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Discovering Computers 2011 Living in a Digital World

Discovering Computers 2011 - WordPress.com file1.06.2016 · istilah network, dan identifikasi benefit sharing network Penggunaan Internet dan World Wide Web (www) Discovering Compute

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Discovering

Computers 2011

Living in a Digital World

Objectives Overview

Mendifinisikan istilah

computer dan

mendiskripsikan

hubungan antara data

dan informasi

Mengapa "melek" computer adalah hal

yang sangat vital

Mendeskripsikan5 komponen

komputer

Manfaat dari penggunaan komputer

Mendefinisikanistilah network, dan identifikasibenefit sharing

network

Penggunaan Internet dan WorldWide Web

(www)

Discovering Computers 2011: Living in a Digital WorldChapter 1

See Page 3

for Detailed Objectives2

A World of Computers

• Computers are everywhere

Pages 4 - 5Figure 1-1

Discovering Computers 2011: Living in a Digital WorldChapter 1

4

A World of Computers

• Computers are everywhere

Pages 4 - 5Figure 1-1

Discovering Computers 2011: Living in a Digital WorldChapter 1

4

What Is a Computer?

• A computer is an electronic device, operatingunder thememory

control of instructions stored in its own

Collectsdata

(input)

Producesinformation

(output)Processing

Information Processing Cycle

Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 6 5

What Is a Computer?

Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 6

Figure 1-26

The Components of a Computer

• A computer contains many electric, electronic, andmechanical

Input Device

components known as hardware

• Allows you to enter data and instructions into a computer

Output Device • Hardware component that conveys information to one or more people

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

System Unit

Storage Device • Holds data, instructions, and information for future use

CommunicationsDevice

• Enables a computer to send and receive data, instructions, andinformation to and from one or more computers or mobile devices

Discovering Computers 2011: Living in a Digital WorldChapter 1

Pages 6 - 8 7

The Components of a Computer

Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 7

Figure 1-38

Advantages and Disadvantagesof Using Computers

Advantages ofUsing Computers

Speed

Disadvantages ofUsing Computers

Health Risks

Reliability Violation of Privacy

Consistency Public Safety

Storage Impact on Labor Force

Communications Impact on Environment

Discovering Computers 2011: Living in a Digital WorldChapter 1

Pages 9 - 10 9

Advantages and Disadvantagesof Using Computers

• Green computing involves reducing the electricityconsumed and environmentalusing a computer

Strategies include:

waste generated when

•–

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, ClickWeb Link from left

navigation, then click

Green Computing

below Chapter 1 Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 10 10

Networks and the Internet

• A network is acollection of computersand devices connectedtogether, oftenwirelessly, viacommunicationsdevices andtransmission media

Discovering Computers 2011: Living in a Digital WorldChapter 1

Pages 10 - 11

Figure 1-611

Green ComputingExample of green computing

Networks and the Internet

• The Internet is a worldwide collection of networks thatconnects 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 Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 11

Figure 1-712

Networks and the Internet

• People use the Internet for a variety of reasons:

Communicate Research andAccess Information

Shop Bank and Invest Online Trading

Entertainment Download Videos Share Information Web Application

Pages 12 - 13Figure 1-8

Discovering Computers 2011: Living in a Digital WorldChapter 1

13

Networks and the Internet

• A social networking Web site encouragesmembers to share their interests, ideas, stories,photos,users

music, and videos with other registered

Click to view Web

Link, click Chapter 1,Click Web Link from

left navigation, then

click Facebookbelow Chapter 1 Discovering Computers 2011: Living in a Digital World

Chapter 1Page 14

Figure 1-914

Computer Software◦Software◦ Sistem Operasi◦Utilities : Anti virus, File Management, dll◦Aplikasi : Sistem Informasi◦ Paket : Office, Star Office, Corel Draw,

Photoshop, dll◦ Pemrograman : Pascal, C, JAVA, dll

Computer Software

• Installing is the process of setting up software towork withhardware

the computer, printer, and other

Pages 16 - 17Figure 1-12

Discovering Computers 2011: Living in a Digital WorldChapter 1

16

Computer Software

• A programmer developssoftware or writes theinstructions that directthe computer toprocess datainformation

into

Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 18Figure 1-13

17

Categories of Computers

Personal computers

Mobile computers and mobile devices

Game consoles

Servers

Mainframes

Supercomputers

Embedded computers

Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 19 18

Personal Computers

• A personal computer can perform all of its input,processing, output, and storage activities by itself

• Two popular architecturesApple

are the PC and the

– Desktop computer

Page 19Figures 1-15 - 1-16

Discovering Computers 2011: Living in a Digital WorldChapter 1

19

Mobile Computers and Mobile Devices

MobileComputer

MobileDevice

Personal computer youcan carry from place toplace

Computing devicesmall enough to hold inyour hand

Examples includesmart phones, PDAs,handheld computers,portable mediaplayers, and digitalcameras

Examples includenotebook computers,laptop computers,netbooks, ultra-thins,and Tablet PCs

Discovering Computers 2011: Living in a Digital WorldChapter 1

Pages 20 - 23 20

Mobile Computers and Mobile Devices

Notebook computer

Tablet PC

Smart phone

PDAClick 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 WorldChapter 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 1Pages 22 - 23Figures 1-21 – 1-23

Discovering Computers 2011: Living in a Digital WorldChapter 1

22

Mainframes

• A mainframe is a large,expensive, powerfulcomputer that canhandle hundreds orthousands of connectedusers simultaneously

Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 25

Figure 1-2625

Supercomputers

• A supercomputer is the fastest, most powerfulcomputer

– Fastest supercomputers are capable of processingmore thansecond

one quadrillion instructions in a single

Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 25

Figure 1-2726

Elements of an Information System

Hardware Software Data

People Procedures

Click to view Web

Link, click Chapter 1,Click Web Link from

left navigation, then

click Women inTechnology belowChapter 1

Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 27 29

Examples of Computer Usage

Home User

• Personal financial management

• Web access

• Communications

• Entertainment

Small Office/HomeOffice User

• Look up information

• Send and receive e-mailmessages

• 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

Click to view Web

Link, click Chapter 1,Click Web Link from

left navigation, then

click Minorities inTechnology belowChapter 1

Pages 28 – 31

Discovering Computers 2011: Living in a Digital WorldChapter 1

31

Examples of Computer Usage

Power User Enterprise User

• Work with multimedia

• Use industry-specific software

• Communicate amongemployeesProcess high volumesof transactionsBlog

Click to view Web Link,

click Chapter 1, ClickWeb 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 WorldChapter 1

32

Computer Applications in Society

Education

Finance

Government

Health CareDiscovering Computers 2011: Living in a Digital World

Chapter 1Pages 34 - 36

Figures 1-36 – 1-3933

Computer Applications in Society

Science

Publishing

Travel

ManufacturingDiscovering Computers 2011: Living in a Digital World

Chapter 1

Click to view Web

Link, click Chapter 1,Click Web Link from

left navigation, then

click OnStarbelow Chapter 1

Pages 36 - 38

Figures 1-40 – 1-43

34

Video: Computer History

CLICK TO START

Discovering Computers 2011: Living in a Digital WorldChapter 1

35

Summary

Basic computerconcepts

Components of acomputer

Many differentcategories of

computers, computerusers, and computer

applications in society

Networks, the Internet,and computer software

Discovering Computers 2011: Living in a Digital WorldChapter 1

Page 39 36

Discovering

Computers 2011

Living in a Digital World

Chapter 1 Complete