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Chapter 1 Introduction to ComputersChapter 1 ObjectivesA World of ComputersWhat Is a Computer?Slide 5The Components of a ComputerSlide 7Slide 8Slide 9Slide 10Slide 11Slide 12Slide 13Slide 14Slide 15Advantages and Disadvantages of Using ComputersSlide 17Networks and the InternetSlide 19Slide 20Slide 21Slide 22Computer SoftwareSlide 24Slide 25Slide 26Slide 27Slide 28Categories of ComputersPersonal ComputersSlide 31Mobile Computers and Mobile DevicesSlide 33Slide 34Slide 35Slide 36Slide 37Game ConsolesServersEmbedded ComputersElements of an Information SystemExamples of Computer UsageSlide 43Slide 44Slide 45Slide 46Computer Applications in SocietySummary of Introduction to ComputersDiscovering Computers 2009Chapter 1 Introduction toComputersChapter 1 ObjectivesRecognize the importance of computer literacyRecognize the importance of computer literacyDefine the term, computerDefine the term, computerIdentify the componentsof a computerIdentify the componentsof a computerDiscuss the advantages and disadvantages of using computersDiscuss the advantages and disadvantages of using computersRecognize the purpose of a networkRecognize the purpose of a networkDiscuss the uses of the Internet and World Wide WebDiscuss the uses of the Internet and World Wide WebDistinguish between system software and application softwareDistinguish between system software and application softwareDescribe the categories of computersDescribe the categories of computersIdentify the elements of an information systemIdentify the elements of an information systemDescribe the various types of computer users Describe the various types of computer users Discuss various computer applications in societyDiscuss various computer applications in societyNextA World of ComputersWhat is computer literacy (digital literacy)?p. 4-5 Fig. 1-1NextCurrent knowledge and understanding of computers and their usesComputers are everywhereHow is a computer defined?What Is a Computer?p. 6Produces and stores resultsNextElectronic device operating under the control of instructions stored in its own memoryProcesses data into informationinformationConveys meaning and isuseful to peopleAccepts datadataCollection of unprocessed itemsWhat Is a Computer?What is the information processing cycle?p. 6 Fig. 1-2NextInputProcessOutputStorageCommunicationThe Components of a ComputerWhat is an input device?p. 7 Fig. 1-3 Hardware used to enter dataand instructionsNextClick to view Web Link,click Chapter 1, Click Web Linkfrom left navigation, then click Input Devices below Chapter 1The Components of a ComputerWhat is an output device?p. 7 - 8 Fig. 1-3 Hardware that conveys information to one or morepeopleNextClick to view Web Link,click Chapter 1, Click Web Linkfrom left navigation, then click Output Devices below Chapter 1The Components of a ComputerWhat is the system unit?p. 7 - 8 Fig. 1-3Next Case that containsthe electronic components of the computer that are used to process dataThe Components of a ComputerWhat are two main components on the motherboard?p. 8ProcessorProcessorAlso called a Central Processing Unit (CPU)The electronic component that interprets and carries out the basic instructions that operate the computerNextMemoryMemoryConsists of electronic components that store instructions waiting to be executed and data needed by those instructionsThe Components of a ComputerWhat is storage?p. 8Storage mediaStorage mediaPhysical material on which data, instructions, and information are storedStorage mediaStorage mediaPhysical material on which data, instructions, and information are storedStorage deviceStorage deviceRecords and retrieves items to and from storage mediaStorage deviceStorage deviceRecords and retrieves items to and from storage mediaNextHolds data, instructions, and information for future useThe Components of a ComputerWhat is a USB flash drive?p. 8NextPortable storage device Small and lightweight enough to be transported on a keychain or in a pocketThe average USB flash drivecan hold about 2 billioncharactersPortable storage device Small and lightweight enough to be transported on a keychain or in a pocketThe average USB flash drivecan hold about 2 billioncharactersThe Components of a ComputerWhat is a hard disk?p. 8 Fig. 1-4NextProvides greater storage capacity than a USB flash driveMost are housed inside the system unitThe Components of a ComputerVideo: Speed Up Your Hard DriveNextCLICK TO STARTThe Components of a ComputerWhat is a compact disc?p. 9 Fig. 1-5NextFlat, round, portable metal discCDDVDThe Components of a ComputerWhat is a communications device?Nextp. 9Hardware component that enables a computer to send and receive data, instructions, and informationHardware component that enables a computer to send and receive data, instructions, and informationOccurs over cables, telephonelines, cellular radio networks,satellites, and other transmission mediaOccurs over cables, telephonelines, cellular radio networks,satellites, and other transmission mediaClick to view Web Link,click Chapter 1, Click Web Linkfrom left navigation, then click Communications Devices below Chapter 1Storage CommunicationsAdvantages and Disadvantages of Using Computersp. 10What are the advantages of using computers?SpeedReliabilityNextConsistencyImpact onLabor ForceAdvantages and Disadvantages of Using Computersp. 10 - 11What are the disadvantages of using computers?NextViolation ofPrivacyHealth RisksPublic SafetyImpact onEnvironmentNetworks and the InternetWhat is a network?p. 11NextCollection of computers and devices connected together, often wirelesslyUsed to shareUsed to shareResourcesResourcesHardware devicesHardware devicesSoftware programsSoftware programsDataDataSaves time and moneySaves time and moneyInformationInformationNetworks and the InternetWhat is a server?p. 11 Fig. 1-6NextA server controls access to resources on a networkClients, or workstations, request resources from the serverNetworks and the InternetWhat is the Internet?p. 12 Fig. 1-7NextWorldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individualsClick to view Web Link,click Chapter 1, Click Web Linkfrom left navigation, then click Internetbelow Chapter 1Networks and the Internetp. 12 - 13 Fig. 1-8Why do users access the Internet?2. Research and Information3. Shopping4. Banking and Investing5. Classes6.


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GSU CSC 1010 - Chapter01

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