CSC134 : COMPUTER & INFORMATION PROCESSING

Introduction to computers

Suhailah Mohd Yusof
Department of Computer Science, UiTM Kedah
suhailah_my@kedah.uitm.edu.my | 011-11418288|
http://habibalbi.weebly.com
Objectives Overview

Explain why computer
literacy is vital to
success in today’s world

Define the term,
computer, and describe
the relationship between
data and information

Describe the five
components of a
computer

Discuss the advantages
and disadvantages that
users experience when
working with computers

Define the term,
network, and identify
benefits of sharing
resources on a network

Discuss the uses of the
Internet and World Wide
Web

See Page 3
for Detailed Objectives

Discovering Computers 2011: Living in a
Digital World Chapter 1

2
Objectives Overview

Distinguish between
system software and
application software

Differentiate among
types, sizes, and
functions of computers in
each category

Explain how home users,
small office/home office
users, mobile users,
power users, and
enterprise users each
interact with computers

See Page 3
for Detailed Objectives

Describe the role of each
element in an information
system

Discuss how society uses
computers in education,
finance, government,
health care, science,
publishing, travel, and
manufacturing

Discovering Computers 2011: Living in a
Digital World Chapter 1

3
A World of Computers
• Computers are everywhere

Pages 4 - 5
Figure 1-1

Discovering Computers 2011: Living in a
Digital World Chapter 1

4
What Is a Computer?
• A computer is an electronic device, operating
under the control of instructions stored in its
own memory
Collects
data
(input)

Processing

Produces
information
(output)

Information Processing Cycle
Page 6

Discovering Computers 2011: Living in a
Digital World Chapter 1

5
What Is a Computer?

Page 6
Figure 1-2

Discovering Computers 2011: Living in a
Digital World Chapter 1

6
The Components of a
Computer
• A computer contains many electric, electronic, and
mechanical components known as hardware
Input Device

• Allows you to enter data and instructions into a computer

Output Device

• Hardware component that conveys information to one or more
people

System Unit

• Case that contains the electronic components of the computer
that are used to process data

Storage Device
Communications
Device
Pages 6 - 8

• Holds data, instructions, and information for future use
• Enables a computer to send and receive data, instructions, and
information to and from one or more computers or mobile
devices
Discovering Computers 2011: Living in a
Digital World Chapter 1

7
The Components of a
Computer

Page 7
Figure 1-3

Discovering Computers 2011: Living in a
Digital World Chapter 1

8
Advantages and Disadvantages
of Using Computers
Advantages of
Using Computers

Speed

Health Risks

Reliability

Violation of Privacy

Consistency

Public Safety

Storage

Impact on Labor Force

Communications
Pages 9 - 10

Disadvantages of
Using Computers

Impact on Environment

Discovering Computers 2011:
Living in a Digital World Chapter 1

9
Advantages and Disadvantages
of Using Computers
• Green computing involves reducing the electricity
consumed and environmental waste generated
when using a computer
• Strategies include:
–
–
–
–

Recycling
Regulating manufacturing processes
Extending the life of computers
Immediately donating or properly disposing of replaced computers

Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click Green Computing
below Chapter 1

Page 10

Discovering Computers 2011: Living in a
Digital World Chapter 1

10
Networks and the Internet
• A network is a
collection of
computers and
devices connected
together, often
wirelessly, via
communications
devices and
transmission media

Pages 10 - 11
Figure 1-6

Discovering Computers 2011:
Living in a Digital World Chapter 1

11
Networks and the Internet
• The Internet is a worldwide collection of networks
that connects millions of businesses, government
agencies, educational institutions, and individuals

Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click The Internet
below Chapter 1

Page 11
Figure 1-7

Discovering Computers 2011: Living in a
Digital World Chapter 1

12
Networks and the Internet
• People use the Internet for a variety of
reasons:

Communicate

Research and
Access
Information

Entertainment

Pages 12 - 13
Figure 1-8

Download Videos

Shop

Bank and Invest

Share Information

Discovering Computers 2011: Living in a
Digital World Chapter 1

Online Trading

Web Application

13
Networks and the Internet
• A social networking Web site encourages
members to share their interests, ideas,
stories, photos, music, and videos with other
registered users

Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click Facebook
below Chapter 1

Page 14
Figure 1-9

Discovering Computers 2011: Living in a
Digital World Chapter 1

14
Computer Software
• Software, also called a program, tells the
computer what tasks to perform and how to
perform them
System Software
• Operating system
• Utility program

Application Software
Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click Windows
below Chapter 1

Pages 15 - 16
Figures 1-10 - 1-11

Discovering Computers 2011: Living in a
Digital World Chapter 1

15
Computer Software
• Installing is the process of setting up
software to work with the computer, printer,
and other hardware

Pages 16 - 17
Figure 1-12

Discovering Computers 2011: Living in a
Digital World Chapter 1

16
Computer Software
• A programmer
develops software or
writes the instructions
that direct the
computer to process
data into information

Page 18
Figure 1-13

Discovering Computers 2011:
Living in a Digital World Chapter 1

17
Categories of Computers
Personal computers

Mobile computers and mobile devices

Game consoles

Servers

Mainframes

Supercomputers

Embedded computers
Page 19

Discovering Computers 2011: Living in a
Digital World Chapter 1

18
Personal 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

Page 19
Figures 1-15 - 1-16

Discovering Computers 2011: Living in a
Digital World Chapter 1

19
Mobile Computers and Mobile
Devices
Mobile
Computer

Mobile
Device
Personal computer
you can carry from
place to place

Examples include
notebook computers,
laptop computers,
netbooks, ultra-thins,
and Tablet PCs

Pages 20 - 23

Computing device
small enough to hold
in your hand

Examples include
smart phones, PDAs,
handheld computers,
portable media
players, and digital
cameras

Discovering Computers 2011: Living in a
Digital World Chapter 1

20
Mobile Computers and Mobile
Devices
Notebook computer
Tablet PC
Smart phone
PDA
Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click Camera Phone
below Chapter 1

Pages 20 - 22
Figures 1-17 – 1-20

Discovering Computers 2011: Living in a
Digital World Chapter 1

21
Mobile Computers and Mobile
Devices
Handheld computer
Portable media player
Digital camera
Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click Digital Cameras
below Chapter 1
Pages 22 - 23
Figures 1-21 – 1-23

Discovering Computers 2011: Living in a
Digital World Chapter 1

22
Game Consoles
• A game console is a
mobile computing
device designed for
single-player or
multiplayer video
games

Page 24
Figure 1-24

Discovering Computers 2011:
Living in a Digital World Chapter 1

23
Servers
• A server controls
access to the
hardware, software,
and other resources
on a network
– Provides a centralized
storage area for
programs, data, and
information

Page 25
Figure 1-25

Discovering Computers 2011:
Living in a Digital World Chapter 1

24
Mainframes
• A mainframe is a
large, expensive,
powerful computer
that can handle
hundreds or
thousands of
connected users
simultaneously

Page 25
Figure 1-26

Discovering Computers 2011:
Living in a Digital World Chapter 1

25
Supercomputers
• A supercomputer is the fastest, most
powerful computer
– Fastest supercomputers are capable of
processing more than one quadrillion instructions
in a single second

Page 25
Figure 1-27

Discovering Computers 2011: Living in a
Digital World Chapter 1

26
Embedded Computers
• An embedded computer is a specialpurpose computer that functions as a
component in a larger product
Consumer
Electronics
• Mobile and digital
telephones
• Digital televisions
• Cameras
• Video recorders
• DVD players and
recorders
• Answering
machines

Page 26

Home Automation
Devices
• Thermostats
• Sprinkling
systems
• Security
monitoring
systems
• Appliances
• Lights

Automobiles
• Antilock brakes
• Engine control
modules
• Airbag controller
• Cruise control

Process
Controllers and
Robotics
• Remote
monitoring
systems
• Power monitors
• Machine
controllers
• Medical devices

Discovering Computers 2011: Living in a
Digital World Chapter 1

Computer Devices
and Office
Machines
•
•
•
•

Keyboards
Printers
Faxes
Copiers

27
Embedded Computers

Page 26
Figure 1-28

Discovering Computers 2011: Living in a
Digital World Chapter 1

28
Elements of an Information
System
Hardware

Software

People

Procedures

Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click Women in
Technology below Chapter 1

Page 27

Data

Discovering Computers 2011: Living in a
Digital World Chapter 1

29
Elements of an Information
System

Page 27
Figure 1-29

Discovering Computers 2011: Living in a
Digital World Chapter 1

30
Examples of Computer Usage

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

Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click Minorities in
Technology below Chapter 1

Pages 28 – 31
Figures 1-30 – 1-32

Discovering Computers 2011: Living in a
Digital World Chapter 1

Mobile User
• Connect to other computers
on a network or the Internet
• Transfer information
• Play video games
• Listen to music
• Watch movies

31
Examples of Computer Usage

Power User

Enterprise User

• Work with multimedia
• Use industry-specific
software

• Communicate among
employees
• Process high volumes
of transactions
• Blog

Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click Enterprise
Computing below Chapter 1

Pages 31 – 32
Figures 1-33 – 1-34

Discovering Computers 2011: Living in a
Digital World Chapter 1

32
Computer Applications in
Society

Education
Finance
Government
Health Care
Pages 34 - 36
Figures 1-36 – 1-39

Discovering Computers 2011: Living in a
Digital World Chapter 1

33
Computer Applications in
Society

Science
Publishing
Travel
Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click OnStar
below Chapter 1

Pages 36 - 38
Figures 1-40 – 1-43

Manufacturing
Discovering Computers 2011: Living in a
Digital World Chapter 1

34
Summary of Introduction to Computers

The computer and its components
Categories of computers
What is a network?
Types of computer users
The Internet
Computer applications in society
Types of software

Chapter 1 Complete
Bibliography
Book
• Shelly, Garry B., and Vermatt, Misty E., Discovering Computers,
Fundamentals: Living in a Digital World, 2011 Edition, Shelly
Cashman Series, Course Technology, Cengage Learning.
CLASS ACTIVITY
• Form a group of five. List down your group
members.
• Discuss your group name related to
computer and technology.
• Select your leader
• Create your group logo and cheer
• Answer the issue given in a proper way.
• Presentation only takes about 7 minutes.

Chapter 1 -introduction_to_computers csc

  • 1.
    CSC134 : COMPUTER& INFORMATION PROCESSING Introduction to computers Suhailah Mohd Yusof Department of Computer Science, UiTM Kedah suhailah_my@kedah.uitm.edu.my | 011-11418288| http://habibalbi.weebly.com
  • 2.
    Objectives Overview Explain whycomputer literacy is vital to success in today’s world Define the term, computer, and describe the relationship between data and information Describe the five components of a computer Discuss the advantages and disadvantages that users experience when working with computers Define the term, network, and identify benefits of sharing resources on a network Discuss the uses of the Internet and World Wide Web See Page 3 for Detailed Objectives Discovering Computers 2011: Living in a Digital World Chapter 1 2
  • 3.
    Objectives Overview Distinguish between systemsoftware and application software Differentiate among types, sizes, and functions of computers in each category Explain how home users, small office/home office users, mobile users, power users, and enterprise users each interact with computers See Page 3 for Detailed Objectives Describe the role of each element in an information system Discuss how society uses computers in education, finance, government, health care, science, publishing, travel, and manufacturing Discovering Computers 2011: Living in a Digital World Chapter 1 3
  • 4.
    A World ofComputers • Computers are everywhere Pages 4 - 5 Figure 1-1 Discovering Computers 2011: Living in a Digital World Chapter 1 4
  • 5.
    What Is aComputer? • A computer is an electronic device, operating under the control of instructions stored in its own memory Collects data (input) Processing Produces information (output) Information Processing Cycle Page 6 Discovering Computers 2011: Living in a Digital World Chapter 1 5
  • 6.
    What Is aComputer? Page 6 Figure 1-2 Discovering Computers 2011: Living in a Digital World Chapter 1 6
  • 7.
    The Components ofa Computer • A computer contains many electric, electronic, and mechanical components known as hardware Input Device • Allows you to enter data and instructions into a computer Output Device • Hardware component that conveys information to one or more people System Unit • Case that contains the electronic components of the computer that are used to process data Storage Device Communications Device Pages 6 - 8 • Holds data, instructions, and information for future use • Enables a computer to send and receive data, instructions, and information to and from one or more computers or mobile devices Discovering Computers 2011: Living in a Digital World Chapter 1 7
  • 8.
    The Components ofa Computer Page 7 Figure 1-3 Discovering Computers 2011: Living in a Digital World Chapter 1 8
  • 9.
    Advantages and Disadvantages ofUsing Computers Advantages of Using Computers Speed Health Risks Reliability Violation of Privacy Consistency Public Safety Storage Impact on Labor Force Communications Pages 9 - 10 Disadvantages of Using Computers Impact on Environment Discovering Computers 2011: Living in a Digital World Chapter 1 9
  • 10.
    Advantages and Disadvantages ofUsing Computers • Green computing involves reducing the electricity consumed and environmental waste generated when using a computer • Strategies include: – – – – Recycling Regulating manufacturing processes Extending the life of computers Immediately donating or properly disposing of replaced computers Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Green Computing below Chapter 1 Page 10 Discovering Computers 2011: Living in a Digital World Chapter 1 10
  • 11.
    Networks and theInternet • A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media Pages 10 - 11 Figure 1-6 Discovering Computers 2011: Living in a Digital World Chapter 1 11
  • 12.
    Networks and theInternet • The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click The Internet below Chapter 1 Page 11 Figure 1-7 Discovering Computers 2011: Living in a Digital World Chapter 1 12
  • 13.
    Networks and theInternet • People use the Internet for a variety of reasons: Communicate Research and Access Information Entertainment Pages 12 - 13 Figure 1-8 Download Videos Shop Bank and Invest Share Information Discovering Computers 2011: Living in a Digital World Chapter 1 Online Trading Web Application 13
  • 14.
    Networks and theInternet • A social networking Web site encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Facebook below Chapter 1 Page 14 Figure 1-9 Discovering Computers 2011: Living in a Digital World Chapter 1 14
  • 15.
    Computer Software • Software,also called a program, tells the computer what tasks to perform and how to perform them System Software • Operating system • Utility program Application Software Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Windows below Chapter 1 Pages 15 - 16 Figures 1-10 - 1-11 Discovering Computers 2011: Living in a Digital World Chapter 1 15
  • 16.
    Computer Software • Installingis the process of setting up software to work with the computer, printer, and other hardware Pages 16 - 17 Figure 1-12 Discovering Computers 2011: Living in a Digital World Chapter 1 16
  • 17.
    Computer Software • Aprogrammer develops software or writes the instructions that direct the computer to process data into information Page 18 Figure 1-13 Discovering Computers 2011: Living in a Digital World Chapter 1 17
  • 18.
    Categories of Computers Personalcomputers Mobile computers and mobile devices Game consoles Servers Mainframes Supercomputers Embedded computers Page 19 Discovering Computers 2011: Living in a Digital World Chapter 1 18
  • 19.
    Personal Computers • Apersonal 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 Page 19 Figures 1-15 - 1-16 Discovering Computers 2011: Living in a Digital World Chapter 1 19
  • 20.
    Mobile Computers andMobile Devices Mobile Computer Mobile Device Personal computer you can carry from place to place Examples include notebook computers, laptop computers, netbooks, ultra-thins, and Tablet PCs Pages 20 - 23 Computing device small enough to hold in your hand Examples include smart phones, PDAs, handheld computers, portable media players, and digital cameras Discovering Computers 2011: Living in a Digital World Chapter 1 20
  • 21.
    Mobile Computers andMobile Devices Notebook computer Tablet PC Smart phone PDA Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Camera Phone below Chapter 1 Pages 20 - 22 Figures 1-17 – 1-20 Discovering Computers 2011: Living in a Digital World Chapter 1 21
  • 22.
    Mobile Computers andMobile Devices Handheld computer Portable media player Digital camera Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Digital Cameras below Chapter 1 Pages 22 - 23 Figures 1-21 – 1-23 Discovering Computers 2011: Living in a Digital World Chapter 1 22
  • 23.
    Game Consoles • Agame console is a mobile computing device designed for single-player or multiplayer video games Page 24 Figure 1-24 Discovering Computers 2011: Living in a Digital World Chapter 1 23
  • 24.
    Servers • A servercontrols access to the hardware, software, and other resources on a network – Provides a centralized storage area for programs, data, and information Page 25 Figure 1-25 Discovering Computers 2011: Living in a Digital World Chapter 1 24
  • 25.
    Mainframes • A mainframeis a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously Page 25 Figure 1-26 Discovering Computers 2011: Living in a Digital World Chapter 1 25
  • 26.
    Supercomputers • A supercomputeris the fastest, most powerful computer – Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second Page 25 Figure 1-27 Discovering Computers 2011: Living in a Digital World Chapter 1 26
  • 27.
    Embedded Computers • Anembedded computer is a specialpurpose computer that functions as a component in a larger product Consumer Electronics • Mobile and digital telephones • Digital televisions • Cameras • Video recorders • DVD players and recorders • Answering machines Page 26 Home Automation Devices • Thermostats • Sprinkling systems • Security monitoring systems • Appliances • Lights Automobiles • Antilock brakes • Engine control modules • Airbag controller • Cruise control Process Controllers and Robotics • Remote monitoring systems • Power monitors • Machine controllers • Medical devices Discovering Computers 2011: Living in a Digital World Chapter 1 Computer Devices and Office Machines • • • • Keyboards Printers Faxes Copiers 27
  • 28.
    Embedded Computers Page 26 Figure1-28 Discovering Computers 2011: Living in a Digital World Chapter 1 28
  • 29.
    Elements of anInformation System Hardware Software People Procedures Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Women in Technology below Chapter 1 Page 27 Data Discovering Computers 2011: Living in a Digital World Chapter 1 29
  • 30.
    Elements of anInformation System Page 27 Figure 1-29 Discovering Computers 2011: Living in a Digital World Chapter 1 30
  • 31.
    Examples of ComputerUsage 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 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Minorities in Technology below Chapter 1 Pages 28 – 31 Figures 1-30 – 1-32 Discovering Computers 2011: Living in a Digital World Chapter 1 Mobile User • Connect to other computers on a network or the Internet • Transfer information • Play video games • Listen to music • Watch movies 31
  • 32.
    Examples of ComputerUsage Power User Enterprise User • Work with multimedia • Use industry-specific software • Communicate among employees • Process high volumes of transactions • Blog Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Enterprise Computing below Chapter 1 Pages 31 – 32 Figures 1-33 – 1-34 Discovering Computers 2011: Living in a Digital World Chapter 1 32
  • 33.
    Computer Applications in Society Education Finance Government HealthCare Pages 34 - 36 Figures 1-36 – 1-39 Discovering Computers 2011: Living in a Digital World Chapter 1 33
  • 34.
    Computer Applications in Society Science Publishing Travel Clickto view Web Link, click Chapter 1, Click Web Link from left navigation, then click OnStar below Chapter 1 Pages 36 - 38 Figures 1-40 – 1-43 Manufacturing Discovering Computers 2011: Living in a Digital World Chapter 1 34
  • 35.
    Summary of Introductionto Computers The computer and its components Categories of computers What is a network? Types of computer users The Internet Computer applications in society Types of software Chapter 1 Complete
  • 36.
    Bibliography Book • Shelly, GarryB., and Vermatt, Misty E., Discovering Computers, Fundamentals: Living in a Digital World, 2011 Edition, Shelly Cashman Series, Course Technology, Cengage Learning.
  • 37.
    CLASS ACTIVITY • Forma group of five. List down your group members. • Discuss your group name related to computer and technology. • Select your leader • Create your group logo and cheer • Answer the issue given in a proper way. • Presentation only takes about 7 minutes.