1- the technology revolution

8/9/2019 1- The Technology Revolution

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Copyright Prentice Hall, Inc. 1

Computers:Information Technology in Perspective, 11e

Larry Long and Nancy Long

Chapter 1

The Technology Revolution


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Objectives Once you have read and studied this chapter, you will

have learned: How inforation technology influences our society and you at

wor!, at hoe, and at play.

"hat it eans to achieve I# copetency and becoe an activeparticipant in our inforation society. How local and worldwide coputer networ!s ipact businesses

and society. $ssential hardware, software, and coputer syste terinology

that will enable you to begin your inforation technology

learning adventure with confidence. #he relative si%e, scope, uses, and variety of available coputer

systes. #he fundaental coponents and capabilities of an I# syste. & variety of enterprise coputing and personal coputing

applications.


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"hy this chapter is iportant to you(

Coputers and technology are a part ofeverything we do

Coputers and new technologies will continueto play an even greater role in the future

Coputers help a!e wor! tas!s easier

#he ore you !now about coputers the oreoney you are capable of earning


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Our Inforation *ociety

&s! yourself what itwill be li!e in the year

2++ -ost adults are

considered!nowledge wor!ers

I# changes how wewor!, learn, and

counicate nowing coputers

will help you copewith I#


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#he #echnology 0evolution: #oday

&t "or! #he obile wor!er Productivity Counication &ccess

&t Hoe Counication Personal correspondence Hoewor! Connection

&t Play 1eisure activities

Counication aing Connection


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#he #echnology 0evolution: #oorrow

*earch for a hoearound the country

Obtain a doctor4sconsultation viateleedicine

Inforation

superhighway willconnect every facet ofour society


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1oo!ing 6ac! a 7ew 8ears

19!

19"!s

mid#

19$!s

%!!1

$9&IC ;9I


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0= for Cyberphobia: Inforation

#echnology Copetency 7eeling cofortable

-a!ing the coputer wor!for you

Interacting with thecoputer

Cofortable in cyberspace

;nderstanding the ipact of

coputers on society -a!ing intelligent decisions

nowing the lingo


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0easons to 6ecoe I#>Copetent

Personal #ravel arrangeents

*ports scores

-anaging finances

"or!place *trategic planning

Copetitive advantage

Obtaining wor! Aay>to>day processes

Productivity

$ducational &ny>tie>any place

learning

Individual learning

*ocietal $thical issues

Harful ris!s

Curiosity 9atural curiosity for I#

power


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#he Coputer Proficiency Aigital Aivide

2/+ illion people areconsidered !nowledgewor!ers

2++ illion are notconsidered I# copetent

-ost thin! they are I#copetent

Buestions to as!: Can you list five critical I#

issues

"hich port is faster, ;*6or '@)

"hen should you use yourdefragenter

"hat type of wiring do youneed for a hoe networ!

#he list goes on and onD


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#he 9$# Connection:

Our lobal



#he 9et Connection:

#he Internet #he Internet connects illions of

coputers in every country allover the world

&ll colleges and ost businesses

have access to the Internet -ost subscribe to an I*P to gain

Internet access Others subscribe to an

inforation service, such as &O1 & ode perits access via

phone andFor cable Individuals can access "eb

sites, usic, products and lotsore


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#he 6asics: Hardware

& coputer syste: Input

eyboardF-ouse

Processor Chip Output

-onitorFPrinter *torage

Peranent GHard Ais! #eporary G0&-

& processor is the heartof the coputer


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#he 6asics: *oftware

*oftware tells thecoputer what to do

*yste software ta!es

control of the coputerupon start up "indows AO*

&pplication softwareperfors specific tas! "ord $=cel


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#he 6asics: Coputer *ystes

1ow end /++ des!top High end very e=pensive

supercoputer

HighFlow end all have saefour syste coponents: Input Processing Output *torage



Personal Coputers

@?: I6- PC

-any anufacturers

followed with ++EI6- PC copatibles

Other PCs:&pple Power -ac

Powerboo!

i-ac



9oteboo! PCs

$arly noteboo! PCs did nothave the power of a des!topPC

9ow noteboo!s offer the sae

level of perforance 9oteboo! PCs:

1ight Copact Portable & doc!ing station is used to

configure the noteboo! to actli!e a larger des!top

Ports allow devices to beconnected, such as a printer


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Aes!top PCs

#ypical Aes!top PC: -otherboard eyboard

Point and draw device -onitor Printer Hard dis! 7loppy CA>0O- or A0O- -icrophone *pea!ers


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"earable PCs

Cable connected odules that fitinto headsets, drape onshoulders, hang around the nec!,or ore

#1C PC for paraedics is a goode=aple

&s tie goes on vendors will beconcerned with fashion, as wellas function

#he 6ody 9et is a great e=aple


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Handhelds

*pecifically designed tobe held in the hand

$=aple: Paltop PA& Organi%er

*oe have wireless

capability ;se an electronic pen to

wor! with ost


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#hin Clients

1oo!s li!e a PC

*all

1ess 0&- 9o internal hard dis!

1ess e=pensive

Aepends on a centralnetwor!


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"or!stations

7or power users

7aster at crunchingnubers

#ypically has a large>screen color onitor

Point and draw devicescan be cobined

&dd>on !eypads cane=pand functions


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*erver Coputers

Center of networ!s Can be a PC or a

supercoputer & client coputer

reJuests resources forthe server coputer

*erver runs bac!>end

applications Client runs front>end

applications


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*upercoputers

*upercoputers addressprocessor>boundapplications

++ ties faster than acorporate server

#oday use: &irplane siulation &uto accident siulation &dvanced graphics for

ovies &nd lots oreD


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Coputer *yste Capabilities

Processing Aata and Producing Inforation Inforation used to be

only collected, sorted,suari%ed, e=changed

and processed 9ow inforation

counicates, a!esoney available via

-s, teaches, and lotsore


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Coputers in &ction:

& Payroll *yste -ost organi%ations

use a payroll syste

#he syste enablesinput and processesthe chec!s

#he syste also

processes reportsand storesinforation


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"hat Can a Coputer Ao

Coputation Operations Coputers can:

&dd

*ubtract-ultiply

Aivide

Ao e=ponentiation


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"hat Can a Coputer Ao

1ogic Operations Coputers have the

logical capability to

copare betweennubers andbetween words


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#he Coputer4s *trengths

*peed &ccuracy

Consistency 0eliability Counications -eory capability Huan vs. coputer

capabilities


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How Ao "e ;se Coputers

$nterprise Coputing Inforation systes

ProcessFdevice control *cience, research, engineering

Personal Coputing

aes $ducation"or!


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Coputer Aecisions

Purchasing decisions

*oftware decisions

"ord processing Presentation

*preadsheet

Aatabase

&nd oreD


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*uary

Our Inforation *ociety I# copetency

etting connectednowing the hardware basics

Personal coputers to supercoputers

Coputer syste capabilities;sing coputers

1- the technology revolution

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