Fully ONLINE CISM 1120
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This 47 page Class Notes was uploaded by Kenyatta McDermott on Monday October 12, 2015. The Class Notes belongs to CISM 1120 at Georgia Southern University taught by Joseph Bullington in Fall. Since its upload, it has received 69 views. For similar materials see /class/222070/cism-1120-georgia-southern-university in Computer Information Systems at Georgia Southern University.
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Date Created: 10/12/15
Discovering Computers 2009 Chapter 1 Introduction to Computers Chapter 1 Objectives Recognize the importance of computer literacy De ne the term computer Distinguish between system software and application software Identify the components of a computer Describe the categories of computers Discuss the advantages and disadvantages of using computers Identify the elements of an information system Recognize the purpose of a network Describe the various types of computer users Discuss the uses of the Internet and World Wide Web Discuss various computer applications in society A World of Computers What is computer literacy digital literacy gt Current knowledge and understanding I of computers and their uses gt Computers are everywhere p 45 Fig 1 1 What e a omputer How is a computer de ned gt Electronic device operating under the control of instructions stored in its own memory Processes data into information Conveys meaning and is useful to people slum What Is a Computer What is the information processing cy gt Input W gt Process 9 3 gt Output 3 gig gt Storage w gt m V gt Communication mam Ema amz mum on an men use no campun mm GPA p 50 INFDRMATION p6 Fig 12 The Components of a Computer What is an input device gt Hardware used 39 to enter data aquot and instructions I a i Click to View Web Link click Chapter 1 Click Web Link from Ie navigation then click Input Devices below Chapter 1 p7 Fig 13 The Components of a Computer What is an output device gt Hardware that conveys information to one or more people Click to View Web Link click Chapter 1 Click Web Link from Ie navigation then click Output Devices below Chapter 1 p 7 8 Fig 1 3 The Components of a Computer What is the system unit gt Case that contains the electronic components of the computer that are used to process data p 7 8 Fig 1 3 The Components of a Computer What are two main components on thermoftherbioardi Processor Also called a The electronic component that interprets and carries out the basic instructions that operate the computer Vieuwry Consists of electronic components that store instructions waiting to be executed and data needed by those instructions The Components of a Computer What is storage gt Holds data instructions and information for future use Storage media Physical material on which data instructions and information are stored items Lia mm The Components of a Computer What is a USB ash drive gtPortable storage device gtSmall and lightweight enougl to be transported on a keycha39 l 1 53 or in a pocket gtThe average USB flash drive can hold about 2 billion characters X E The Components of a Computer What is a hard disk gt Provides greater storage capacity than a USB ash drive gt Most are housed inside the system unit p8 Fig 14 The Components of a Computer Videoi Speed Up Your Hard Drive CLICK TO START The Components of a Computer What is a compact disc gt Flat round portable metal disc CD 39 39 DVD 39 p9 Fig 15 The Components of a Computer Vhat 117f f w LWif3ihn Hardware component that enables a computer to 1 ephena wigs tam n r V Click to View Web Link click Chapter 1 Click Web Link from Ie navigation then click Communications Devices below Chapter 1 p9 Advantages and Disadvantages of Using Comguters What are the advantages of using computers Reliability Consistency Storage Communications Advantages and Disadvantages of Using Comguters What are the disadvantages of using computers Violation of Privacy Impact on Environment p1011 Networks and the Internet What is a network gt Collection of computers and devices connected together often wirelessly Networks and the Internet What is a server gt A server controls access to resources on a network gt Clients 0r workstations request resources from the server p 11 Fig 16 Networks and the Internet What is the Internet gt Worldwide collection of networks that connects millions of businesses government agencies educational institutions and individuals Click to View Web Link click Chapter 1 Click Web Link from le navigation then click Internet below Chapter 1 p 12 Fig 1 7 Networks and the Internet Why do users access the Internet Communications Research and Information Shopping Banking and Investing Classes Entertainment Download Music ooucnsrakswsvr Share Information p 12 13 Fig 18 Networks and the Internet What is the gt Billions of documents called 7 5 gr available to anXV one connected to the Internet armrme M i all afar 1ij rlctmrrl ing Wish silc 3amp1 afWQ EE photo sharing x Chilllilllilil iron A consists of time stamped articles in Clicktoview 39 a Journal format Web Link 3 click Chapter 1 a Click Web Link 39 from Ie navigation then click Sharing Videos below Chapter 1 p 12 14 Computer Software What is software Consists of a series of instructions that tells the computer what to do and Computer Software What is a graphical user interface GUI gt Allows you to interact with the software using text graphics and Visual images such as icons gt Controls how you enter data and instructions and how the screen displays information p 15 Fig 110 Computer Software What is system software gt Programs that control or maintain the operations of the computer and its devices 39U LFIIJJ Lry Programs 21110 the user to pcrfonn maintenancelpr tasks usually related to managing a Click to View Web Link 39 v 39 click Chapter 1 Click computer 115 ClC lCCS Of Its pl OgI lelS Web Link from Ie navigation then click 39 Windows Vista below Chapter 1 p 1516 Computer Software What is application software gt Programs designed to make users more productive Word Processing Spreadsheet Presentation Database Graphics p 16 Fig 1 11 Computer Software How do you install and run programs Step 1 INSTALL When you mean a gram am such as Mimosa Once quotMalian yuu can instruct me compute lo run swam in ma CD or DVD drive lot Ihe rst me the m1 ram 11w computer uznsVers Inslmcuons computer bemns me pmcedure 01 Installing me ham Ihe ham d sk to mamaw 39 program an Ihe ham msk CU 01 DVD ep 3 USE The nmwnm axecnuts so mm mu can use n Ms mngxam pmnes ass39siance mm mm and olnarana emm asswgnmgms p 17 Fig 1 12 Computer Software What is a programmer gt Someone who develops software I Programmer writes the instructions to direct the computer to process data into information same I39 a CAMCORDERS Mus ml Sm mm p 18 Fig 1 13 lt we wt mm Winks backmun r lt wages oarsmusteru raund rm magesm usmugemum pm my mum no font size Jog plinks nphnkitm 1 wk up mks te erkahr39 mnaan lt1m E stnpt Ianuvaa javacnnt39gt Funrnan ronrmme dacmemhmmelj hctv 1m sbschuycm acumaw lmth mmwm docmm mama sr39http mgsbeschuym BCaastanyjs rm m t languaga lavarwtquotgt 5mg out new mztions mm they lead umcun human 3 ghawmr lt sltrwtgt tablemutn mquot marn aHpndlIng39 Allsaqurg n quotmi mm a hrFquothrr39v39y39wmt hm mnm d mvhnks gt Categories of Computers What ageitwlile categories of computers Mobomputers and Mobile Devices Game Consoles m E Personal Computers What are the two most popular styles of personal computers gt PC and compatibles gt Apple Macintosh use the Windows usually uses the operating system Macintosh operating system Mac OS Click to View Web Link click Chapter 1 Click Web Link from Ie navigation then click Personal Computers below Chapter p 19 20 Figs 115 116 Personal Computers What is a desktop computer gt Designed so all of the components t entirely on or under a desk or table p 19 20 Fig 1 15 Mobile Computers and Mobile Devices What is a notebook computer gt Portable small enough to t on your lap gt Also called a laptop computer gt Usually more expensive than a desktop computer with equal capabilities keyboard DVD drwe p20 Fig 1 17 Mobile Computers and Mobile Devices What is a Tablet PC gt Resembles a lettersized slate gt Allows you to write on the screen using a digital pen gt Especially useful for taking notes p21 Fig 118 Mobile Computers and Mobile Devices What are mobile devices Small enough to carry in a pocket Internetenabled telephone is a smart phone p21 22 Mobile Computers and Mobile Devices What is a handheld computer Used Small by mobile enough t0 t employees such as in one meter readers and hand delivery people p21 Fig 1 19 Mobile Computers and Mobile Devices What is a personal digital assistant FDA gt Provides personal organizer functions 39 Calendar stylus I Appointment book I Address book 39 Calculator 39 Notepad p 21 Fig 1 20 Mobile Computers and Mobile Devices What are smart phones Click to View Web Link click Chapter 1 Click Web Link from Ie navigation then click iPhone below Chapter 1 p 22 Fig 1 21 Game Consoles What are game consoles Mobile computing device designed for singleplayer or multiplayer39video namnc handheld game console 39 I v Sewers What types of servers are there A server controls access to network resources and provides centralized storage Mainframe Very powerful expensive computer that supports thousands of connected users Supercomputer The fastest most powerful most expensive computer Used for applications requiring complex mathematical calculations p23 Figs 1 23 1 25 Embedded Computers What is an embedded computer gt A specialpurpose computer that functions gasya component in a larger product mums mm mm m chem mm 39 1mm mmms j all may apply nominal mudlnalann 7 umenywvm syswms 321M pmssura m I a Wm u nu ma gas nedal and communicalo 33 13quot j new and law fiSI h l mh angst sum warnlnn slnuals il me pressure ls lusumdwl p 24 Fig 126 Elements of an Information System What are information system elemen 39 7 gt gt gt gt gt p 25 Fig 127 Step 2 Hardware 539 Software mm Data People Procedures me comnnlev The mmDulcr harm39ms W39Dn s ca cnmlvuns r ummu to process Ina amnunls resemble and slaves me vesults on smage medba such as a ham disk Iwuwavm Step 4 Cusmmm slalemums he Ininrmanon mm aquot a swarm DHMBV harmvarE Examples of Computer Usage What software is available for a home user gt Personal finance quot H management Web access Communications gt gt gt Entertainment Click to View Web Link click Chapter 1 Click Web Link from Ie navigation then click Women in Technology below er Ch pt 1 Click to View Web Link click Chapter 1 Click Web Link from Ie navigation then click Minorities in Technology below Chapter 1 p 26 Fig 128 Examples of Computer Usage What software is available for a small of cehome of ce SOHO user gt Productivity software gt Specialty software gt Web usage gt Email r p 28 Fig 130 Examples of Computer Usage What is available for a mobile user gt Hardware Notebook computers Tablet PCs Internetenabled PDAs Smart phones gt Software I Word processing I Spreadsheet Presentation graphics software p 29 Fig 1 31 Examples of Computer Usage What are the needs of a power user gt Speed and large amounts of storage gt Types of power users I Engineers I Scientists I Architects I Desktop publishers I Graphic artists p 29 Fig 1 32 Examples of Computer Usage What are the needs of the 1215 i i gt Payroll gt Inventory gt Ecommerce gt Desktop publishing p 30 Figs 133 Computer Applications in Society What are some examples of computer applications in society 39 Education Finance mum Government E ii t Health Care mmmg39 Science Publishing Travel Manufacturing VVVVVVVV V Click to view Web Link click Chapter 1 Click Web Link from Ie navigation then click andheld Navigation Devices below Chapter 1 p 3236 Figs 136 143
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