Chapter_1_introduction_to_computers.pptx

Living in a Digital World
Discovering
Computers 2010

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
Discovering Computers 2010: Living in a Digital World
Chapter 1
2
See Page 3
for Detailed Objectives

Objectives Overview
Distinguish between system
software and application
software
Differentiate among types,
sizes, and functions of
computers in each category
Describe the role of each
element in an information
system
Explain how home users,
small office/home office
users, mobile users, power
users, and enterprise users
each interact with
computers
Discuss how society uses
computers in education,
finance, government, health
care, science, publishing,
travel, and manufacturing
Chapter 1
3
See Page 3
for Detailed Objectives

A World of Computers
• Computers are everywhere
Chapter 1
4
Pages 4 - 5
Figure 1-1

What Is a Computer?
• A computer is an electronic device, operating under the control of
instructions stored in its own memory
• Komputer adalah perangkat elektronik, beroperasi di bawah
kendali petunjuk yang disimpan dalam memori sendiri
Chapter 1
5
Page 6
Collects
data
(input)
Processing
Produces
information
(output)
Information Processing Cycle

What Is a Computer?
Chapter 1
6
Page 6
Figure 1-2

The Components of a Computer
• A computer contains many electric, electronic, and mechanical components known as
hardware
• Komputer berisi banyak listrik, elektronik, dan mekanis komponen dikenal sebagai
perangkat keras
Chapter 1
7
Pages 6 - 8
•
Allows
you
to
enter
data
and
instructions
into
a
computer
•
Memungkinkan
anda
untuk
masukkan
data
dan
instruksi
ke
komputer
Input Device
•
Hardware
component
that
conveys
information
to
one
or
more
people
•
Perangkat
keras
komponen
yang
menyampaikan
informasi
dengan
satu
atau
lebih
banyak
orang
Output Device
•
Case
that
contains
the
electronic
components
of
the
computer
that
are
used
to
process
data
•
berisi
komponen
elektronik
komputer
yang
digunakan
untuk
melakukan
pengolahan
data
System Unit
•
Holds
data,
instructions,
and
information
for
future
use
•
Menyimpan
data
,
instruksi
,
dan
untuk
informasi
penggunaan
masa
depan
Storage Device
•
Enables
a
computer
to
send
and
receive
data,
instructions,
and
information
to
and
from
one
or
more
computers
or
mobile
devices
•
Memungkinkan
komputer
untuk
mengirim
dan
menerima
data
,
instruksi
,
dan
informasi
dan
dari
satu
atau
lebih
komputer
atau
ponsel
Communications
Device

The Components of a Computer
Chapter 1
8
Page 7
Figure 1-3

Advantages and Disadvantages
of Using Computers
Advantages of
Using Computers
Disadvantages of
Using Computers
Chapter 1
9
Speed
Reliability
handal
Consistency
Storage
Communications
Health Risks
Violation of Privacy
Pelanggaran privasi
Public Safety
Impact on Labor Force
Dampak terhadap tenaga kerja
Impact on Environment
Dampak terhadap lingkungan
Pages 9 - 10

Advantages and Disadvantages
of Using Computers
• Green computing involves reducing the electricity consumed and environmental waste generated
when using a computer
mengurangi listrik dan lingkungan limbah yang dihasilkan ketika menggunakan komputer
• Strategies include:
– Recycling
– Regulating manufacturing processes
– Extending the life of computers
– Immediately donating or properly disposing of replaced computers
Termasuk:
daur ulang
mengatur strategi proses manufaktur
memperluas kehidupan komputer
segera melakukan pendonoran atau dengan benar membuang digantikan komputer
Chapter 1
10
Page 10
Click to view Web Link,
click Chapter 1, Click Web
Link from left navigation,
then click Green Computing
below Chapter 1

Networks and the Internet
• A network is a collection of
computers and devices
connected together, often
wirelessly, via
communications devices
and transmission media
• Jaringan adalah koleksi komputer dan
perangkat terhubung bersama sama ,
sering secara nirkabel , melalui perangkat
dan transmisi media komunikasi
Chapter 1
11
Pages 10 - 11
Figure 1-6

• The Internet is a worldwide collection of networks that connects millions of
businesses, government agencies, educational institutions, and individuals
• Internet adalah koleksi jaringan dunia yang menghubungkan juta bisnis, instansi
pemerintah, lembaga pendidikan, dan individu
Chapter 1
12
Page 11
Figure 1-7
then click The Internet
below Chapter 1

• People use the Internet for a variety of reasons:
Chapter 1
13
Pages 12 - 13
Figure 1-8
Communicate Research and
Access Information
Shop Bank and Invest Online Trading
Entertainment Download Music Share Videos Web Application

• A social networking Web site encourages members to share their interests,
ideas, stories, photos, music, and videos with other registered users
• Sebuah situs jejaring sosial mendorong anggota untuk berbagi kepentingan
mereka , ide , cerita , foto , musik , dan video dengan terdaftar pengguna lain
Chapter 1
14
Page 14
Figure 1-9
then click MySpace
below Chapter 1

Computer Software
• Software, also called a program, tells the computer what tasks to
perform and how to perform them
• Perangkat lunak , juga disebut program , mengatakan komputer tugas tugas apa
yang akan melakukan dan bagaimana melakukannya
Chapter 1
15
Pages 15 - 16
Figures 1-10 - 1-11
System Software
• Operating system
• Utility program
Application Software
then click Windows
below Chapter 1

Computer Software
• Installing is the process of setting up software to work with the computer, printer, and
other hardware
• Memasang adalah proses pengaturan perangkat lunak untuk bekerja dengan komputer ,
printer , dan lainnya perangkat keras
Chapter 1
16
Pages 16 - 17
Figure 1-12

Computer Software
• A programmer develops
software or writes the
instructions that direct the
computer to process data
into information
• Seorang programmer
mengembangkan perangkat
lunak atau menulis buku
perintah yang langsung
komputer untuk proses data
ke informasi
Chapter 1
17
Page 18
Figure 1-13

Categories of Computers
Embedded computers
Supercomputers
Mainframes
Servers
Game consoles
Mobile computers and mobile devices
Personal computers
Chapter 1
18
Page 19

Personal Computers
• A personal computer can perform all of its input, processing, output, and
storage activities by itself
• Komputer pribadi dapat melakukan semua input, pengolahan, keluaran, dan
penyimpanan kegiatan dengan sendirinya
• Two popular architectures are the PC and the Apple
– Desktop computer
Chapter 1
19
Page 19
Figures 1-15 - 1-16

Mobile Computers and Mobile Devices
Personal computer you
can carry from place to
place
Examples include
notebook computers,
laptop computers, 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
Chapter 1
20
Pages 20 - 23

Notebook computer
Tablet PC
Smart phone
PDA
Chapter 1
21
Pages 20 - 22
Figures 1-17 – 1-20
then click Camera Phone
below Chapter 1

Handheld computer
Portable media player
Digital camera
Chapter 1
22
Pages 22 - 23
Figures 1-21 – 1-23
then click Digital Cameras
below Chapter 1

Game Consoles
• A game console is a mobile
computing device designed
for single-player or
multiplayer video games
• Permainan konsol adalah
mobil komputasi perangkat
yang dirancang untuk
single-player atau
multiplayer video game
Chapter 1
23
Page 24
Figure 1-24

Servers
• A server controls access to the
hardware, software, and other
resources on a network
• Sebuah server mengontrol akses
ke perangkat keras , perangkat
lunak , pada jaringan dan sumber
daya lainnya
– Provides a centralized storage
area for programs, data, and
information
– Menyediakan penyimpanan
untuk program terpusat, data,
dan informasi
Chapter 1
24
Page 25
Figure 1-25

Mainframes
• A mainframe is a large,
expensive, powerful computer
that can handle hundreds or
thousands of connected users
simultaneously
• Sebuah mainframe yang cukup
besar, mahal, kuat komputer yang
bisa menangani ratusan atau
ribuan terhubung pengguna
secara bersamaan
Chapter 1
25
Page 25
Figure 1-26

Supercomputers
• A supercomputer is the fastest, most powerful computer
• Supercomputer adalah satu yang tercepat , komputer paling kuat
– Fastest supercomputers are capable of processing more than one quadrillion
instructions in a single second
– Komputer super mampu tercepat pengolahan lebih dari satu kuadriliun
kedua instruksi dalam satu
Chapter 1
26
Page 25
Figure 1-27

Embedded Computers
• An embedded computer is a special-purpose computer that functions as a
component in a larger product
• Sebuah komputer yang terpasang special-purpose adalah sebuah komputer
yang berfungsi sebagai sebuah komponen dalam sebuah produk yang lebih
besar
Chapter 1
27
Page 26
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
and Robotics
• Remote monitoring
systems
• Power monitors
• Machine
controllers
• Medical devices
Computer Devices
and Office Machines
• Keyboards
• Printers
• Faxes
• Copiers

Embedded Computers
Chapter 1
28
Page 26
Figure 1-28

Elements of an Information System
Hardware Software Data
People Procedures
Chapter 1
29
Page 27
then click Women in
Technology below Chapter 1

Elements of an Information System
Chapter 1
30
Page 27
Figure 1-29

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
Mobile User
• Connect to other computers on
a network or the Internet
• Transfer information
• Play video games
• Listen to music
• Watch movies
Chapter 1
31
Pages 28 – 31
Figures 1-30 – 1-32
then click Minorities in
Technology below Chapter 1

Examples of Computer Usage
Power User
• Work with multimedia
• Use industry-specific
software
Enterprise User
• Communicate among
employees
• Process high volumes
of transactions
• Blog
Chapter 1
32
Pages 31 – 32
Figures 1-33 – 1-34
then click Enterprise
Computing below Chapter 1

Computer Applications in Society
Education
Finance
Government
Health Care
Chapter 1
33
Pages 34 - 36
Figures 1-36 – 1-39

Computer Applications in Society
Science
Publishing
Travel
Manufacturing
Chapter 1
34
Pages 36 - 38
Figures 1-40 – 1-43
then click OnStar
below Chapter 1

Video: Computer History in a Barn
Chapter 1
35
CLICK TO START

Summary
Basic computer
concepts
Components of a
computer
Networks, the Internet,
and computer software
Many different
categories of
computers, computer
users, and computer
applications in society
Chapter 1
36
Page 39

Living in a Digital World
Discovering
Computers 2010
37
Chapter 1 Complete

Chapter_1_introduction_to_computers.pptx

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