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

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

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

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

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.

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.

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

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

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

9

Embedded computers

Supercomputers

Mainframes

Servers

Game consoles

Mobile computers and mobile devices

Personal computers

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

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

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

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

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

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

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

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

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

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

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.

20

Advantages Of Using Computer (cont.)

Speed

Reliability

Consistency

Storage

Communications

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.

21

Advantages Of Using Computer (cont.)

Speed

Reliability

Consistency

Storage

Communications

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

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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

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.

23

Disadvantages of Using Computers (cont.)

Health Risks

Violation of Privacy

Public Safety

Impact on Labor Force

Impact on Environment

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

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

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

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.

27

Disadvantages of Using Computers (cont.)

Health Risks

Violation of Privacy

Public Safety

Impact on Labor Force

Impact on Environment

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

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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