Resources: Previous exam papers have been used to compile these notes: SACAI NOV 2019, 2020, 2021 & 2022. DBE_COMPUTER APPLICATIONS TECHNOLOGY
2021 EXAMINATION GUIDELINES FOR CAT. EC/NOVEMBER 2020, EC/NOVEMBER 2022. CAT T5_T3 Test_2021
IMAGES: Canva and AI-generated images based on typical examination-style questions.
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Please note that these notes are compiled as a structured study aid for examination
preparation. They do not replace the prescribed textbook or classroom instruction.
Important: Learners can use the Term 3 notes for focused Term 3 preparation. Where
applicable, it is also recommended that learners revise Term 1 and Term 2 notes together
with the Term 3 notes.
Good luck
Juffrou Ansie
Content:
SYSTEMS TECHNOLOGIES 4
SOCIAL IMPLICATIONS 18
SOLUTION DEVELOPMENT 34
INTERNET AND THE WORLD WIDE WEB 40
© 2026 Juffrou Ansie Study Notes. All rights reserved. This material may not be reproduced or distributed without written permission.
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Multiple choice questions
VoIP A technology that allows voice communication in a program such
as Discord.
Facebook A technology that allows chatroom communication
Messenger
RSI An injury caused by repetitive physical movement of the same
muscles in the hands, arms, back and shoulders because of long
hours of sitting and typing
NIC A device that can be used to connect a computer to a LAN.
Kindle It is a device that you hold in your hand and you use it to read
electronic books page-by-page.
HTML Language that is used to describe what a web page should look like
Cloud computing Cloud computing is sharing resources offered as services on the
Internet.
Video Video communication is the transmission of data via live video
communications streaming or video sharing.
Three main types of video communication are:
• Video calling
• Video conferencing
• Video sharing
Video calling Two or more people to communicate using video on their
smartphones or personal computers, using the same internet
Platform/software or smartphone/landline number.
Video calling apps: WhatsApp, FaceTime, Google Meet, Zoom,
Microsoft Teams.
Video conferencing Two or more people share a live visual connection from different
locations. Each participant can see all participants in
a grid with multiple screens. It uses Multipoint Control Unit to
select and
combine the video streams of the participants and allows text chat
and
file sharing while the conference is active.
Video conferencing apps: Zoom, MS Teams, Google Meet
© 2026 Juffrou Ansie Study Notes. All rights reserved. This material may not be reproduced or distributed without written permission.
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Video sharing Sharing video during meetings/presentations. This is a feature of
most video conferencing software.
E‐learning E‐learning (Electronic learning) is the creation of a learning
(Electronic environment where individuals use their computers to take part in
learning) teaching and learning to further their education
Mobile learning or Mobile learning or m‐Learning is a form of education and training
m‐Learning delivered and conducted via the internet using mobile devices,
such as tablets and smartphones. It is designed to be flexible,
allowing
learners/workers/students access to education anywhere,
anytime. It is a subsection of e‐learning.
Client computer Client computer uses resources
(workstation)
Network server Network server provides resources /Server is not used as a
workstation
Hotspot A hotspot is an area where you can obtain wireless access to the
Internet. The wireless technology associated with a hotspot Wi-Fi.
Firewall (software) The general name for software that allows users or administrators
to control which programs can access the internet.
ISP A company that provides internet access
SYSTEMS TECHNOLOGIES
Software
Definition of software: Software is a set of programs and instructions that tells a
computer what to do.
System Software vs Application Software:
© 2026 Juffrou Ansie Study Notes. All rights reserved. This material may not be reproduced or distributed without written permission.