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Living in a Digital World Discovering Computers Fundamentals, 2011 Edition
Living in a Digital World
Discovering Computers
Fundamentals,
2011 Edition
Objectives Overview
Explain why computer literacy is vital to
success in today's world
Describe the five components of a
computer
Discuss the advantages and disadvantages that users experience when
working with computers
Discuss the uses of the Internet and World
Wide Web
Distinguish between system software and application software
Discovering Computers and Microsoft Office 2007Chapter 1
2See Page 1
for Detailed Objectives
Objectives Overview
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
Discuss how society uses computers in education,
finance, government, health care, science, publishing, travel, and manufacturing
3See Page 1
for Detailed ObjectivesDiscovering Computers and Microsoft Office 2007
Chapter 1
A World of Computers
• Computers are ____________________
• Computer Literacy: ____________________ and
____________________ of computers and their uses
4Pages 2 - 3
Figure 1-1Discovering Computers and Microsoft Office 2007
Chapter 1
What Is a Computer?
• A ____________________ is an electronic device, operating under the control of instructions stored in its own memory
5Pages 3 - 4
Collects _________
(input)Processing
Produces ____________
(output)
Information Processing Cycle
Discovering Computers and Microsoft Office 2007Chapter 1
What Is a Computer?
6Page 4
Figure 1-2Discovering Computers and Microsoft Office 2007
Chapter 1
The Components of a Computer
• A computer contains many electric, electronic, and mechanical components known as ________________
7Pages 4 - 7
• Allows you to enter data and instructions into a computerInput Device
• Hardware component that conveys information to one or more peopleOutput Device
• Case that contains the electronic components of the computer that are used to process dataSystem Unit
• Holds data, instructions, and information for future useStorage Device
• Enables a computer to send and receive data, instructions, and information to and from one or more computers or mobile devices
Communications Device
Discovering Computers and Microsoft Office 2007Chapter 1
The Components of a Computer
8Page 5
Figure 1-3Discovering Computers and Microsoft Office 2007
Chapter 1
Advantages and Disadvantages of Using Computers
Advantages of Using Computers
Disadvantages of Using Computers
9
Reliability
Consistency
Communications
Violation of Privacy
Public Safety
Impact on Labor Force
Impact on Environment
Page 7 Discovering Computers and Microsoft Office 2007Chapter 1
Advantages and Disadvantages of Using Computers
• ____________________ involves reducing the electricity consumed and environmental waste generated when using a computer
• Strategies include:– ____________________
– Regulating manufacturing processes
– Extending the life of computers
– Immediately donating or properly disposing of replaced computers
10Page 7
Click to view Web Link,click Chapter 1, Click Web Link from left navigation, then click Green Computing below Chapter 1
Discovering Computers and Microsoft Office 2007Chapter 1
Networks and the Internet
• A ____________________ is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media
• The ____________________ is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals
11Page 8
Click to view Web Link,click Chapter 1, Click Web Link from left navigation, then click The Internetbelow Chapter 1
Discovering Computers and Microsoft Office 2007Chapter 1
Networks and the Internet
12Page 8
Figure 1-6Discovering Computers and Microsoft Office 2007
Chapter 1
Networks and the Internet
• People use the Internet for a variety of reasons:
13Pages 8 - 9
Figure 1-7
Research and Access Information
Shop Bank and Invest Online Trading
Share Information Download Videos Web Application
Discovering Computers and Microsoft Office 2007Chapter 1
Networks and the Internet
• A ____________________________
__________________________________
encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users
– Also called an ____________________________
14Page 10 Discovering Computers and Microsoft Office 2007Chapter 1
Computer Software
• ____________________________, also called a ____________________________, tells the computer what tasks to perform and how to perform them
15Pages 11 - 12
Figures 1-8 - 1-9
Software
• Operating system
• Utility program
SoftwareClick to view Web Link,click Chapter 1, Click Web Link from left navigation, then click Windowsbelow Chapter 1
Discovering Computers and Microsoft Office 2007Chapter 1
Computer Software
• ____________________________ is the process of setting up software to work with the computer, printer, andother hardware
16Pages 12 - 13
Figure 1-10Discovering Computers and Microsoft Office 2007
Chapter 1
Computer Software
• A ____________________________ develops software or writes the instructions that direct the computer to process data into information
17Page 13
Figure 1-11Discovering Computers and Microsoft Office 2007
Chapter 1
Categories of Computers
Embedded computers
Supercomputers
Mainframes
Servers
Mobile computers and mobile devices
18Pages 14 - 15 Discovering Computers and Microsoft Office 2007Chapter 1
Personal Computers
• A _________________computer can perform all of its input, processing, output, and storage activities by itself
• Two popular architecturesare the PC and the Apple
– _______________computer
19Pages 15 - 16
Figures 1-13 - 1-14Discovering Computers and Microsoft Office 2007
Chapter 1
Mobile Computers and Mobile Devices
Personal computer you can carry from place to place
Examples include notebook computers, laptop computers, netbooks, and Tablet PCs
Computer
Computing device small enough to hold in your _______________
Examples include smart phones, PDAs, handheld computers, portable media players, and digital cameras
Mobile
20Pages 16 - 18 Discovering Computers and Microsoft Office 2007Chapter 1
Mobile Computers and Mobile Devices
Notebook computer
Tablet PC
PDA
21Pages 16 - 17
Figures 1-15 – 1-18Discovering Computers and Microsoft Office 2007
Chapter 1
Mobile Computers and Mobile Devices
Handheld computer
Digital camera
22Pages 17 - 18
Figures 1-19 – 1-20
Click to view Web Link,click Chapter 1, Click Web Link from left navigation, then click Digital Cameras below Chapter 1
Discovering Computers and Microsoft Office 2007Chapter 1
Game Consoles
• A ____________________________ is a mobile computing device designed for single-player or multiplayer video games
23Page 18
Figure 1-21Discovering Computers and Microsoft Office 2007
Chapter 1
Servers
• A ____________________________ controls access to the hardware, software, and other resources on a network
– Provides acentralized storage area for programs, data, and information
24Page 19
Figure 1-22Discovering Computers and Microsoft Office 2007
Chapter 1
Mainframes
• A ____________________________ is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously
25Page 19
Figure 1-23Discovering Computers and Microsoft Office 2007
Chapter 1
Supercomputers
• A ____________________________ is the fastest, most powerful computer
– Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second
26Page 19
Figure 1-24Discovering Computers and Microsoft Office 2007
Chapter 1
Embedded Computers
• An ____________________________ computer is a special-purpose computer that functions as a component in a larger product
27Page 19
Consumer Electronics
Home Automation Devices
Process Controllers and Robotics
Computer Devices and Office Machines
Discovering Computers and Microsoft Office 2007Chapter 1
____________________________ Computers
28Page 20
Figure 1-25Discovering Computers and Microsoft Office 2007
Chapter 1
Examples of Computer Usage
_______________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
____________User
• Connect to other computers on a network or the Internet
• Transfer information
• Play video games
• Listen to music
• Watch movies
29Pages 20 – 23
Figures 1-26 – 1-28Discovering Computers and Microsoft Office 2007
Chapter 1
Examples of Computer Usage
_____________User
• Work with multimedia
• Use industry-specific software
Enterprise User
• Communicate among employees
• Process high volumes of transactions
• Blog
30Pages 23 – 24
Figures 1-29 – 1-30
Click to view Web Link,click Chapter 1, Click Web Link from left navigation, then click Enterprise Computing below Chapter 1
Discovering Computers and Microsoft Office 2007Chapter 1
Computer Applications in Society
Finance
Government
31Pages 24 -26
Figures 1-31 – 1-34Discovering Computers and Microsoft Office 2007
Chapter 1
Computer Applications in Society
Science
Publishing
32Pages 26-27
Figures 1-35 – 1-38Discovering Computers and Microsoft Office 2007
Chapter 1
