COMPUTER APPLICATIONS TECHNOLOGY
Grade 12
PRELIM EXAM
Theory
2025
These notes were completed using old exam papers.
SACAI Prelim/ September_ 2018, SACAI Prelim/
September_ 2019, SACAI Prelim/ September_ 2022.
NSC AUGUST COMPUTER APPLICATIONS TECHNOLOGY
P2 | 2023
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.
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Content
SYSTEM TECHNOLOGY 5
Hardware – Communication Devices 5
Software Technologies 8
Storage Devices 9
Troubleshooting 10
Networks 10
INTERNET AND NETWORK TECHNOLOGIES 11
Online Services 11
Communication Technologies 12
SOCIAL IMPLICATIONS 14
Cybersecurity 14
Environmental Impact 17
Ethics 18
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SOLUTION DEVELOPMENT 19
Information Management 25
Data Organisation 28
INTEGRATION 29
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Section A: Multiple choice questions
Apps A term/name for a program designed for use on smartphones.
e-Commerce The term used for the marketing, purchase and sale of products or
services over the Internet.
Throttling This will happen if your ISP slows down your Internet connection.
Server A computer that provides resources and / or services to other
computers on a network.
Podcast A multimedia file downloaded from the Internet and can then be
transferred to computers or portable media players.
Crowd funding A website where a single idea or business practice is funded by a large
number of small donations of volunteer contributors, usually at the
beginning of the business.
GUI An interface type that is represented graphically by means of icons and
other visual aids.
Access point A device that is needed to get a connection to a wireless LAN.
Switch A device that causes communication between computers in a network
Card Reader A device connected to a computer to receive and read data from
different media such as SIM and SD cards and memory sticks, etc.
Landscape Refers to the orientation of a page in a word processing document
Carpal Tunnel The name given for injuries due to rapid repetitive actions.
Syndrome
A Blog A Blog is a website that allows users to add or update content to a site
by using their own web browsers.
Hardware The physical parts of a computer are called hardware.
UPS Uninterruptible power supply. An uninterruptible power supply is an
electrical device that supplies power as the power supply, typically the
main power source, failure.
URL Uniform Resource Locator.
Another name for a web address.
An ergonomic Ergonomic keyboard designs help relieve painful conditions such as
keyboard carpal tunnel syndrome and repeated stress injuries caused by
continuous use of the keyboard. These specially designed keyboards
with contours were created with convenience in mind and are often
recommended by therapists and healthcare professionals.
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Disk defragmentation Disk defragmentation is the process that improves the hard disk drive.
Not required for SSD Defragmentation is the tool that rearranges data on your hard drive and
disks reunited fragmented file segments so your computer can work better
A soft copy This is the information visible on the screen and not printed on paper.
Multitasking of the An operating system that is capable of allowing multiple software
operating system processes to run at the same time.
VOIP Voice-over-Internet Protocol
ISP This is your Internet service provider.
(Internet service The provider allows you to connect to the internet.
provider)
OCR A type of software that recognises characters in a scanned image.
"Optical Character Recognition."
Convergence Combining different functions and technologies in computers and
devices.
Fix bugs A reason for downloading a patch from the internet.
Bugs Bugs are unintended flaws in software.
Smart card A pocket-sized card with embedded integrated circuits that can process
data.
Hard drive A computer component found in fat/thick clients but not in thin client
computers.
Autofill A feature associated with a word processing application
A footnote A footnote is a source reference or text offering additional explanations
that is placed at the bottom of a page.
A router A router is a network device required for connecting a LAN to another
network.
A zombie A zombie computer on a network is a computer that has been hacked to
perform malicious tasks.
Site license A site license is a type of license needed to install software on all the
computers in a computer centre.
Attributes ‘Hidden’ and ‘Read only’ are examples of file attributes.
UPS The device that ensures a safe supply of electricity to a computer during
load shedding.
Telecommuting Telecommuting is a work arrangement that allows employees to work
remotely, usually from home or another location outside of the
traditional office.
Biometrics Biometrics can be defined as the most practical means of identifying and
authenticating individuals in a reliable and fast way through unique
biological characteristics.
Infrared A wireless communication technology that has the shortest reach.
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Cookie Cookies are small pieces of text sent to your browser by a website you
visit. They help that website remember information about your visit,
which can both make it easier to visit the site again and make the site
more useful to you.
Information.exe A file is most likely to be blocked by one’s e-mail system
Interface The way in which a user communicate with a computer is known as an
Interface.
=NOW () Function to return the current date and time.
Intellectual Property A term used to describe the ownership rights of a software developer.
Wired A network that uses Ethernet cables to transfer data between
computers.
Template A document containing the layout and formatting suggestions for a
specific type of document such as a fax or an agenda.
Content aggregator Website that gathers different web content from many different online
sources.
Plug-in Software that provides extra functionality to a web browser.
Theme Combined settings that control the layout, fonts and colours of an entire
document.
Task definition Explains how the investigation will be carried out in a research project
Rowspan The attribute to set the number of cells a row should span.
An all-in-one memory • One memory card reader will work with all memory cards.
card reader • Can accommodate many types of cards.
Firewall Give the name of the software or hardware that does the following:
Monitors programs on your computer that tries to access the internet
and monitors outside attempts made to access your computer.
Geo-tagging ➢ When a picture is taken, the geographical position of the device
is determined.
➢ This information is added to the metadata of various media such
as a pictures/file.
Video camera/ Hardware components that can be used to record a video of a choir
Webcam/ Microphone singing.
Grid computing • Grid computing usually consists of one main computer that
distributes information and tasks to a group of networked
computers to achieve a common goal.
• Mutual computer systems where the machines collectively use
the same resources.
E-zine A magazine published electronically on the Internet
Web search A web search displays results using text and images/graphics.
Image search An image search (or picture search) displays results using images/
graphics only.
Bot/zombie computer A computer that has been accessed and can be controlled remotely
when connected to the internet.
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