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Discovering Computers 2008FundamentalsFourth Edition

Discovering Computers 2008FundamentalsFourth Edition

Chapter

Introduction toComputers

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A World of Computers

What is computer literacy ?

p. 2 - 3 Fig. 1-1 Next

Knowledge and understandingof computers and their usesComputers are everywhere

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How is a computer defined?

What Is a Computer?

p. 3

Produces and stores results

Next

Electronic device that is controlled by instructions.

Processes data intoinformation

Data that is organized,meaningful, and useful

Accepts dataRaw facts, figures, andsymbols

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6 areas of Computer Technology

Hardware –

parts of the computeryou can touch

• Input devices• Processing devices• Output devices• Storage devices• Communications devices

Software – the instructions

• Application SW• System SW

Data – the files that wecreate and save

• Hierarchy of dataPeople – computer professionals• Careers in computers

Procedures – the rules• Ethics• Programming languages

Telecomm . - when computerstalk to each other

• Networking

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Categories of Computers

p. 13 Next

What are the categories of computers?Personal Computers

(desktop)

Mobile Computers andMobile Devices

Game Consoles

Servers

Mainframes

Supercomputers

Embedded Computers

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Personal Computers

What are the two most popular series of personalcomputers ?

p. 14 Figs. 1-13 –1-14 Next

Click to view Web Link,click Chapter 1, ClickWeb Link from leftnavigation, then click PersonalComputers below Chapter 1

Apple Macintoshusually uses theMacintosh operatingsystem (Mac OS X)

PC and compatiblesuse the Windows

operating system

http://www.scsite.com/dcf4ecp/ch1/weblink/

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Mobile Computers and Mobile Devices

What is a notebook computer ?

p. 14 - 15 Fig. 1-15 Next

Portable, small enoughto fit on your lapAlso called a laptopcomputerGenerally moreexpensive than desktopcomputers with equalcapabilities

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Game Consoles

What are game consoles ?

p. 16 Fig. 1-19 Next

Mobile computing device designed forsingle-player or multiplayer video games

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Servers

What types of servers are there?

p. 16 - 17 Figs. 1-20 –1-22

Mainframe Very powerful,expensive computer that supportsthousands of connected users

Supercomputer The fastest, mostpowerful, most expensivecomputer. Used for applicationsrequiring complex mathematicalcalculations

Next

A server controls access to networkresources and provides centralizedstorage

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Embedded Computers

What is an embedded computer ?A special-purpose computer that functions as acomponent in a larger product

p. 17 - 18 Fig. 1-23 Next

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Computer Applications in Society

What are some examplesof computer applicationsin society?

p. 22-25 Figs. 1-30 –1-37 Next

EducationFinanceGovernmentHealth CareSciencePublishing

TravelManufacturing

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The Lab

Complete Lab Assignment 1Start WordStart ExcelStart Access

Start PowerPointOpen a data file from the student directory in eachapplication.

Connect to: scsite.com/dcf4e

http://www.scsite.com/dcf4ehttp://www.scsite.com/dcf4e