN B
UPS
B
Spooler
C
Intranet
D
Macro
E
GUI
F
Bios
This software places print jobs (Results 2011) in a
queue after receiving instructions from the operating
system.
G
Ethernet
H
Drivers
Software used by the operating system to communicate
with peripheral devices such as printers.
I
Hot Spot
J
Databases
A feature of many application programs that allows one
to quickly duplicate or repeat a sequence of keystrokes
and/or mouse actions.
K
VoIP
L
CMOS
2.8
A computer application that could be used by Comrades
officials to maintain details of runners.
M Spreadsheet
N
Kbps
2.9
A type of microchip that keeps the data also when the
electricity is switched off.
O
Modular design
Most popular LAN architecture.
P
Cold Reboot
2.1
2.2
COLUMN A
It contains graphics and icons and is commonly
navigated by using a computer mouse.
The speed at which your computer can send and
receive information.
2.3
To switch off the computer in the correct way and
to switch it on again.
2.4
Technology that will allow voice conversation between
Comrades officials via a network.
2.5
2.6
2.7
2.10
[10]
6
SECTION B
QUESTION 3
3.1
The club decides to buy five new computers. Explain to them –
3.1.1
Why you decided on a SATA hard drive and not an IDE hard drive?
(1)
3.1.2
Your father was of the opinion that two GIG RAM would be sufficient, but you
insisted on four GIG RAM. Why?
(1)
3.2
They get a modem with the computers. What is the function of the modem that they
received with the computers?
(1)
3.3
You would like to have a digital camera to be able to record the events leading up to
the Comrades. You decided on the following 10 megapixel digital camera.
3.3.1
Why did you decide on a 10 megapixel and not a 8-megapixel camera?
(1)
3.3.2
What does the abbreviation “pixel” stands for?
(1)
3.3.3.
3.3.4
Name the most common device used for storage of pictures on the camera.
(1)
Explain the difference between the quality of pictures/photos that need to be
viewed on-line only, compared with those that need to be printed.
(2)
3.4
You would like to be able to print high-quality colour photographs taken of the event.
Recommend the best type of printer to perform these tasks.
(1)
3.5
When you wanted to print a document for the first time after you received the brand new
computer, it would not print. You checked all the connection, the printer was plugged in
at the correct port and at the wall jack and there was paper inside the printer. What
was wrong?
(2)
3.6
Eskom is warning the public about power failures during the winter months.
Which hardware component should you purchase to overcome this problem?
3.7
3.7.1
(1)
Your father invited the club committee to your house for a meeting. You used your
father’s laptop for the meeting so that they did not have to meet in your room where
your desktop is.
How did you transfer your meeting documents from your desktop computer to the
laptop?
(1)
7
3.7.2
You wanted to establish the size of the hard drive of your father’s laptop. Where
can the size of a hard drive of a computer be viewed?
(2)
3.7.3
Mention one disadvantage of purchasing a desktop computer instead of a
laptop.
3.7.4
3.8
(1)
Keep upgrading in mind and explain why this is an disadvantage when a user
purchases a laptop.
(1)
You want to copy the photos that you have taken at the marathons to DVD’s.
3.8.1
What is a Blu Ray Disc?
(2)
3.8.2
Will all the club members be able to read the Blu Ray discs on their computers?
Motivate your answer.
(2)
3.9
You want to play computer games on the new computer.
recommended in a computer when you play computer games?
Why is more RAM
(1)
3.10
Your CAT teacher suggested that you start up your computer in safe mode when you
experience any problems.
3.10.1
When will a computer normally start up in safe mode?
(1)
3.10.2
Will it be possible for you to work on your computer while it runs in
safe mode? Motivate your answer.
(2)
3.11
Kgosi complains that his computer does not have enough USB ports.
3.11.1
Which other device can do the same work as the USB, but it is much faster. (1)
3.11.2
He has to unplug his USB printer every time he wants to use his flash disk/drive.
Suggest another solution than your answer in 3.11.1 to solve this problem.
(1)
3.12
The committee needs a hard copy of the logo that appears at the top of the
letterhead. They were disappointed! The WordArt heading on the first line did not
come out. What could have been the problem? Explain briefly.
(2)
3.13
Name THREE potential disadvantages of using a CD, Flash disk or MP3 player as
compared to saving on the hard disk.
(3)
3.14
What is the difference between a single and a double layer DVD?
3.15
Name TWO critical hardware upgrades that could be done so that the speed of the
computer system could be improved. Motivate EACH one of them.
(4)
3.16
They wish to set up a small independent network.
requirements that must be in place for them to do so.
(2)
Name TWO hardware
(2)
8
3.17
Daniel, as a parent, is concerned that the computer he is using at home is not
suitable for social networking. He has submitted the following specifications of his
laptop and asks for your opinion:
Intel Core 2 Duo
3.2 GHz processor
1GB RAM
250 GB Hard Drive
Graphics Card
Firewire
5-in1-card reader
3.17.1
Daniel will have to buy additional hardware to access the Internet.
hardware will he have to buy and why?
3.17.2
Daniel is very happy about having a separate graphics card. Name ONE specific
advantage of having a good graphics card when using YouTube.
(2)
What is the purpose of having a card reader on the laptop?
(1)
3.17.3
3.18
What
(2)
Currently the laptop cannot be used for video/web conferencing.
3.18.1
Which component must be added to allow for video/web conferencing?
(1)
3.18.2
How does video/web conferencing contribute to cost saving?
(1)
3.19
You explained to your father that you would use your Blackberry often to assist them.
What is the difference between a Blackberry and a normal cell phone?
(1)
[47]
QUESTION 4
4.1
You e-mailed letters to businesses to request a possible sponsorship for Comrades
jackets. In the end, the clothing was sponsored, but your computer was infected with
viruses!
4.1.1
Which two things indicated to you that your computer was infected?
4.1.2
One of your friends suggested that you use a firewall. Explain what a firewall is and
how it works.
(2)
4.2
4.3
Explain what phishing is.
(2)
(1)
You bought a new on-line computer game.
4.3.1
On the game, it gave the Minimum Requirements and Recommended
Requirements. What is the difference?
(2)
4.3.2
You do not have internet access on your desktop computer. Will it be possible
for you to play the FIFA 10 Soccer game? Motivate your answer.
(2)
9
4.4
The secretary warns each member to use the back-up utility of the operating system
to archive all files used during the Comrades, which are stored on their hard drives,
to another folder.
4.4.1
Taking the reason for making backups into account, why is this warning not
appropriate?
(1)
4.4.2
Name THREE things to take into account when back-ups are made.
4.4.3
MS Word includes a number of ways to back up and recover your documents. How
do you activate TWO of them?
(2)
(3)
4.5
The club would like to connect to the Internet to do entries electronically. Which type
of program is essential if they wish to surf the Internet? Give one example of such a
program (brand name).
(2)
4.6
William, one of the athletes has a very advanced graphics program on his computer
at home. He would like to install the software on all the computers on the network.
He has uninstalled it at home to make this installation legal. Leonie does not agree.
Comment on the situation described above by referring to the legal considerations.
(2)
4.7
A couple of photos were printed in a brochure. What is a caption and how do you
use it?
(3)
[22]
QUESTION 5
5.1
Before you could connect to the Internet, you had to consider the ISP and the
BANDWIDTH.
5.1.1
What is the function of the ISP?
(1)
5.1.2
Explain why BANDWIDTH is a very important consideration when
using the Internet.
(2)
Why is broadband connection a good choice?
(2)
5.1.3
5.2
The management also considered wireless internet connection. Name ONE
disadvantage and ONE advantage of using a wireless internet connection.
(2)
5.3
Some of the overseas paricipants are interested in the availability of wireless hot
spots in South Africa.
Explain what a hot spot is.
5.4
(2)
Leon works for TELKOM. He was surprised that nobody mentioned something about
ADSL lines during the meeting! One of the committee members replied that they are
aware of disadvantages of using ADSL lines. Mention TWO disadvantages of using
an ADSL line.
(4)
10
5.5
Many pictures were scanned as bitmaps into a word processing document. You tried to
e-mail this document to the runners. Every time you wanted to send the email with the
attachment you received a message that it could not be sent.
5.5.1
Assuming that there is nothing wrong with the e-mail system, give ONE possible
reason why this happens.
(1)
5.5.2
Suggest TWO ways of solving this problem.
(2)
5.6
Apart from the possibility of downloading a virus, name TWO other problems associated
with using e-mail.
(2)
5.7
The team members debate the topic of using Internet banking for payment of entry fees
and subscription.
5.7.1
Identify TWO possible benefits of Internet banking for the club.
5.7.2
Identify TWO benefits to the bank if more people were to use the Internet to do their
banking.
(2)
5.7.3
Explain what the word encryption means.
5.7.4
Apart from encryption, explain TWO ways in which banks overcome Internet crime.
(2)
5.8
(2)
(1)
The members are also parents are worried because of all the things they hear about
social networks. Respond to the following:
5.8.1
Are there any advantages when using Mxit? Name TWO
(2)
5.8.2
They have heard that social networking puts your computer at risk of being
infected with viruses.
5.8.2.1
Explain TWO precautions one can take to prevent virus infections.
(2)
5.8.2.2
What is the difference between spyware and adware?
(2)
5.8.2.3
When you visit some social networking sites, irritating advertisements sometimes
appear on the screen. How can you stop this from happening?
(2)
5.9
You warned the committee that they do not have sufficient cap. What does the term
“cap” refer to?
(1)
5.10
The team downloads their work to the network in the computer centre at the
clubhouse. Discuss TWO advantages of using a network in the computer centre. (2)
5.11
What does the abbreviation http stands for? What is the difference between http://
and https://?
(2)
[38]
11
QUESTION 6
6.1
Explain two different ways to ensure that long headings
continue in a second line.
6.2
The formula listed in one of the cells is =$C$1*B3.
(2)
Name and explain the difference between the TWO types of cell references used in
the above formula.
(4)
6.3
The team designs a database to record data of all participants. It contains the
following fields: Name, ID, Cell number, Address, Club, Qualifying time.
6.3.1
Which data type will you use to enter the cell phone number? Motivate your
answer.
(2)
6.3.2
Which field will you assign as primary key? Give a reason for your choice.
(2)
6.4
In your database, you want to use a table that was created in Excel. Explain how to
import this table from excel.
(4)
6.5
What feature of a database (report) would you use to display the names of the
runners according to their clubs?
(1)
6.6
Which TWO fields would be suitable to insert an input mask? What is the purpose of
an input mask?
(3)
6.7
You want to insert the birth date of each runner. What formula could you use to copy
the first six digits of their ID numbers?
(2)
6.8
When you insert the formula =A2/B2, the following
result appears: #VALUE. Assuming the cells are
formatted correctly, what is the reason for this?
(1)
6.9
The committee needs to create a unique number for each runner by combining his or
her Comrades number (G5) with his or her license number (H5).
Which formula would you use?
(2)
[23]
Total 150