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Discovering Computers Chapter 1Discovering Computers & Microsoft Office 2010

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Objectives OverviewDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 12See Page 1 for Detailed Objectives

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Objectives OverviewDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 13See Page 1 for Detailed Objectives

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A World of ComputersComputers are everywhereDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 14Pages 2 - 3 Figure 1-1

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What Is a Computer?A computer is an electronic device, operating under the control of instructions stored in its own memoryDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 15Pages 3 - 4Information Processing Cycle

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What Is a Computer?Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 16Page 4 Figure 1-2

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The Components of a ComputerA computer contains many electric, electronic, and mechanical components known as hardwareDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 17Pages 4 - 7

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The Components of a ComputerDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 18Page 5 Figure 1-3

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Advantages and Disadvantages of Using ComputersAdvantages of Using ComputersDisadvantages of Using ComputersDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 19Page 7

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Advantages and Disadvantages of Using ComputersGreen computing involves reducing the electricity consumed and environmental waste generated when using a computerStrategies include:RecyclingRegulating manufacturing processesExtending the life of computersImmediately donating or properly disposing of replaced computersDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 110Page 7

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Networks and the InternetA network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission mediaThe Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individualsDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 111Page 8

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Networks and the InternetDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 112Page 8 Figure 1-6

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Networks and the InternetPeople use the Internet for a variety of reasons:Discovering Computers & Microsoft Office 2010: Discovering Computers Chapter 113Pages 8 - 9 Figure 1-7

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Networks and the InternetA social networking Web site encourages members to share their interests, ideas, stories, photos, music, and videos with other registered usersAlso called an online social networkDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 114Page 10

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Computer SoftwareSoftware, also called a program, tells the computer what tasks to perform and how to perform themDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 115Pages 11 - 12Figures 1-8 - 1-9

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Computer SoftwareInstalling is the process of setting up software to work with the computer, printer, and other hardwareDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 116Pages 12 - 13 Figure 1-10

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Computer SoftwareA programmer develops software or writes the instructions that direct the computer to process data into informationDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 117Page 13 Figure 1-11

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Categories of ComputersDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 118Pages 14 - 15

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Personal ComputersA personal computer can perform all of its input, processing, output, and storage activities by itselfTwo popular architectures are the PC and the AppleDesktop computerDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 119Pages 15 - 16Figures 1-13 - 1-14

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Mobile Computers and Mobile DevicesDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 120Pages 16 - 18

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Mobile Computers and Mobile DevicesDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 121Pages 16 - 17Figures 1-15 1-18

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Mobile Computers and Mobile DevicesDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 122Pages 17 - 18Figures 1-19 1-20

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Game ConsolesA game console is a mobile computing device designed for single-player or multiplayer video gamesDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 123Page 18 Figure 1-21

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ServersA server controls access to the hardware, software, and other resources on a networkProvides a centralized storage area for programs, data, and informationDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 124Page 19 Figure 1-22

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MainframesA mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneouslyDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 125Page 19 Figure 1-23

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SupercomputersA supercomputer is the fastest, most powerful computerFastest supercomputers are capable of processing more than one quadrillion instructions in a single secondDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 126Page 19 Figure 1-24

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Embedded ComputersAn embedded computer is a special-purpose computer that functions as a component in a larger productDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 127Page 19

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Embedded ComputersDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 128Page 20 Figure 1-25

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Examples of Computer UsageDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 129Pages 20 23Figures 1-26 1-28

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Examples of Computer UsageDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 130Pages 23 24Figures 1-29 1-30

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Computer Applications in SocietyDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 131Pages 24 -26 Figures 1-31 1-34

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Computer Applications in SocietyDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 132Pages 26-27Figures 1-35 1-38

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SummaryDiscovering Computers & Microsoft Office 2010: Discovering Computers Chapter 133Page 28

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Discovering Computers Chapter 1Discovering Computers & Microsoft Office 2010

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