lecture1-cs200-chap1

Living in a Digital World

Discovering Computers Fundamentals,

2010 Edition

Objectives Overview

Discovering Computers Fundamentals, 2010 Edition Chapter 1

2See Page 1 for Detailed Objectives

Objectives Overview


3See Page 1 for Detailed Objectives

A World of Computers

• Computers are everywhere


4Pages 2 - 3 Figure 1-1

What Is a Computer?

• A computer is an electronic device, operating under the control of instructions stored in its own memory


5Pages 3 - 4

Information Processing Cycle

What Is a Computer?


6Page 4 Figure 1-2

The Components of a Computer

• A computer contains many electric, electronic, and mechanical components known as hardware


7Pages 4 - 7

The Components of a Computer


8Page 5 Figure 1-3

Advantages and Disadvantages of Using Computers

Advantages of Using Computers

Disadvantages of Using Computers


9Page 7

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


10Page 7

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

• The Internet 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



12Page 8 Figure 1-6


• People use the Internet for a variety of reasons:




• A social networking Web site encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users– Also called an online social network


14Page 10

Computer Software

• Software, also called a program, tells the computer what tasks to perform and how to perform them


15Pages 11 - 12Figures 1-8 - 1-9

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

Computer Software

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



Computer Software

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


17Page 13 Figure 1-11

Categories of Computers


18Pages 14 - 15

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


19Pages 15 - 16Figures 1-13 - 1-14

Mobile Computers and Mobile Devices


20Pages 16 - 18



21Pages 16 - 17Figures 1-15 – 1-18



22Pages 17 - 18Figures 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

Game Consoles

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



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



Mainframes

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



Supercomputers

• A supercomputer is the fastest, most powerful computer– Fastest supercomputers are capable of processing

more than one quadrillion instructions in a single second



Embedded Computers

• An embedded computer is a special-purpose computer that functions as a component in a larger product


27Page 19

Embedded Computers



Examples of Computer Usage


29Pages 20 – 23Figures 1-26 – 1-28

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

Examples of Computer Usage


30Pages 23 – 24Figures 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

Computer Applications in Society


31Pages 24 -26 Figures 1-31 – 1-34

Computer Applications in Society


32Pages 26-27Figures 1-35 – 1-38

Video: Computer History in a Barn


33

CLICK TO START

Summary


34Page 28

Living in a Digital World

Discovering Computers Fundamentals,

2010 Edition

Chapter 1 Complete

lecture1-cs200-chap1

Documents

edition chapter

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computer softwaresoftware

mechanical components

interneta network

electronic device

communications devices