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CAT grade 11 Summary
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I made these summaries for grade 11 CAT. These notes are in-depth and has all the vital information you will need to pass.
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Computer Application Technology (CAT) Grade 12 Summary Notes
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Computer Application Technology (CAT) Grade 12 Summary Notes
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Computer Application Technology (CAT) Grade 12 Summary Notes
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, eatCAT theory
Theory
Theory Paper 2 hours
1- 1 ✓
It's all about KT Theory
•
1.2 ✓
Input and output Theory
1- 3
Storage , memory and processing Theory ✓
'
2- 1
Local area networks Theory ✓
2- 2
The browsing experience Theory ✓
> it ✓
finding information Theory
3-1 but ✓
Mainly in Practical Paper
Working with files
the Theory Paper will also
have questions on word
processing spreadsheets,
databases and web design .
Module Module 1.1 ict
ICT 1 . 1
Theory
c-
ICT IÉsAHAboutICT_
W Information ,
Communication Technology
W ICT in the Workplace :
Positive
Negative Role of ICT .
Requires constant
upgrading of skills hardware
, ,
-
Work wherever need access to computer + internet
and software .
Communicate better
Results
-
W with and customers
skilled ICT employees
in smaller work pools of
highly workers replacing
store and
-
informed decisions
large
of data
process vast quantities
numbers staff , ICT employees to meet
more
of work hours
,
longer
identify adapt to trends Sales
-
+
changing
-
eg
expectations of costumers
.
.
-
Preform tasks to difficult tasks for humans
[ AT Slftyjfff
-
Preform repetitive mechanical reactions with
quality eg .
factory lines
individuals (smaller company globally)
-
↳ CAT empower use IoT to
is a set of tools to solve problems ,
use computers to solve problems go
W
Fashion web computer degin programs
,
designer us
W Doctors 1- health workers use devices to take care of patients
DAt-%EGO %é£✓c&@@Beo iGBGE✓ t-nfor-mo-OGakTTF.hn
servers
output
W
Computer Power Refers to :
-
• -
-
o
Desktops
performance / s)
speed of CPU
g§
••
and
§
j;
- - -
i.
-
-
_µBµ µµM
type
' l
of I
storage
•
on
Laptops
size of
ɧ : Notebooks
o
memory , process time
•
i
§
[
•
type of Graphics card ! Tablets 1£ ←
sto-qfww-feoagefommun-iRHCKGE9-ionl.sn
/ smartphones
- Porta #
, Laptops : Tablets :
-
Popular , Portable computers
-
Low power
consumption
-
touch screen , pen -
sensitive screen
Portable battery Power Quick small scale
computing
-
-
}
hindge keyboard touchpad Special operating systems designed for
- -
screens ,
,
My
-
Laptops more
expensive than mobile devices
Desktops ( more portable) long battery life
Manufactures create different wireless ( wifi) cellular data connectivity
-
-
categories to boost sales ( 3G)
Portable
computers ybriasiaptaoltabiets : '
, , -
touch screen laptops
swivil the to be a laptop
Digital
-
↳ screen or
convergence
tablet
)
7
W / google Android
Operating system ,
ios
Large keyboard removable
-
↳ colour is
screens
↳
Built-in data modems (3G) Portablecomputers
-
More Powerful that other tablets and
WGPSForti- Entertainment ( music , movies ,
games etc )
laptops ,
weigh more
battery life
,
↳ One or two camera's
-
Surf the web
-
short don't have built
ring ,
↳ Wifi in
cellular communication
to connect Social Networking ( Instagram , Twitter )
-
,
wireless networks -
Communication ( email ,
SMS )
w
speaker 1- microphone -
All these factors demand portability
A of Portable
vantage devices
-
,
run on
battery power
-
specify computer to conserve power
save
computing
-
green short
'
power ' '
hibernate
'
for
by sleep
,
or
-
Sleep mode
,
cuts power to "
" " " "" "" " " "
↳
"" "" "
" "
"" " "
"
When computer hibernates
-
saves RAM drive switches 5
Power
\
on
,
:
÷
of
completely ,
to wake up
setting brightness
Settings
switch on .
-
of screen
lower to save
battery
¥
→
Choosing a balance between
a Eupopean
-
power consumption and preformonce
by saving power usually decreases Unions have tried
Preformance of
system Choosing .
standardising charging cables
a
high preformonce increases power .
to reduce e- waste to a micro
-
USB port adapter .
, I
-
Server and Clients Protecting Your Information
-
Servers are
computers that Provide services resources
W
info important thus need to protect it
or is
very , ,
to clients that are linked on a Network •
data stored on computer must be backed up
-
Clients the computers all linked to server Private sensitive info must be protected against
•
are a or
Such services
providing internet Password protect encrypt data back up
storing rivals
-
are , ,
.
,
,
-
Different Power of devices ,
server more Powerful . Cop pies off -
site .
•
Portable storing devices flash 1- hard ,
drives get lost ,
don't disable USB ports
Dedicated Devices : company compute
use them .
in
household appliances
Hardware theft
↳ ATMs GPS ,
+ Protections
,
task
Designed to
preform one
Serial numbers info
-
are recorded
,
insurance companies want
Mark hardware with Ultraviolet pen easily identify equipment
-
can
Multi
,
-
-
Purpose Devices :
-
Intall secret software to be activated ,
when computer is stolen
↳ computers , phones . tablets if thief uses internet can track him .
Can load apps
which can preform •
use cable looks anchor equipment to solid object .
,
a wide variety of tasks store equipment
•
in lockable cabinets
•
Have motion sensors can set off alarms
,
(smaller computer ,
easier to steal)
Power failures happen
÷÷÷÷÷÷÷÷
,
could
loose all all current work could be used to
produce
orgy electricity help
info if
power goes down , doesn't if power
← could become corrupt
Uninterruptible
Power
Supply ( )
Ups
÷::::::::::::
TAG
SH
-
msn.mu. HA
for limited duration ,
won't
keep power going for long a computer against Power surges
Periods of time
when power fails ,
gives you time to
save your work and shut down .
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