Technology in Action, Fourth Edition

CGS 1000CGS 1000

Introduction to Computers and Introduction to Computers and TechnologyTechnology

Spring 2008Spring 2008

Technology in Action, Fourth Edition

TopicsTopics

SyllabusSyllabus Chapter 1Chapter 1 HawkMailHawkMail

Technology in Action, Fourth Edition

Chapter 1Chapter 1

Why Computers Matter to Why Computers Matter to You: You:

Becoming Computer FluentBecoming Computer Fluent

Technology in Action, Fourth Edition

ObjectivesObjectives

Computer fluencyComputer fluency Computers and careersComputers and careers Computer functionsComputer functions Data vs. information Data vs. information Computer hardware and softwareComputer hardware and software Societal challenges and computersSocietal challenges and computers Future technologiesFuture technologies

Technology in Action, Fourth Edition

What is Computer What is Computer Fluency?Fluency?

To be computer To be computer fluent you must:fluent you must: Understand a Understand a

computer’s computer’s capabilities and capabilities and limitationslimitations

Know how to Know how to use a computeruse a computer

Technology in Action, Fourth Edition

Make good purchase Make good purchase decisions decisions

Maintain your computer Maintain your computer Keep abreast of changes in Keep abreast of changes in

technologytechnology Understand the real risksUnderstand the real risks Use the Internet wiselyUse the Internet wisely Avoid online annoyancesAvoid online annoyances Avoid hackers and virusesAvoid hackers and viruses Protect your privacyProtect your privacy

Being a Savvy Computer Being a Savvy Computer UserUser

and Consumer and Consumer

Technology in Action, Fourth Edition

Computers in your Computers in your Career?Career?

Computer careers in:Computer careers in: BusinessBusiness The ArtsThe Arts The Medical FieldThe Medical Field Law EnforcementLaw Enforcement Legal FieldsLegal Fields EducationEducation The SciencesThe Sciences GamingGaming HomesHomes

Technology in Action, Fourth Edition

Computers in BusinessComputers in Business Point of Sale TerminalsPoint of Sale Terminals

Tracking merchandiseTracking merchandise

Data miningData mining

Technology in Action, Fourth Edition

Computers in FarmingComputers in Farmingand Ranchingand Ranching

Assist in managing complex farming Assist in managing complex farming business and information systemsbusiness and information systems

RFID tags track and record animals RFID tags track and record animals in case of diseasesin case of diseases

Computerized sensors and Computerized sensors and equipment activation protect cropsequipment activation protect crops

Technology in Action, Fourth Edition

Computers in the ArtsComputers in the Arts

Virtual artVirtual art Virtual danceVirtual dance

Technology in Action, Fourth Edition

Computers in the Computers in the Medical Field Medical Field

Virtual reality in medical applicationsVirtual reality in medical applications Patient simulatorPatient simulator Da Vinci Surgical Da Vinci Surgical

SystemSystem

Technology in Action, Fourth Edition

Computers in Law Computers in Law EnforcementEnforcement

Computer forensicsComputer forensics

Technology in Action, Fourth Edition

Computers in the Legal Computers in the Legal FieldsFields

Surveillance Surveillance camerascameras

Forensic animationForensic animation

Technology in Action, Fourth Edition

Computers in EducationComputers in Education

Computers in the Computers in the classroomclassroom

Distance Distance educationeducation

Computerized Computerized researchresearch

The InternetThe Internet

Technology in Action, Fourth Edition

Computers and the Computers and the SciencesSciences

SupercomputersSupercomputers ArcheologyArcheology MeteorologyMeteorology

Technology in Action, Fourth Edition

Computers in SportsComputers in Sports

TrainingTraining Timing and Timing and

scorekeepingscorekeeping Data storage and Data storage and

statisticsstatistics ““Smartballs” Smartballs”

sense when sense when soccer goals are soccer goals are scoredscored

Technology in Action, Fourth Edition

Computer Gaming Computer Gaming CareersCareers

ProgrammingProgramming 3D animation3D animation

Technology in Action, Fourth Edition

Computers at HomeComputers at Home

RoboticsRobotics Smart appliancesSmart appliances

Robomower

Internet-connected refrigerator

Technology in Action, Fourth Edition

Technology of TomorrowTechnology of Tomorrow

NanoscienceNanoscience Biomedical chip implantsBiomedical chip implants Artificial IntelligenceArtificial Intelligence

Technology in Action, Fourth Edition

NanoscienceNanoscience

Molecules and nanostructuresMolecules and nanostructures Nanomachines Nanomachines

Four-α-helix protein scaffold

5.4nm

Fluid flow inside Nanomachines

Technology in Action, Fourth Edition

Biomedical Chip Biomedical Chip ImplantsImplants

Technological Technological solutions to physical solutions to physical problemsproblems

Identity chipsIdentity chips

Retinal Implants

VeriChip

Technology in Action, Fourth Edition

Artificial IntelligenceArtificial Intelligence

RobotsRobots Neurons vs. MicrochipsNeurons vs. Microchips

Technology in Action, Fourth Edition

Challenges Facing a Digital Challenges Facing a Digital SocietySociety

Computer use Computer use ethicsethics

Privacy risksPrivacy risks Personal data Personal data

collectioncollection Monitoring e-mailMonitoring e-mail Copyright Copyright

infringement infringement Software piracySoftware piracy

Technology in Action, Fourth Edition

Becoming Computer Becoming Computer FluentFluent

Data processingData processing Bits and bytesBits and bytes Computer hardwareComputer hardware Computer softwareComputer software Computer platformsComputer platforms Specialty computersSpecialty computers

Technology in Action, Fourth Edition

Computers are Data Computers are Data Processing DevicesProcessing Devices

Four major functions:Four major functions: Input dataInput data Process dataProcess data Output informationOutput information Store data and informationStore data and information

DATA IN

INFORMATION OUT

Technology in Action, Fourth Edition

Bits and Bytes: Bits and Bytes: The Language of The Language of

ComputersComputers BitBit

Binary digitBinary digit 0 or 10 or 1

ByteByte Eight bitsEight bits

ASCII ASCII Each byte represents Each byte represents

a letter, number or a letter, number or special characterspecial character

OFF

0ON

1Microchip Microchip SwitchSwitch

10 0 001 1

= 40

0 0 0 0 01 1

= A0

Technology in Action, Fourth Edition

How Much is a Byte?How Much is a Byte?NAME ABBREVIATION NUMBER OF

BYTESRELATIVE SIZE

Byte B 1 byte Can hold one character of data.

Kilobyte KB 1,024 bytes Can hold 1,024 characters or about half of a typewritten page double-spaced.

Megabyte MB 1,048,576 bytes A floppy disk holds approximately 1.4 MB of data, or approximately 768 pages of typed text.

Gigabyte GB 1,073,741,824 bytes Approximately 786,432 pages of text. Since 500 sheets of paper is approximately 2 inches, this represents a stack of paper 262 feet high.

Terabyte TB 1,099,511,627,776 bytes

This represents a stack of typewritten pages almost 51 miles high.

Petabyte PB 1,125,899,906,842,624 bytes

The stack of pages is now 52,000 miles high, or about one-fourth the distance from the Earth to the moon.

Technology in Action, Fourth Edition

Computer HardwareComputer Hardware

Input devicesInput devices System unitSystem unit Output devicesOutput devices Storage devicesStorage devices

Technology in Action, Fourth Edition

Th

e rain in

Sp

ain

Input DevicesInput Devices Enter data to be processedEnter data to be processed

KeyboardKeyboard ScannersScanners MouseMouse TrackballTrackball Touch screenTouch screen MicrophoneMicrophone Game controllerGame controller Digital camera Digital camera

A BCD

Technology in Action, Fourth Edition

System UnitSystem Unit Cabinet that houses all componentsCabinet that houses all components MotherboardMotherboard CPUCPU Memory modulesMemory modules

System UnitCPU

Motherboard

Memory Module

Technology in Action, Fourth Edition

Output DevicesOutput Devices Enable us to see or hear the Enable us to see or hear the

processed informationprocessed information MonitorMonitor SpeakersSpeakers PrintersPrinters

Technology in Action, Fourth Edition

Storage DevicesStorage Devices

Enable us to store data or Enable us to store data or information to be accessed again information to be accessed again

Hard Disk Drive CD / DVD DriveFloppy Disk

Flash Drive

Technology in Action, Fourth Edition

Computer SoftwareComputer Software

SoftwareSoftware - programs - programs that enable the hardware that enable the hardware to perform different tasksto perform different tasks

Application softwareApplication software Tools for getting Tools for getting

things donethings done

Technology in Action, Fourth Edition

Computer SoftwareComputer Software

System softwareSystem software Essential for platform operation and Essential for platform operation and

supportsupport

Technology in Action, Fourth Edition

Computer Platforms: Computer Platforms: PCs and MacsPCs and Macs

PCPC CPU – Intel, AMDCPU – Intel, AMD Operating system – Operating system –

Microsoft WindowsMicrosoft Windows

MacMac CPU – MotorolaCPU – Motorola Operating system – Operating system –

Apple Mac OSApple Mac OS

Technology in Action, Fourth Edition

Specialty ComputersSpecialty Computers PDAPDA ServerServer MainframeMainframe SupercomputerSupercomputer Microcontrollers Microcontrollers

Server

Mainframe

Supercomputer

PDA

Technology in Action, Fourth Edition

Questions?Questions?