1. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
A Member Of
COM1012
MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
1

2. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Objective & Learning Outcomes
Objective
To ensure that each student understand and know the important
of computer literacy in order to success in today’s world.
Learning Outcomes
At the end of the lessons, students will be able to:
• Define computer and its categories.
• Discuss the advantages and disadvantages of computer
usage.
• Discuss the computer usage and how computer being
used in society and day life.
2

3. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
A World of Computers
• Computers are everywhere; at work, at school
and at home.
• Mobile devices such as many cell phones, often
are classified as computers.
• Computers are primary means of local and global
communication for billions of people.
• Employee correspond with clients, students with
classmates and teachers, family with friends and
other family members.
3

4. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
What Is a Computer?
• A computer is an electronic device, operating
under the control of instructions stored in its own
memory.
4
Collects data
(input)
Processing
Produces information
(output)
Information Processing Cycle

5. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
What Is a Computer?
5
Accepts DATA (Raw facts, figures, and
symbols). Computer process data into
information.
Processes data into INFORMATION (Data that
is organized, meaningful, and useful). Data is a
collection of unprocessed items which can
include text, numbers, image, audio and video.
Produces and stores results. Information
conveys meaning and is useful to people.

6. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
A World of Computers
6
• What is computer literacy?
• Current knowledge and understanding
of computers and their uses.

7. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Categories of Computers
7
Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and mobile devices
Personal computers

8. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Categories of Computers
• A personal computer can perform all of
its input, processing, output, and
storage activities by itself
• Two popular architectures are the PC
and the Apple
– Desktop computer
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Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and
mobile devices
Personal computers

9. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Categories of Computers
Personal computer
you can carry from
place to place.
Examples include
notebook
computers, laptop
computers,
netbooks, ultra-thins,
and Tablet PCs
Mobile
Computer
Computing device
small enough to hold
in your hand.
Examples include
smart phones, PDAs,
handheld
computers, portable
media players, and
digital cameras
Mobile
Device
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Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and
mobile devices
Personal computers

10. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Categories of Computers
Notebook computer
Tablet PC
Smart phone
PDA
Digital camera
Portable media player
Handheld computer
10
Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and
mobile devices
Personal computers

11. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Categories of Computers
• A game console
is a mobile
computing
device designed
for single-player
or multiplayer
video games.
11
Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and
mobile devices
Personal computers

12. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Categories of Computers
• A server
controls access
to the
hardware,
software, and
other resources
on a network.
– Provides a
centralized
storage area
for programs,
data, and
information.
12
Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and
mobile devices
Personal computers

13. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Categories of Computers
• A mainframe is a
large, expensive,
powerful computer
that can handle
hundreds or
thousands of
connected users
simultaneously
13
Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and
mobile devices
Personal computers

14. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Categories of Computers
• A supercomputer
is the fastest,
most powerful
computer.
– Fastest
supercomputers
are capable of
processing more
than one
quadrillion
instructions in a
single second.
14
Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and
mobile devices
Personal computers

15. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Categories of Computers
• An embedded computer is a special-purpose
computer that functions as a component in a
larger product
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Consumer
Electronics
•Mobile and
digital
telephones
•Digital
televisions
•Cameras
•Video recorders
•DVD players
and recorders
•Answering
machines
Home
Automation
Devices
• Thermostats
• Sprinkling
systems
• Security
monitoring
systems
• Appliances
• Lights
Automobiles
• Antilock
brakes
• Engine
control
modules
• Airbag
controller
• Cruise control
Process
Controllers &
Robotics
• Remote
monitoring
systems
• Power
monitors
• Machine
controllers
• Medical
devices
Computer
Devices &
Office
Machines
• Keyboards
• Printers
• Faxes
• Copiers
Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and
mobile devices
Personal computers

16. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Categories of Computers
16
Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and
mobile devices
Personal computers

17. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Advantages and Disadvantages
of Using Computers
Advantages
Speed
Reliability
Consistency
Storage
Communications
Disadvantages
Health Risks
Violation of Privacy
Public Safety
Impact on Labor Force
Impact on
Environment 17

18. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Advantages Of Using Computer
• Speed:
• When data, instructions and
information flow along
electronic circuit in a computer,
they travel at incredibly fast
speeds. Many computers
process billions and trillions of
operations in a single second.
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Speed
Reliability
Consistency
Storage
Communications

19. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Advantages Of Using Computer
• Reliability:
• The electronic components in
modern computers are
dependable and reliable
because they rarely break or fail.
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Speed
Reliability
Consistency
Storage
Communications

20. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Consistency:
Given the same input and
processes, a computer will
produce the same results –
consistently. Computer generate
error-free results, provided the
input is correct and the
instructions work.
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Advantages Of Using Computer (cont.)
Speed
Reliability
Consistency
Storage
Communications

21. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Storage:
Computer store enormous
amounts of data and make this
data available for processing
anytime it is needed.
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Advantages Of Using Computer (cont.)
Speed
Reliability
Consistency
Storage
Communications

22. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Communication:
Most computers today can
communicate with other
computers, often wirelessly.
Computer allow users to
communicate with one another.
22
Advantages Of Using Computer (cont.)
Speed
Reliability
Consistency
Storage
Communications

23. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Health risks:
Improper computer use can lead
to health injuries or disorders.
Computer users can protect
themselves from health risks
through proper workplace
design, good posture while at
computer and appropriately
space work breaks.
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Disadvantages of Using Computers (cont.)
Health Risks
Violation of Privacy
Public Safety
Impact on Labor Force
Impact on
Environment

24. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Disadvantages of Using Computers
Violation of Privacy:
Personal and confidential
records stored on computers
were not protected properly,
individuals have found their
privacy violated and identities
stolen.
24
Health Risks
Violation of Privacy
Public Safety
Impact on Labor Force
Impact on
Environment

25. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Disadvantages of Using Computers
Public Safety:
Adult, teens and children
around the world are using
computers to share publicly
their photos, videos, journals,
music and other personal
information.
25
Health Risks
Violation of Privacy
Public Safety
Impact on Labor Force
Impact on
Environment

26. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Impact on labor force :
Although computer have
improved productivity and
created an entire industry with
hundreds of thousand of new
jobs, the skills of millions of
employees have been replaced
by computers.
26
Disadvantages of Using Computers (cont.)
Health Risks
Violation of Privacy
Public Safety
Impact on Labor Force
Impact on
Environment

27. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Impact on environment:
Computer manufacturing
process and computer waste
depleting natural resources and
polluting the environment.
Green computing involves
reducing the electricity
consumed and environmental
waste generated when using a
computer.
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Disadvantages of Using Computers (cont.)
Health Risks
Violation of Privacy
Public Safety
Impact on Labor Force
Impact on
Environment

28. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
Examples of Computer Usage
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Home User
• Personal financial
management
• Web access
• Communications
• Entertainment
Small
Office/
Home
Office User
• Look up
information
• Send and receive
e-mail messages
• Make telephone
calls
Mobile User
• Connect to other
computers on a
network or the
Internet
• Transfer
information
• Play video games
• Listen to music
• Watch movies
Power User
• Work with
multimedia
• Use industry-
specific
software
Enterprise
User
• Communicate
among
employees
• Process high
volumes of
transactions
• Blog

29. MO1 MO2
Describe basic computer hardware, software, input,
output, communication and network devices.
To apply the suitable office application to
fulfill given task.
A Member Of
DYG1202
References
• Norton, P. (2006). Introduction to Computers.
New York, NY: McGraw-Hill Education (Asia).
• O’Leary, T.J., O’Leary, L.I. (2010). Computing
Essentials: Complete 2010. New York, NY:
McGraw-Hill Companies, Inc.
• Shelly, G., Vermaat, M.(2010). Discovering
Computers & Microsoft Office 2010: A
Fundamental Combined Approach. United States
of America: Cengage Learning.
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