CAT Practical Gr12
Visual PowerPoint summaries covering the complete syllabus of Computer Application Technology Grade 12
Includes content for both question papers - theory and practical. Fun animations and transitions are available as well to make studying more exciting (click on the link...
Click here for complete bundle: CAT Grade 12 - Term 1
COMPUTER
APPLICATIONS
TECHNOLOGY
GRADE 12 TERM 1
, PREFACE
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, TABLE OF CONTENTS
01 03 05
General Hardware Fixing Software
Concepts Recommendations Problems
02 04
Hardware Software
, 01
General
Concepts
, Why We Use Computers?
01 Efficiency
Computers save us time and labour, eg, accountants
save time and labour by using Excel functions
02 Accuracy
With the correct code, a computer can complete a
task hundreds of time 100% perfect every time
03 Reliability
Computers don’t call in sick or get tired like we do
, Types of Computer Users
Power users SOHO Users Personal Users
Require a lot of computer Small Office/Home Office People who do everyday
power such as high RAM Users who need to have things like Mobile banking,
and Storage e.g. many devices such as Social media,
Gamers, Photographers printers and monitors in a Entertainment
small office
Mobile Users can be any of the above, simply means needing their technology
wherever they go
, Types of Computers
COMPUTER
NON-
PORTABLE
PORTABLE
SMARTPHONE, HYBRIDS, DESKTOP
SERVER
TABLETS LAPTOPS COMPUTER
KEY:
Hybrid Computer; Devices that can be converted, e.g. Laptops that can be
turned into a server
Server; A powerful computer that provides resources to computers in a network
, PORTABLE NON-PORTABLE
• Uses a traditional operating • Large in size
system • More powerful than portable
• Designed for portability such as devices
all in one hardware • More difficult to repair and
• Includes a battery upgrade
• Laptops are usually more • Have separate hardware devices
expensive than desktops
,CONVERGENCE
The act of
o taking a lot of separate
technologies
o that required different
devices before
o and putting them in one
device
o e.g. a smartphone
, 02
Hardware
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