M A T H W I T H M E G A N
Grade 12
CAT THEORY
,Click here for the complete
PowerPoint documents:
CAT Theory - Grade 12
COMPUTER
APPLICATIONS
TECHNOLOGY
GRADE 12 TERM 1
, PREFACE
• If the formatting in PowerPoint on your PC looks wrong, use the pdf
version or upgrade to the Windows 11 version please.
• You may customize and modify these PowerPoints as you wish and as
befits your schoolwork.
• You are also welcome to share with me any adjustments that I have in
the document can add with acknowledgement to you.
• If there is any work that is not included in the document or If any of the
work is faulty, please send me an email.
• You may not sell the documents, but you may refer anyone to my
website.
• Happy learning info@mathwithmegan
, 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
Grade 12
CAT THEORY
,Click here for the complete
PowerPoint documents:
CAT Theory - Grade 12
COMPUTER
APPLICATIONS
TECHNOLOGY
GRADE 12 TERM 1
, PREFACE
• If the formatting in PowerPoint on your PC looks wrong, use the pdf
version or upgrade to the Windows 11 version please.
• You may customize and modify these PowerPoints as you wish and as
befits your schoolwork.
• You are also welcome to share with me any adjustments that I have in
the document can add with acknowledgement to you.
• If there is any work that is not included in the document or If any of the
work is faulty, please send me an email.
• You may not sell the documents, but you may refer anyone to my
website.
• Happy learning info@mathwithmegan
, 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
