Topic 1 : Introduction to Computer

1. INTRODUCTION TO COMPUTER
INTRODUCTION TO COMPUTER
Instructor : Mrs Halimaton Sa’adiah Ariffin
E-mail : halimaton@usim.edu.my
Telephone : 06-7987039, Office : MPG, Level 2. No. 1

2. 1. Information Technology
2. Information Communication Technology
3. Information System
4. Computer
5. Data and Information
6. Components of Computer
7. Classification of computer
8. Assignments

3. INFORMATION
INFORMATION
INFORMATION TECHNOLOGY
Conveys meaning
and is useful to
people
information technology is the use of
computers and software to manage
information.
TECHNOLOGY
TECHNOLOGY
Technology is the usage
and knowledge of tools,
techniques, systems or
methods of organization in
order to solve a problem
COMMUNICATION
COMMUNICATION
Process in which two or more computers
or devices transfer data, instructions and
information.
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INFORMATION COMMUNICATION
TECHNOLOGY
ICT refers to technologies that provide access
to information through telecommunications.
It is similar to Information Technology (IT),
but focuses primarily on communication
technologies.
This includes the Internet, wireless networks,
cell phones, and other communication
mediums.
ICT Skill
http://jobsearchtech.about.com/od/careersintechnology/p/ITDefinition.htm
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4. A System is a set of components that interact to
achieve a common goal.
An information System (IS) is a collection of
hardware, software, data, people and procedures
that work together to produce quality information.
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ICT Skill (TCL 0822)
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5. PEOPLE
People are involved in every aspect of an
information system.
Direct users
Direct users of information systems are people who
interact with and are in control of the system. All of
Users are people who are affected by the the providers of the information services are direct
information system. If people are going
users. Example : system analyst, system managers,
to survive in to day's society they must
operators and data entry personnel.
be users of information.
Users can be classified as direct users
and indirect users.
Computer Uses
• Business
• Entertainment
• Education
• Medicine
Indirect Users
Indirect users of an information system never use
the system, but its use by other people and affects
them. Example : supermarkets use an information
system to complete an inventory of goods. When we
buy our groceries we are not using the information
system, but its use has affected the service we are
receiving.

6. An electronic device
For data Processing
Computer is a data processing device, operating
under the control of instructions stored in its own
memory . Computer can performs four major
functions :
1.
2.
3.
4.
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It gathers data (or allows user to input data)
It process data into information
It outputs data or information
It stores data and information
ICT Skill (TCL 0822)
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7. IN COMPUTER TERMS
Data is a collection of unprocessed items
(raw facts) , which can include text,
numbers, images, audio and video.
Example :
1.Names (Aril Iskandar)
2.Date of Birth (11 Mei 1987)
3.Place of Birth (Perak - 08)
4.Picture (
),
5.etc .
Information is data that has been
organized or presented in a meaningful
fashion and is useful to people.
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ICT Skill
Example :
1.My Card
2.Poster
3.Database Record
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8. Hardware is the electronic, and
mechanical components of a
computer that you can
physically touch.
All hardware on the computer
helps the computer to perform
its various tasks.
These components include :
1.Input devices
2.Output devices
3.A system Unit
4.Storage Devices
5.Communication Devices
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ICT Skill
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ICT Skill
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10. Input Devices is any hardware
component that allows you to enter data
(text , images , sounds) and instructions
(user responses , commands) into a
computer.
Six widely used input devices are the :
1.Keyboard
2.Mouse
3.Microphone
4.Scanner
5.Digital camera
6.PC video camera (Web Cam)
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ICT Skill
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11. Computer Keyboard contains keys you
press to enter typed data and commands
into the computer.
Mouse is a small handheld device to
control movement of a small symbol on
the screen (pointer), and you make
responses and commands by any
selections from the screen.
Microphone allows a user to speak into
the computer to enter data (input
sounds) and instructions.
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ICT Skill
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12. Scanner converts printed material (such
as text and pictures) into a digital form
the computer can use.
Digital Camera you take pictures and
then transfer the photographed images
to the computer or printer instead of
storing the images on a traditional film.
PC Video Camera is a digital video
camera that allows users to create movie
or take still photographs electronically.
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ICT Skill
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13. Output Devices is any hardware
component that conveys information to
one, or more people. They enable you to
send processed data out of your
computer. This can take the form of text,
pictures (graphics), sounds (audio), and
video.
Three commonly used output devices :
1.Printer
2.Monitor (display screen)
3.Speakers
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ICT Skill
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14. Printer produces text and graphics on a
physical medium such as paper.
Monitor displays text, graphics, and
videos on screen.
Speakers allow you to hear music, voice
and other audio (sounds).
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ICT Skill
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15. In a group of four OR five, find information of the
following topics and describe them completely with
pictorial notes.
1. Timeline – Computer History
2. Computer usage (choose only ONE)
• In education / finance / government /
healthcare / publishing / manufacturing
3. Advantages and Disadvantages of Using
Computers
Dateline to submit : 10 December 2012