the world of computers
DESCRIPTION
The World of Computers. Chapter 1. For Cyberphobia. Computer Competency. Input Output Hardware Software Programs. Computer Usage. Information Systems Personal Computing Word Processing Desktop Publishing Spreadsheet Database Graphics Communications. Computer’s Strengths. - PowerPoint PPT PresentationTRANSCRIPT
Copyright Prentice-Hall, Inc. 1998 1-1
The World of ComputersThe World of Computers
Chapter 1Chapter 1
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For CyberphobiaFor Cyberphobia
InputInputOutputOutputHardwareHardwareSoftwareSoftwareProgramsPrograms
Computer CompetencyComputer Competency
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Computer UsageComputer Usage Information SystemsInformation Systems Personal ComputingPersonal Computing
Word ProcessingWord Processing Desktop PublishingDesktop Publishing SpreadsheetSpreadsheet DatabaseDatabase GraphicsGraphics CommunicationsCommunications
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Computer’s StrengthsComputer’s Strengths SpeedSpeed AccuracyAccuracy ConsistencyConsistency ReliabilityReliability Memory CapabilityMemory Capability
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Supermarket computingPoint of sale (POS) terminals
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Computer UsageComputer Usage CommunicationCommunication Science, Research, & EngineeringScience, Research, & Engineering Education & ReferenceEducation & Reference Computer-Aided DesignComputer-Aided Design Entertainment & EdutainmentEntertainment & Edutainment
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Powerful graphics software
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Computer graphics to model lighting effects
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Research tools
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NASA computer use for simulations
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Computers as diagnostic and monitoring tools
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Multimedia presentations for recordingtext, video and audio (courtroom depositions)
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Computers as recreational devices
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The Computer RevolutionThe Computer RevolutionPersonal ComputersPersonal ComputersPCsPCse-maile-mailBBSsBBSsN I I N I I Information Information SuperhighwaySuperhighway
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The Computer RevolutionThe Computer Revolution
DataData
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The Computer RevolutionThe Computer Revolution
DataData InformationInformation
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The Computer RevolutionThe Computer Revolution
DataData InformationInformation
RecordRecord
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The Computer RevolutionThe Computer Revolution
DataData InformationInformation
RecordRecord MasterMasterFileFile
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Early mass production in the auto industry
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Modern mass production methods in theauto industry using computer-driven automation
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Computerized maps using GPS technology
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Networking: Networking: The Global VillageThe Global Village
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The Internet & Going On-lineThe Internet & Going On-line
The NetThe NetInformation ServicesInformation Services
Offline / Online OperationOffline / Online OperationDownload / Upload CapabilitiesDownload / Upload Capabilities
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Electronic Commerce
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AOL Channels
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Computer SystemsComputer SystemsPersonal ComputerPersonal Computer
WorkstationWorkstation
Midsize MainframeMidsize Mainframe
MainframeMainframe
SupercomputerSupercomputer
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MicrocomputersMicrocomputers Pocket PCsPocket PCs Laptop PCsLaptop PCs Desktop PCsDesktop PCs Peripherals Peripherals PDAsPDAs Multimedia Multimedia WorkstationsWorkstations
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Palmtop computers
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Personal Digital Assistant (PDA)handheld computer for note taking
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Executive daytimer with pen input device
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Laptop computing by a real estate agent
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Docking station for portability and flexibility
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Home computing
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Workstation (software retrieval only as needed)
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Mainframe ComputersMainframe Computers Enterprise-wide SystemsEnterprise-wide Systems
Host ComputerHost Computer VDT or TerminalVDT or Terminal Input/Output-Bound ApplicationsInput/Output-Bound Applications
MinicomputersMinicomputers SupercomputersSupercomputers
Processor-Bound ApplicationsProcessor-Bound Applications
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Networked environment for business computing
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Computer Aided Design (CAD)
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Mainframe computing
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Super computing (Cray T3E-900)(1 trillion operations per second)
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Supercomputer simulation of impact oftitanium golf club head and ball
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Basic ComputereseBasic ComputereseProcessorProcessor
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Basic ComputereseBasic ComputereseProcessorProcessorComputer SystemComputer System
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Basic ComputereseBasic ComputereseProcessorProcessorComputer SystemComputer SystemMonitor (Soft Copy)Monitor (Soft Copy)
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Basic ComputereseBasic ComputereseProcessorProcessorComputer SystemComputer SystemMonitor (Soft Copy)Monitor (Soft Copy)Printer (Hard Copy)Printer (Hard Copy)
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Basic ComputereseBasic ComputereseProcessorProcessorComputer SystemComputer SystemMonitor (Soft Copy)Monitor (Soft Copy)Printer (Hard Copy)Printer (Hard Copy)KeyboardKeyboard
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Basic ComputereseBasic ComputereseProcessorProcessorComputer SystemComputer SystemMonitor (Soft Copy)Monitor (Soft Copy)Printer (Hard Copy)Printer (Hard Copy)KeyboardKeyboardMouseMouse
UNFAIR!
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Basic ComputereseBasic ComputereseProcessorProcessorComputer SystemComputer SystemMonitor (Soft Copy)Monitor (Soft Copy)Printer (Hard Copy)Printer (Hard Copy)KeyboardKeyboardMouseMouseChipsChips
RAMRAMIntegrated CircuitsIntegrated Circuits
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Specialized multimedia and communication devices
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Computers can....Computers can.... Input/Output OperationsInput/Output Operations Processing OperationsProcessing Operations
Computational OperationsComputational Operations PAY = HOURS_WORKED * PAY_RATEPAY = HOURS_WORKED * PAY_RATE
Logic OperationsLogic OperationsIF HOURS_WORKED > 40 THEN PAY_OVERTIMEIF HOURS_WORKED > 40 THEN PAY_OVERTIME
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Summary Summary DiscussionDiscussion
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Coming Coming Next:Next:
Inside the
ComputerChapter Chapter 22