COMPUTERS, PART OF YOUR LIFE – GRADE 11. IT'S ALL ABOUT ICT MODULE 1.1.
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Transcript of COMPUTERS, PART OF YOUR LIFE – GRADE 11. IT'S ALL ABOUT ICT MODULE 1.1.
![Page 1: COMPUTERS, PART OF YOUR LIFE – GRADE 11. IT'S ALL ABOUT ICT MODULE 1.1.](https://reader030.fdocuments.us/reader030/viewer/2022033007/56649f505503460f94c73683/html5/thumbnails/1.jpg)
COMPUTE
RS,
PART
OF
YOUR
LIFE –
GRADE
11
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IT'S
ALL
ABOUT
ICTM
OD
ULE 1.1
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CONTENTS
• The role and value of ICTs in the workplace
• The computer • Protecting your information• Test and improve your knowledge
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THE
ROLE A
ND VALU
E
OF IC
T IN
THE
WORKPLA
CE
4
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SO WHAT ROLE DOES ICT PLAY IN THE WORKPLACE?
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• work faster and more efficiently
• make better, more informed decisions far quicker • store and make ‘sense’ of vast quantities of data • identify and adapt to changing trends far quicker
• communicate more effectively
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SO WHAT ROLE DOES ICT PLAY IN THE WORKPLACE?
6
• communicate instantly
• perform tasks that cannot be easily or safely performed by humans
• to work wherever we have access to a computer
• perform repetitive mechanical tasks
• empower individuals
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THE INFORMATION AGE
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vast amount of data and information
appropriate technologies seek out and sift
valuable information
To communicate to others
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CAT – THE MOST VALUABLE SUBJECT!
8
Skills learned in
CAT allows you to:
Create structured notes and summaries
Create professional
presentations
Analyse data quickly and effectively
Update, modify and share notes
and e-documents
Create professional
looking documents
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CAT – THE MOST VALUABLE SUBJECT!
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ICT in caree
rs
Fashion, game or
web page designers Engineers
Doctors, paramedic
s and nurses
DJs and musician
s
Sports medicine
Advertise
Photographers
Accountants
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ICT is important in virtually any job you can think of.
An effective user of ICT, needs to be able to source and process data and present information as quickly and as accurately as possible.
We need to be able to choose and use the right ICT tools for the job at hand.
Taking CAT was the best decision you could have made!
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THE COM
PUTER
11
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INFORMATION CYCLE:
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input
processoutput
store
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CLASSIFYING COMPUTERS
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Computers can be classified
in terms of their purpose
how ‘powerful’ they are
their size
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DEDICATED VERSUS GENERAL-PURPOSE COMPUTERS
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Dedicated devices
designed to perform just one specific task
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DEDICATED VERSUS GENERAL-PURPOSE COMPUTERS
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General-purpose computers
allow us to load programs (software) to perform a wide variety of tasks.
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PROCESSING POWER AND USAGE
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PORTABILITY
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Laptop / Notebook / Ultrabook / Netbook
Laptop / Notebook – describes
same types of portable
computers
Netbook – cheap, low-powered,
no DVD/CD, lower screen
resolution
Ultrabooks – lighter/thinner,
but still as powerful as entry-
level PC
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PORTABILITY
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Tablets
Consumer tablet:o Touch / pen sensitive
monitoro User interacts directly
with screeno Special operating
systemso Long battery lifeo 3G/wireless
connectivity Traditional tablet:
o Reversible screen / normal keyboard
o Work as notebook / tablet
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PORTABILITY
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SmartphonesAll smartphones have:
o Operating system
o ‘Large’ colour screens
o Data modem: 3G, HSDPA, 4G
o GPS sensor
o Cameras
o Wireless connectivity
o Speakers/microphone
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PORTABILITY
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Smartphones allow the user to:
Set up and use electronic
diary
View and send e-mails
Browse and use normal websites
Read e-books and listen to audio books
Take and edit photos and
send / share
Record / edit / share video
/ audio
Play music / video
Play computer
games
Use as modem
Use wireless networks
Use GPS to navigate
View /limited editing of
productivity documents
Other applications and utility software
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PROTECTI
NG
YOUR
INFO
RMATI
ON
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THE THEFT OF HARDWARE IS NOT JUST ABOUT THE COST OF REPLACING THE HARDWARE
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• Information that you do not have a copy of
• Information might be private or sensitive
• Information stored on portable devices
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HARDWARE THEFT AND PROTECTION
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Anti-theft strategies for hardware:
• Use devices such as cable locks
• Chain equipment to a fairly solid object
• Use lockable cabinets (with ventilation) in which to place the system units (‘boxes’) of a desktop computer or server.
• Make use of motion sensors with an alarm which detect when a computer has been moved.
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PROTECTION AGAINST POWER FAILURE
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Uninterruptible Power Supplies
• connected to the mains
• immediately provides power to the computer(s) connected to it as soon as the power goes out
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PROTECTION AGAINST POWER FAILURE
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Power settings
Portable computers and devices can be used without connecting them to a power outlet.
Run on battery power.
Desktops - we also need to save as much power as possible.
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PROTECTION AGAINST POWER FAILURE
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Power settings
Set to ‘sleep’ or hibernate (portable computers) when it has not been used for a period of time.
Choose a balance between power consumption and performance.
Set brightness of the screen to reduce the power consumption.
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TEST
AND
IMPROVE
YOUR
KNOWLE
DGE
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OVERVIEW OF MODULE
28
ICT
Information Age
Classifying computers
Dedicated vs.
General-purpose
Protecting information
Backups
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IMPORTANT TERMS AND CONCEPTS
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Cable locks Clients Comput
er power
Dedicated device
General-purpose
computer ICTInformation cycle Laptops
Power scheme
Server UPS
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WRIT
TEN
MODULE
ACTIVIT
Y
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