Summary Computer Applications Technology-Grade 12- June Exam- Term 2 2024
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Course
Computer Applications Technology
Institution
12th Grade
Computer Applications Technology-Grade 12- June Exam- Term 2 2024
SYSTEMS TECHNOLOGIES
INTERNET AND NETWORK TECHNOLOGIES
INFORMATION MANAGEMENT
SOCIAL IMPLICATIONS
SOLUTION DEVELOPMENT
INTEGRATED SCENARIOS
COMPUTER APPLICATIONS TECHNOLOGY
GRADE 12
Paper 2
June Exam
Previous exam papers have been used to
compile these notes, SC/NSC_ June DBE/2021.
SC/NSC_ June DBE/2022, SC/NSC_ June
DBE/2022, SC/NSC_ June DBE/2023, @IMPAQ
JUN 2022 & @IMPAQ JUN 2022.
These are only suggested answers from the memorandum. Some information is repeated, I
want to show you the different ways the same information is asked.
I encourage you to answer the calculation/illustration questions without looking at the
answers first.
Good luck. Juffrou Ansie
Topics:
1. SYSTEMS TECHNOLOGIES p. 2
2. INTERNET AND NETWORK TECHNOLOGIES p. 14
3. INFORMATION MANAGEMENT p. 19
4. SOCIAL IMPLICATIONS p. 24
5. SOLUTION DEVELOPMENT p. 28
6. INTEGRATED SCENARIOS p. 36 - 52
@Juffrou_Ansie
, 2
SYSTEMS TECHNOLOGIES
Case Study @IMPAQ JUN 2022
Study the following specifications for a recently released smartphone
The size of the screen of the smartphone = 5”
When a new smartphone is bought, you would look at the specifications of the
camera. Resolution is one of the factors that must be kept in mind. Other factors to
consider in the decision about the camera of the smartphone.
→ Lenses
→ Sensor size
→ Optical/digital zoom
→ ISO rating
→ Quality of screen
→ Pixel quality
The advertisement refers to a rear camera and a front camera. Why
would they refer to two cameras? Specify in your answer why the
settings of the two cameras differ – 8 MP vs. 5 MP.
→ The rear camera is used for normal photos.
→ It is used for most photos that need a high resolution.
→ The front camera is used for selfies.
→ Not used for most photos and does not need a high resolution.
The meaning of ‘Quad-Core’ in the advertisement”
→ More than one physical processor can be included in one chip.
@Juffrou_Ansie
, 3
→ Each core is a complete processor that can work independently.
→ More cores let the computer work better/faster.
→ Detecting the orientation of the smartphone.
→ Rate of changes
CPU = specification in the smartphone does 1.4 GHz
The battery life is one of the items mentioned in the advertisement. Ways in which the
battery life of a smartphone can be extended.
→ Reduce brightness
→ Reduce the time before a screen switches off
→ Switch vibration option off
→ Lower the volume
UPC Universal Product Code
→ Switch any cordless functionality off
→ Monitor/switch unnecessary background programs off
→ Reduce notifications
→ Use power savings mode
→ Do not overcharge
↘ Access to updated information on the Internet.
↘ Take a photo of homework.
↘ Use social networks to work with others.
↘ Use it for the reading of digital versions of manuals.
↘ Interaction with electronic quizzes
Ways how a smartphone can be connected wirelessly to other devices (not to another
smartphone).
↘ Wi-Fi
↘ NFC
↘ Bluetooth
↘ USB
NFC can be used to transfer photographs from one device to another by
holding them close together, without using the internet or any cables.
Disadvantages of using NFC in this situation. SC/NSC_ June DBE/2023
• NFC has a slow transfer speed
• Will take a long time to transfer photos or videos
Uses of NFC, other than transferring photographs.
@Juffrou_Ansie
, 4
1. To make payments
Activate/Open an app on other devices
2. Pair/Enable accessories with device
3. Safety purposes, e.g. Unlocking doors/Access Control
4. Transmission of any other type of media, e. Video/documents
____________________________________________________
Advantages of using the Snipping Tool to make a screenshot rather
than using the Print Screen option.
↘ Specific area can be selected
↘ Screenshot can be saved directly in various file formats
↘ Can edit inside the Snipping Tool application
↘ The screen copy can be emailed directly as an attachment or
added to another application
↘ Can print from within the Snipping Tool application
____________________________________________________
Reasons why your monitor does not display anything even though both the computer
and the monitor are switched on. SC/NSC_ June DBE/2023
• Cables/Signal cables are not properly connected/faulty
• Faulty graphics map
• Image (Display) is set to a secondary monitor
• Sleep mode is active
• Examples of how a smartphone can be used for educational purposes in the
classroom.
The concept of communication in the information processing cycle SC/NSC_ June DBE/2022
The result of processing is shared with users/other devices connected to each other.
The reasons why a hard disk drive is NOT preferred in a
laptop SC/NSC_ June DBE/2022 A system utility used to
remove unwanted files
=
• HDD can be easily damaged because of moving parts Disk Cleanup/
• Heavier than other options CCleaner, etc.
• Uses more electricity/Depletes battery faster
Reasons why a laptop would be a better option as an online learning device than a
tablet computer. @IMPAQ JUN 2022
↘ Longer battery life.
↘ Larger screen.
↘ More applications/features.
Service pack =
↘ More memory
Combined collection of
Problems that occur when the hard disk drive is full SC/NSC_ June patches released over a
DBE/2021 period and distributed
as one single download
• (Getting prompts that) there is no space left/Cannot
or file
save anything
• Thrashing/System is slow
@Juffrou_Ansie
, 6
• System sometimes freezes/crashes
• Programs do not open
Ways to free up space on the HDD SC/NSC_ June DBE/2021
• Compress (Zip/Archive) files/folders/drive (Do not accept any reference to removing
files or defragging)
• Disable hibernation/Disable System Restore (on Windows 10)/ Change the settings
of the virtual memory (Windows 7)
You receive an error message about insufficient disk space while you are installing a
specific program. Ways to solve the problem so that you can complete the
installation. SC/NSC_ June DBE/2021
• Remove/Move unwanted apps/data to an external
• Driver or in the cloud (cloud)
• Make use of Disk Cleanup
• Replace/Add a larger storage device/drive
• Compress Commonly Used Data/Folders
________________________________________________
What is meant by the term ‘convergence’ in the context of ICT @IMPAQ JUN 2022 & SC/NSC_ June
DBE/2023
Convergence is the combination of two or more technologies in a single device.
Disadvantages of convergence SC/NSC_ June DBE/2021
• Functionality of many devices is lost if the device fails Telecommuting =
• Difficult to upgrade only one part of the device Do some work over the
Internet instead of
Ways to solve the problem of a PC that will not boot SC/NSC_
physically going to an
June DBE/2021
office.
• Re-seat all cards/modules on the motherboard
• Boot up/Repair/Update/Reinstall the system from an
external device, e.g. drive, USB stick or optical drive, etc.
• Check for and replace faulty hardware
A SOHO computer user must choose computer hardware and software for his auditing
business. SC/NSC_ June DBE/2021
Complete the table below to help him make the correct buying decisions.
CRITERIA FOR SELECTING A PRINTER FOR A SOHO SC/NSC_ June DBE/2022
@Juffrou_Ansie
, 8
↘ Speed: Pages per minute/Productivity
↘ Budget consideration: Cost of printer/Cost of printing
↘ Print quality: Quality of printouts required/DPI
↘ Paper: Variety of paper sizes/thickness required
↘ Durability: Maximum printouts per printer life cycle
↘ Size of printer: Available physical space/multiple trays
↘ Colour: Monochrome or colour printing required
↘ Type of printer: Suitability for SOHO, e.g. Multifunction printer
↘ Connectivity: Network printer, e.g. Wireless
↘ System compatibility: Compatibility between device and printer
Type of software license for a SOHO SC/NSC_ June DBE/2022
TYPE OF SOFTWARE LICENSE MOTIVATION
Site License/Once-off license No intention of upgrading Software of all
the computers on the site will be licensed
Can be installed on several computers
simultaneously
Subscription license Latest features and updates are always
available
Multi-user license Intended for multiple users, irrespective of
number of computers
Multiple Activation Key (MAK) Licenses are purchased in a bundle which
depletes as licenses are used
GNU/Open Source license Low budget/start-up business
Reasons for an entry level CPU
• An entry level CPU has enough processing power Firewall/Route
for a computer used in a SOHO
Software/Hardware used
• It would be an unnecessary expense to get a more
to prevent unauthorised
powerful CPU that is used to capacity
network access
Benefits of UPS for a SOHO SC/NSC_ June DBE/2022
↘ Backup power for limited time
↘ Safe/Automatic shutdown
↘ Allows time to save work/Prevents loss of data 4) Protects equipment against power
surges/fluctuations
@Juffrou_Ansie
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