济南大学计算机专业英语第一章答案.docx
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济南大学计算机专业英语第一章答案.docx
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济南大学计算机专业英语第一章答案
HomeworkofChapterOne
1.Chapter1MultipleChoice
Selectthebestanswerforeachquestionbelow.Whenyouarefinished,checkyouranswersbyclickingthe'CheckAnswers'buttonatthebottomofthepage.
1.People,procedures,software,hardware,anddataarethefivepartsofa(n)
competencysystem
computersystem
informationsystem✔
softwaresystem
2.Proceduresaretypicallydocumentedinmanualswrittenby
computerspecialists✔
endusers
Microsoft
serviceproviders
3.Whichofthefollowingisanexampleofconnectivity
data
harddisk
Internet✔
powercord
4.Windows7isanexampleofa(n)
applicationsoftware
browser
operatingsystem✔
shareware
5.Themostpowerfultypeofcomputer.
mainframecomputers
microcomputers
minicomputers
supercomputers✔
6.Thesystemcomponentthatcontrolsandmanipulatesdatainordertoproduceinformationiscalledthe
keyboard
microprocessor✔
monitor
mouse
7.Thesedevicestranslatedataandprogramsthathumanscanunderstandintoaformthatthecomputercanprocess.
display
input✔
output
pointer
8.ADVDisanexampleofa(n)
harddisk
opticaldisc✔
outputdevice
solid-statestoragedevice
9.Thistypeoffileiscreatedbywordprocessors.
worksheet
document✔
database
presentation
10.Manyexpertsarepredictingthatthisrevolutionisexpectedtodramaticallyaffectthewaywecommunicateandusecomputertechnology.
graphics
input
memory
wireless✔
2.Chapter1Matching
Matchthedefinitionswiththetermsintheboxtotherightbyenteringtheletterforeachtermnexttoitscorrectdefinitionbelow.
1. eGuidelinespeoplefollowwhenusingsoftware.
2. fConsistsofthestep-by-stepinstructionsthattellthecomputerhowtodoitswork.
3. iSoftwarethatenablestheapplicationsoftwaretointeractwiththecomputerhardware.
4. hThemostpowerfultypeofcomputer.
5. aTheleastpowerfulandmostwidelyusedtypeofcomputer.
6. cTranslatestheprocessedinformationfromthecomputerintoaformthathumanscanunderstand.
7. gHoldsdataandprogramsevenafterelectricalpowertothesystemhasbeenturnedoff.
a.microcomputer
b.opticaldiscs
c.outputdevice
d.PDA
e.procedures
f.program
g.secondarystorage
h.supercomputer
i.systemsoftware
j.theInternet
8. bUseslasertechnology.
9. dAtypeofhandheldcomputer.
10. jThelargestnetworkintheworld.
3.Chapter1Open-EndedQuestions
⑴.Explainthefivepartsofaninformationsystem.Whatpartdopeopleplayinthissystem
Aninformationsystemtypicallyconsistsof:
people,procedures,software,hardware,data,andconnectivity.Informationsystemsareusedbypeopleinordertoincreaseproductivity.Proceduresarerulesorguidelinesforpeopletofollowwhenusingsoftware,hardware,anddata.Softwareisaprogramthatcontainsthestep-by-stepinstructionsthattellthecomputerhowtodoitswork.Hardwareconsistsofthephysicalequipmentthatprocessesthedatatocreateinformation.Dataconsistsofrawunprocessedfacts,includingtext,numbers,images,andsounds.Almostalloftoday'scomputersystemsaddanadditionalparttotheinformationsystem.Thispart,calledconnectivity,typicallyusestheInternetandallowsuserstogreatlyexpandthecapabilityandusefulnessoftheirinformationsystems.
⑵.WhatissystemsoftwareWhatkindsofprogramsareincludedinsystemsoftware
Systemsoftwareis“background”softwarethatenablestheapplicationsoftwaretointeractwiththecomputer.Systemsoftwareconsistsoftheoperatingsystem,utilities,devicedrivers,andlanguagetranslators.Itworkswithapplicationsoftwaretohandlethemajorityoftechnicaldetails.
⑶.Defineandcomparebasicandspecializedapplicationsoftware.
-Describesomedifferenttypesofbasicapplications.
-Describesometypesofspecializedapplications.
Basicorgeneral-purposeapplicationsarewidelyusedinalargenumberofcareers.Oneofthesegeneral-purposeapplicationsisabrowsertonavigate,explore,andfindinformationontheInternet.Otherbasicapplicationsarewordprocessors,spreadsheets,databasemanagementsystems,andpresentationgraphics.
Specializedapplicationsareprogramsthatarenarrowlyfocusedonspecificdisciplinesandoccupations.Someofthebestknownaremultimedia,Webauthoring,graphics,virtualreality,andartificialintelligence.
⑷.Describethedifferenttypesofcomputers.
-Whatisthemostcommontype
-Whatarethetypesofmicrocomputers
Therearefourtypesofcomputers:
supercomputers,mainframecomputers,midrangeandmicrocomputers.
Microcomputersaretheleastpowerful,yetthemostwidelyusedtypeofcomputer.Therearefourtypesofmicrocomputers:
desktopcomputers,notebooks,tablets,andhandheldcomputers.
⑸.WhatisconnectivityWhatarewirelessdevicesandthewirelessrevolutionWhatisacomputernetworkWhataretheInternetandtheWebWhatiscloudcomputing
Connectivityisthecapabilityofthemicrocomputertouseinformationfromtheworldbeyondone’sdesk.Dataandinformationcanbesentovertelephoneorcablelinesandthroughtheairsothatcomputerscantalktoeachotherandshareinformation.
Wirelessdevicesarewirelessmouse,wirelessnetworkcardandwirelessmodemetc.Wirelessrevolutionisarevolutionthatisexpectedtodramaticallyaffectthewaywecommunicateandusecomputertechnology.
Computernetworkisacommunicationsystemconnectingtwoormorecomputersandtheirperipheraldevicestoexchangeinformationandshareresources.
Internetisahugecomputernetworkavailabletoeveryonewithamicrocomputerandameanstoconnecttoit.Itistheactualphysicalnetworkmadeupofwires,cables,andsatellitesasopposedtotheWeb,whichisthemultimediainterfacetoresourcesavailableontheInternet.
CloudcomputingisthatdataarestoredataserverontheInternetandavailableanywheretheInternetcanbeaccessed.
4.Chapter1True/FalseQuestions
1. Thepartsofaninformationsystemare:
people,procedures,software,hardware,data,andconnectivity.
True False
2. Thepurposeofsoftwareistoconvertdataintoinformation.
True False
3. Softwareisanothernameforaprogramorprograms.
True False
4. Tobeacompetentcomputeruser,youmustunderstandtheessentialsofinformationtechnology(IT).
True False
5. Applicationsoftwareis"background"softwarewhichhelpsthecomputermanageitsowninternalresources.
True False
6. Systemsoftwareisacollectionofprograms.
True False
7. AntivirussoftwareisaWindowsutilitythatisunnecessaryaslongasyouarecarefulbrowsingtheInternet.
True False
8. Systemsoftwaremightbedescribedasendusersoftware.
True False
9. Abrowserisanexampleofsystemsoftware.
True False
10. Anothernameforamidrangecomputerisserver.
True False
5.Chapter1FillintheBlankQuestions
1. Computer_competency_referstoacquiringcomputer-relatedskills.
2.
2. Inaninformationsystem,therulesorguidelinesforpeopletofollowarecalled_procedures_.
3. _Hardware_isthecomponentoftheinformationsystemthatisdescribedastheequipmentthatprocessesdatatocreateinformation.
4. Thecomponentoftheinformationsystemthatisdescribedasraw,unprocessedfacts,includingtext,numbers,images,andsounds,iscalled_data_.
5. _Systemsoftware_isacollectionofprogramsthathelpsthecomputermanageitsownresourcesandenablesapplicationsoftwaretointeractwithcomputerhardware.
6. _Devicedrivers_areclassifiedundersystemsoftwareandarespecializedprogramsdesignedtoallowinputoroutputdevicestocommunicatewiththerestofthecomputersystem.
7. Applicationsoftwarecanbecategorizedaseithergeneral-purposeapplications,specializedapplicationsor_mobile_applications.
8. Thegeneral-purposeapplicationusedtonavigate,explore,andfindinformationontheInternetiscalleda_browser_.
9. _Mainframe_computersarenotnearlyaspowerfulassupercomputers,butarecapableofgreatprocessingspeedsanddatastorage.
10. Thefourtypesofmicrocomputersare:
_desktop_computers,notebooks,tablets,andhandheldcomputers.
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