meljun cortes computer introduction
TRANSCRIPT
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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