discovering computers 2011 - wordpress.com file1.06.2016 · istilah network, dan identifikasi...
TRANSCRIPT
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
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
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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