Grey High School

June 2019

COMPUTER APPLICATIONS TECHNOLOGY

Grade 11

Paper 2 – Written

TIME: 2.5 HOURS MARKS: 125

Examiner: L Thackray Smith Moderator: M Langenhoven

This question paper consists of 12 pages (cover page included)

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Instructions and information

1. The question paper consists of three sections: Section A (25 marks), Section B (72 marks)

and Section C – the integrated scenario (28 marks).

2. Answer all the questions.

3. Read the questions carefully, taking note of the mark allocations. In general, one mark is

allocated per fact. A two mark question would therefore require two facts, and so on.

4. Number the answers according to the numbering system used on this question paper.

5. Leave a blank line after each sub-question.

SECTION A

Question 1

Identify the correct answer for each question. Write down only the number of each question, and

next to it the single capital letter which represents the best answer, for example 1.11 A.

1.1 An eye-tracking device will be of most use to a person who suffers from…

A. visual impairment.

B. eye strain.

C. hearing impairment.

D. poor motor control. (1)

1.2 Which one of the following provides a way for all the components of a computer to

communicate with one other?

A. RAM

B. Hard drive

C. Motherboard

D. CPU (1)

1.3 Which one of the following statements about laptop computers is false?

A. Some laptops (‘hybrids’) have removable screens.

B. Laptops are designed to be ‘always on’ and ‘always connected’.

C. Some laptops are more powerful than some desktops.

D. Biometric input means can be used to secure some laptops. (1)

1.4 The 802.11 specification means that a computer...

A. can connect to a network wirelessly.

B. is designed for quick, small scale computing.

C. can use a mobile operating system.

D. can perform multitasking. (1)

3

1.5 Which one of the following statements about interactive whiteboards is true?

A. It needs a brightly lit venue for the projected images to be seen clearly.

B. No training is required to use an interactive whiteboard effectively.

C. Notes made on the board can be saved to storage.

D. The bigger the venue, the easier it is to read the board. (1)

1.6 Which one of the following arranges the types of networks in decreasing order of size

(area which they cover)?

A. HAN, PAN, LAN

B. LAN, PAN, HAN

C. PAN, LAN, HAN

D. LAN, HAN, PAN (1)

1.7 Which one of the following statements about memory is false?

A. Memory needs power to keep its contents.

B. Memory is less expensive per Gigabyte than storage.

C. Memory is fast to access.

D. Memory is electronic. (1)

1.8 An accelerometer ...

A. speeds up processing in a device.

B. enables a device to detect movement.

C. measures how fast a device is performing.

D. enables a device to time events. (1)

1.9 Which one of the following is not an example of green computing?

A. Printing more than one page on a sheet

B. Printing on both sides of the paper

C. Printing in draft mode

D. Printing email attachments (1)

1.10 Which one of the following will be the result of this Excel formula?

A. 2

B. 4

C. It depends on the contents of the cells

D. An error message (1)

[10]

= COUNTA(A1:A4) + COUNTBLANK(A1:A4)

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Question 2

Write down only the number of the description from Column A, and next to it the correct matching

capital letter from Column B, for example 2.11 T.

Column A Column B

2.1 The unit in which printing speed is measured A. Power

B. POS

C. Flatbed

D. LED

E. Plug-and-play

F. GPS

G. dpi

H. ppm

I. AUP

J. DVI

K. Phablet

L. Contrast ratio

M. Empty Recycle Bin

N. SSD

O. Aspect ratio

P. NIC

Q. Resolution

R. Formatting

S. Rand

T. ISP

U. Defragmenting

2.2 A type of storage device that uses the same technology as

flash drives

2.3 The rights and responsibilities of network users

2.4 A type of scanner that can be used to scan an A4 page

2.5 A mobile computing device that can also make phone calls

2.6 A monitor specification, of which 16:10 is an example

2.7 A component on a computer that allows it to connect to a

network via a cable

2.8 A technology built into a mobile device, that can be used to

determine its physical location

2.9 A process that will erase all the data that is on the disk

2.10 A function in Excel that can be used instead of the ^

operator

[10]

Question 3

State whether each of the following statements is TRUE or FALSE.

If the statement is FALSE, then write down the word ‘False’ and, next to it, the word(s) which

should replace the underlined word(s) to make the statement TRUE.

(Note that no marks will be awarded if ‘False’ is given without a suggested replacement.)

Example 1: A printer is an example of an output device.

Answer: True

Example 2: A printer is an example of software.

Answer: False – hardware.

3.1 The width of a monitor is measured in pixels. (1)

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3.2 The maximum storage capacity of a CD is approximately 700 MB. (1)

3.3 ATM thieves sometimes place a small hidden skimmer to determine which keys you press

when you type in your PIN. (1)

3.4 A DIMM chip is where a computer’s start-up instructions are stored. (1)

3.5 You can use the Disk Scanning utility to try to fix problems on a hard drive. (1)

[5]

SECTION B

Question 4: System Technologies and Implications

4.1 Give ONE anti-theft strategy for hardware, besides preventing physical access to the place

where the hardware is kept. (1)

4.2 Explain briefly the concept of ‘sleep mode’ in terms of a computer and how this mode is

activated. (2)

4.3 Give TWO reasons why a person might choose to buy a tablet rather than a laptop, besides

any issues relating to cost or the software that can be loaded onto these devices. (2)

4.4 Give TWO common differences between the hardware components on a server compared

to client computers.

Note: Be specific. Avoid broad statements such as ‘faster’ or ‘more powerful’. (2)

4.5 Give TWO advantages of a digital camera over a traditional camera. (2)

4.6 Give ONE potential disadvantage of implementing biometric security to control access to a

room or building. (1)

4.7 Name the technology that allows electronic devices to exchange data simply by touching

them together or bringing them close together, besides RFID technology. (1)

4.8 Two different specifications of two monitors are given below.

Monitor A Monitor B

28" 23"

2 milliseconds 6 milliseconds

Give TWO reasons why a gamer might prefer Monitor A, rather than Monitor B.

You must also give the name or ‘explanation’ of what each specification refers to in each

case. (4)

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4.9 Various technologies are integrated into a POS system in a shop.

4.9.1 Expand the acronym POS (i.e. what do these letters stand for?) (1)

4.9.2 What general name is given to the image below, often used in POS systems?

(1)

4.9.3 Give ONE advantages of using RFID technology, rather than the technology

associated with the image in question 4.9.2. (1)

4.9.4 Suppose the image in question 4.9.2 was damaged in some way on a specific

item and could not be scanned.

Give another input method that could be used to enter the data on the image. (1)

4.10 Give TWO general disadvantages of using dedicated devices rather than human input to

capture data. (2)

4.11 Give ONE way in which the output of a display device can be made permanent, besides

using a storage device or taking a photo of it. (1)

4.12 It is important to prevent health problems when using a computer.

4.12.1 Which skill can a user learn, so as not to have to switch repeatedly between the

mouse and the keyboard, besides using voice recognition software? (1)

4.12.2 Give ONE other way, besides the skill referred to in question 4.12.1, in which a

user can try to prevent health problems that may arise from the improper use of

input devices. (1)

4.12.3 Name the specific type of injury that can affect the wrists, from frequent texting

on a smartphone. (1)

4.13 Give TWO ways to prevent (or minimise) the loss of data that may result from a power

failure while you are working on a desktop computer. (2)

4.14 Consider the specifications of a laptop below and answer the questions that follow.

4.14.1 Give the unit in which the amount of RAM is typically measured (represented by

## in the specifications). (1)

4.14.2 Name the type of device represented by ??? in the specifications. (1)

4.14.3 Which hardware component, whose function it is to carry out instructions, is

missing from the specifications? (1)

[30]

8 ## RAM

2 TB HDD

128 GB ???

7

Question 5: Network and Internet Technologies

5.1 Servers provide shared resources to network users.

5.1.1 Give TWO functions of a proxy server. (2)

5.1.2 Name ONE other type of server, besides a proxy server. (1)

5.2 Consider the diagram of a LAN below and answer the questions that follow.

5.2.1 Name the hardware device labelled ‘A’ in the diagram, and briefly describe the

function of this device. (2)

5.2.2 Name the type of cable labelled ‘B’, which uses electrical signals to transmit

data over copper wires. (1)

5.2.3 An alternative type of cable is fibre optic.

How is data transmitted in a fibre cable? (1)

5.2.4 Give TWO advantages of fibre cable over the type of cable labelled ‘B’, besides

issues relating to speed and bandwidth. (2)

5.3 A specification such as 100/1000 for cabled network equipment refers to data

transmission speed.

5.3.1 Give the unit in which this data transmission speed is measured. (1)

5.3.2 Explain why two values are listed (100 and 1000) in terms of a LAN (not the

internet). (2)

5.4 Consider Password A and Password B and answer the questions

below.

5.4.1 Give TWO reasons why Password A will be more difficult to guess (‘crack’) than

Password B. (2)

5.4.2 Which general rule about choosing a password was not followed in the creation

of both the passwords shown above? (1)

5.5 Give TWO general guidelines that a web designer should follow in choosing which font

type/s to use for a web page. (2)

5.6 Why should web designers try to reduce the size of multimedia files that are displayed or

‘played’ on web pages? (1)

[18]

A B

B B

B

8

Question 6: Information Management

6.1 Study the question below, which appeared in a questionnaire, and answer the questions

that follow.

6.1.1 Explain why the question is an open-ended question. (1)

6.1.2 Suggest a way to change the question to a closed question. (1)

6.2 Give ONE other way of conducting a survey, besides using online or electronic

questionnaires or approaching people face-to-face. (1)

6.3 Give TWO potential disadvantages of using online questionnaires to obtain information from

people. (2)

6.4 Give TWO reasons why the question below, which appeared in a questionnaire, can result

in poor quality information when the data is analysed.

(2)

6.5 Give ONE advantage and ONE disadvantage of using a printed encyclopaedia instead of

the online encyclopaedia Wikipedia for research, besides any issues relating to internet

access.

Clearly distinguish between the advantage and the disadvantage in your answer. (2)

[9]

Question 7: Solution Development

7.1 Why would one typically use Word’s (or any other programme’s) Export option? (1)

7.2 What is the general reason for saving a Word document in compatibility mode? (1)

7.3 Give ONE way to position text horizontally on a page in a Word document, besides using

the space bar or tab settings. (1)

7.4 Assume that the files Learners.rtf and Learners.txt contain exactly the same information.

Explain why the two files would typically differ in size. (1)

What would be the best way to ensure that learners paid full attention in class?

Do you and your friends do homework

during class time?

during break time? Tick only ONE box

in the morning before school starts?

9

7.5 What is the benefit of adding content in the header of a document, rather than in the main

body of the document? (1)

7.6 Name the type of indent that was used in the Word paragraph shown below.

(1)

7.7 Explain why using templates enables one to work more quickly and efficiently. (1)

7.8 When is it not necessary for an Excel column (or bar) chart to have a legend? (1)

7.9 Name the data type that Access uses to automatically assign unique sequential numbers

to a field, beginning at 1, for each new record. (1)

7.10 Name ONE data validation feature that can be used in the design of an Access table to help

ensure that valid data is entered, besides using a Default value. (1)

7.11 Examine the Access table below and answer the questions that follow.

Surname CellNo Grade Interest Member

Abrahams 0821458743 12 Reptiles

Van Niekerk 0743217 11 Birds

Majeet 0828984267 11 Cats

Baloyi 0732786543 10 Cats

Majeet 0845567210 10 Penguins

7.11.1 Explain why CellNo is the only field in this table that can be set as a Primary Key. (1)

7.11.2 Explain why it might be a good idea to set a default value for the Member field. (1)

7.11.3 The query below was designed to extract and show the Surname, CellNo and

Grade fields of all the records of grade 10 and 11 learners interested in cats.

Give THREE changes that must be made to the design of this query, before it can

be used to display the required information. (3)

[15]

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SECTION C

You have volunteered to help the GetFit organisation with data capturing and other ICT functions

at a local athletics event. Various items of equipment must be set up and managed.

Question 8: Integrated Scenario

8.1 A small network consisting of 5 client computers and a server must be set up.

8.1.1 One of the volunteers said that the network will be a HAN. He was wrong. Explain

to him what a HAN actually is. (1)

8.1.3 Give ONE potential disadvantage of setting up a WLAN as opposed to a LAN in

this scenario, besides the fact that sending data wirelessly is less secure than

using cables. (1)

8.1.2 Explain why setting up biometric security on the server (and indeed, on any

computer), ensures a higher level of security than the use of passwords. (1)

8.2 The data on the server must be backed up.

8.2.1 Give ONE reason why optical media (CDs and DVDs) are generally a poor choice

of backup medium, besides the fact that optical media are slow and unreliable. (1)

8.2.2 The organizers are considering using online storage for backup.

Briefly describe TWO disadvantages of online (‘cloud’) storage, besides any issues

relating to the security of the data or the connection speed. (2)

8.2.3 Why would it be more secure (‘better’) to store the backups on a flash drive rather

than on the server’s hard drive? (1)

8.3 Explain why it was decided to publish the entry form for the event on the internet, rather

than on the GetFit intranet. (Assume that both options are possible.) (1)

8.4 One of the laptops is running out of disk space and is also performing quite slowly.

8.4.1 One reason for the laptop’s under-performance is that files and parts of files are

‘scattered’ across the disk.

How can the files be ‘put back together’ again? Give the name of the utility one can

use. (1)

8.4.2 Explain why an archiving operation would help to solve the disk space problem. (1)

8.5 A scanner was connected to one of the computers. The user was not prompted to install a

driver.

8.5.1 Explain what a ‘driver’ is by referring to its function. (1)

8.5.2 Explain why the user was not prompted to install a driver. (1)

8.5.3 Name the series of technologies that allowed the operating system to automatically

detect and configure the scanner when it was connected, so that it could be used

almost immediately. (1)

11

8.5.4 A scanned image of a magazine article must be converted to a document that can

be edited in a word processor.

Name the type of software that must be used to perform this conversion, and give

the main factor that determines how successful the conversion to text will be,

irrespective of any software settings. (2)

8.5.5 Name ONE software setting for a scanner that can be adjusted to ensure that the

resulting image file will take up as little space as possible. (1)

8.6 The timekeeper will use an iPhone to record the finishing times of the athletes.

8.6.1 Name the company which produces this device, and name the operating system

installed on the device. (2)

8.6.2 The iPhone has a ‘multi-touch’ screen.

What does ‘multi-touch’ mean in this context? (1)

8.7 Small plastic medals will be awarded to participants.

What is the broad name given to printers that will be able to produce these medals? (1)

8.8 A data projector and an interactive whiteboard have been set up in the briefing room.

Which specification of a data projector refers to the brightness of the projected image? (1)

8.9 One of the data capturers has a visual disability.

Give ONE type of keyboard this person could use. (1)

8.10 In case there is a problem with the network, an external 2.5" hard drive will be used to

transfer data between the computers.

Explain why it might be important that a 2.5" drive is used, rather than a 3.5" drive. (1)

8.11 Anti-malware software must be installed on the computers to protect against spyware and

adware.

8.11.1 What is the name given to spyware that tries to determine your usernames and

passwords by tracking your use of input devices e.g. tracking what you type on the

keyboard.? (1)

8.11.2 Give ONE reason why it might not be a good idea to download and install the

following program:

(1) AdBlock++.exe

12

8.12 Consider the screenshot of a spreadsheet below, in which the results of the half marathon

are recorded, and answer the questions that follow.

8.12.1 Give only the name of the Excel function that must be used to return the number of

minutes (column B) taken by the athlete who came third in the race. (1)

8.12.2 State in your own words what the following formula calculates:

(2)

[28]

TOTAL: 125

=COUNTIF(B3:B10, "<=150")/COUNT(B3:B10)*100