Title | Practice Questions |
---|---|
Course | Computer Concepts for End Users |
Institution | University of Windsor |
Pages | 14 |
File Size | 179.2 KB |
File Type | |
Total Downloads | 68 |
Total Views | 205 |
Download Practice Questions PDF
Name:
Class:
Date:
Unit01DigitalContent 1._________referstothesymbolsthatrepresentpeople,events,things,andideas. ANSWER:Data 2.Datareferstothesymbolsthatrepresentpeople,events,things,andideas. a.True b.False ANSWER:True 3.Databecomes_______whenitispresentedinaformatthatpeoplecanunderstandanduse. ANSWER:information 4.Data__________referstotheforminwhichdataisstored,processed,andtransmitted. ANSWER:representation 5.Digitaldatacanbe__________thathavebeenconvertedintodiscretedigitssuchas0sand1s. a.text b.numbers c.graphics,sound,andvideo d.alloftheabove ANSWER:d 6.Theprocessofconvertinginformation,suchastext,numbers,photos,ormusic,intodigitaldatathatcanbe manipulatedbyelectronicdevicesiscalled___________. a.binary b.digitization c.representation d.noneoftheabove ANSWER:b 7.The0sand1susedtorepresentdigitaldataarereferredtoas_________digits. ANSWER:binary 8.Afilenameextensionindicatesthefileformat. a.True b.False ANSWER:True
Copyright Cengage Learning. Powered by Cognero.
Page 1
Name:
Class:
Date:
Unit01DigitalContent 9.________dataconsistsofnumbersthatcanbeusedinarithmeticoperations. a.Text b.Digital c.Numeric d.Binary ANSWER:c 10.Thebinarynumbersystemhasonlytwodigits:1and2. a.True b.False ANSWER:False 11.The_______numbersystemallowsdigitaldevicestorepresentvirtuallyanynumbersimplybyusing0sand1s. a.digital b.text c.numeric d.binary ANSWER:d 12.Characterdataiscomposedofletters,symbols,andnumeralsthatareusedincalculations. a.True b.False ANSWER:False 13.ASCIIrequires__________bitsforeachcharacter. a.two b.six c.seven d.ten ANSWER:c 14.Unicodeuses________bitsandprovidescodesfor65,000characters. a.seven b.eight c.ten d.sixteen ANSWER:d
Copyright Cengage Learning. Powered by Cognero.
Page 2
Name:
Class:
Date:
Unit01DigitalContent 15.Plain,unformattedtextissometimescalledASCIItext. a.True b.False ANSWER:True 16.ASCIItextfilescontainformatting. a.True b.False ANSWER:False 17.Inaformattedtextfile,________signalsthebeginningandendofaformattingcommand. ANSWER:delimiter,delimiters 18.Allofthedatastoredandtransmittedbydigitaldevicesisencodedasbits. a.True b.False ANSWER:True 19.Agroupofeightbitsiscalleda_______. a.byte b.megabit c.binary d.numericdata ANSWER:a 20.Transmissionspeedsareexpressedin_______,whereasstoragespaceisexpressedin_______. a.bits,bytes b.bytes,bits c.binary,numeric d.noneoftheabove ANSWER:a 21.Data____________referstoanytechniquethatrecodesthedatainafilesothatitcontainsfewerbits. ANSWER:compression 22.Lossycompressionprovidesawaytocompressdataandreconstituteitintoitsoriginalstate. a.True b.False ANSWER:False
Copyright Cengage Learning. Powered by Cognero.
Page 3
Name:
Class:
Date:
Unit01DigitalContent 23.Lossycompressionthrowsawaysomeoftheoriginaldataduringthecompressionprocess. a.True b.False ANSWER:True 24.Compressedfilesusuallyhave______attheendofthefilename. a..exe b..zip c..txt d.noneoftheabove ANSWER:b 25.__________ismusic,speech,andothersoundsrepresentedinbinaryformatforuseindigitaldevices. a.MIDI b.speechrecognition c.speechsynthesis d.Digitalaudio ANSWER:d 26.Todigitallyrecordsound,__________ofasoundwavearecollectedatperiodicintervalsandstoredasnumeric datainanaudiofile. ANSWER:samples,sample,sampling 27.Sampling_______referstothenumberoftimespersecondthatasoundismeasuredduringtherecordingprocess a.rate b.compression c.depth d.sound ANSWER:a 28.Toconservespace,applicationsthatrequirehigh-qualitysounduselowsamplingrates. a.True b.False ANSWER:False 29.Regardlessofsamplingrate,digitalaudiofilesizecanbereducedusingaudiocompressiontechniques. a.True b.False ANSWER:True
Copyright Cengage Learning. Powered by Cognero.
Page 4
Name:
Class:
Date:
Unit01DigitalContent 30.Mostmusicforportablemediaplayersisstoredin_______audiofileformats. a.uncompressed b.compressed c.lossless d.zipped ANSWER:b 31.Digitalaudioisstoredinavarietyoffileformats,including___________. a.WMA b.WAV c.MP3 d.alloftheabove ANSWER:d 32.WhichofthefollowingisNOTaformatthatisusedfordigitalaudio? a.MP3 b.DOC c.WAV d.Ogg ANSWER:b 33.A(n)_______issoftwarethatworksinconjunctionwithyourcomputer’sbrowsertomanageandplayaudiothat youareaccessingfromaWebpage. ANSWER:audioplugin 34.Thetechnicaltermforrippingmusictracksisdigitalaudioextraction. a.True b.False ANSWER:True 35.______specifiesastandardwaytostoremusicdataforsynthesizersandcomputers. ANSWER:MIDI 36.MIDIfilesarelesscompactthandigitalaudiofiles. a.True b.False ANSWER:False
Copyright Cengage Learning. Powered by Cognero.
Page 5
Name:
Class:
Date:
Unit01DigitalContent 37.OneofthemaindisadvantagesofMIDIisthatitcannotproducevocals. a.True b.False ANSWER:True 38._________enablespeopletocontrolsoftwarewithspokencommands,aswellasdictatetextintoaword processingdocument. a.MIDI b.Speechsynthesis c.Speechrecognition d.Phonemes ANSWER:c 39.__________istheprocessbywhichmachinesproducesoundthatresemblesspokenwords. ANSWER:Speechsynthesis 40.Text-to-speechsoftwareanalyzesthewordsinasectionoftext,findscorrespondingphonemes,andcombinesthem intosentencesforoutput. a.True b.False ANSWER:True Speechrecognitionsoftwareanalyzesthesoundsofyourvoiceandconvertseachwordintogroupsof________. ANSWER:phonemes,phoneme 42.Abitmapgraphiciscomposedofagridoftinyrectangularcells. a.True b.False ANSWER:True 43.Digitalphotographsarestoredasbitmapfiles. a.True b.False ANSWER:True 44.Inadigitalcamera,aCCD’s________correspondtopixels. ANSWER:photosites,photosite
Copyright Cengage Learning. Powered by Cognero.
Page 6
Name:
Class:
Date:
Unit01DigitalContent 45.WhichofthefollowingisNOTatypeofbitmapformat? a.TIFF b.RAW c.PNG d.ZIP ANSWER:d 46.Bitmapimagesareformedbyagridof_____. ANSWER:pixels 47.Today’scolordisplaydevicesrepresentcolorusingthe______colormodel. a.RGB b.PNG c.BMP d.noneoftheabove ANSWER:a 48.Thenumberofcolorsavailableinagraphicisreferredtoascolor_________. a.depth b.range c.RGB d.PNG ANSWER:a 49.8-bitcolordepthisalsocalledTrueColor. a.True b.False ANSWER:False 50.Thedimensionsofthegridthatformsabitmapgraphicarereferredtoasimage__________. ANSWER:resolution 51.Bitmapgraphicsareresolutiondependentbecauseeachelementisadiscretepixel. a.True b.False ANSWER:True 52.Anundesirablejaggedappearanceofagraphicsimageisreferredtoas_______. ANSWER:pixelation
Copyright Cengage Learning. Powered by Cognero.
Page 7
Name:
Class:
Date:
Unit01DigitalContent 53.Mostgraphicssoftwareusesaprocesscalledpixel_________tocreatenewpixelsbyaveragingthecolorsof nearbypixels. a.polarization b.interpolation c.compression d.resolution ANSWER:b 54.Image__________referstoanytechniquethatrecodesthedatainanimagefilesothatitcontainsfewerbits. ANSWER:compression 55.TIFF,PNG,andGIFgraphicsformatsofferlossycompression. a.True b.False ANSWER:False 56.JPEGfilesarecompressedusinglossycompression. a.True b.False ANSWER:True 57.Lossycompressiontechniquesdiscardsomedatafromanimagetoshrinkitsfilesize. a.True b.False ANSWER:True 58.Bitmapgraphicsarecodedasaseriesofbits.Eachbitrepresentsthecolorofone________. ANSWER:pixel 59.Imageeditorsprovideanimage__________thatcanbeusedtoadjustthebrightnessvaluesforvariousrangesof dark,mid-range,orlightpixels ANSWER:histogram 60.Inthecontextofbitmapgraphicsediting,whattechniqueemploysalgorithmsthatpullpixelsfromoneareaofan imageandthenapplythemtoanotherarea? a.inpainting b.cloning c.noisereduction d.imageenhancement ANSWER:b
Copyright Cengage Learning. Powered by Cognero.
Page 8
Name:
Class:
Date:
Unit01DigitalContent 61.Aclipping______essentiallycutsanobjectoutofanimageandknocksoutthebackgroundtomakeittransparent. ANSWER:path 62.Whatisthetermusedtodescribesalteringthepixelcolorswheretheedgesoftheobjectandthebackgroundmeet, sothattheobjectappearstomergewiththebackground? a.Alphablending b.Clippingpath c.Cloning d.Inpainting ANSWER:a 63.Avectorgraphicconsistsofasetofinstructionsforcreatingapicture. a.True b.False ANSWER:True 64.Insteadofstoringthecolorvalueforeachpixel,avectorgraphicsfilecontainsinstructionsthatacomputerusesto createtheshape,size,position,andcolorforeachobjectinanimage. a.True b.False ANSWER:True 65.Whenyouchangethesizeofa(n)_______graphic,theobjectschangeproportionallyandmaintaintheirsmooth edges. ANSWER:vector 66.Vectorgraphicsusuallyrequiremorestoragespacethanbitmaps. a.True b.False ANSWER:False 67.Whichofthefollowingoptionsarewellsuitedforusingvectorgraphics? a.lineart b.logos c.diagrams d.alloftheabove ANSWER:d
Copyright Cengage Learning. Powered by Cognero.
Page 9
Name:
Class:
Date:
Unit01DigitalContent 68.Allbitmapgraphicsarephotos. a.True b.False ANSWER:False 69.WhichofthefollowingfileextensionsisNOTavectorgraphic? a..svg b..eps c..tif d..ai ANSWER:c 70.Bothscannersanddigitalcamerasproducevectorgraphics. a.True b.False ANSWER:False 71.Whatisanothertermforvectorgraphicssoftware? a.Drawingsoftware b.Photoeditingsoftware c.Digitalcompositing d.Alloftheabove ANSWER:a Avectorgraphiccanbeconvertedintoabitmapgraphicthroughaprocesscalled_________. ANSWER:rasterizing,rasterization 73.Afteravectorgraphicisconvertedtoabitmap,theresultinggraphicnolongerhasthequalitiesofavectorgraphic. a.True b.False ANSWER:True 74.3-Dgraphicsarebasedonvectorsstoredasasetofinstructionsdescribingthecoordinatesforlinesandshapesina three-dimensionalspace.Whatdothesevectorsform? a.abitmapgraphic b.azippedfile c.awireframe d.alloftheabove ANSWER:c
Copyright Cengage Learning. Powered by Cognero.
Page 10
Name:
Class:
Date:
Unit01DigitalContent 75.Theprocessofcoveringawireframewithsurfacecolorandtextureiscalled_________. ANSWER:rendering,render 76.Whichofthefollowingisthetechniqueforaddinglightandshadowstoa3-Dimage? a.rendering b.raytracing c.wireframe d.rasterize ANSWER:b 77.3-Dgraphicscanbeanimated. a.True b.False ANSWER:True 78.Whichofthefollowingtoolswouldbefoundin3‑Dgraphicssoftware? a.renderingtools b.raytracingtools c.surfacetexturetools d.alloftheabove ANSWER:d 79.Digitalvideousesbitstostorecolorandbrightnessdataforeachvideoframe. a.True b.False ANSWER:True 80.Analogfootagecanbedigitizedusingvideo_____equipment. ANSWER:capture 81.Digital________capturesmovingimagesasbits,ratherthanonfilm. ANSWER:cinematography 82.Digitalvideoisacoretechnologyforwhichofthefollowing? a.digitaltelevision b.videoconferencingsystems c.videomessaging d.alloftheabove ANSWER:d
Copyright Cengage Learning. Powered by Cognero.
Page 11
Name:
Class:
Date:
Unit01DigitalContent 83.WhichofthefollowingisNOTafactorinthequalityofdigitalvideo? a.framerateandresolution b.colorandbitdepth c.compressiontechnique d.memorytechnologyinyourcamera ANSWER:d 84.Indigitalvideo,eachbitmapimageisreferredtoasa(n)__________. ANSWER:frame 85.Thenumberofframesthataredisplayedpersecondismeasuredin_______. a.compression b.fps c.colordepth d.bps ANSWER:b 86.Digitalvideoslooksharpestwhentheyaredisplayedataresolutionthatislargerthantheframesize. a.True b.False ANSWER:False 87.Videoresolutionscanbeexpressedaswidthxheight. a.True b.False ANSWER:True 88.Today’swidescreendevices,suchaslaptopsandsmartphones,aredesignedforthe16:9__________. a.resolution b.aspectratio c.framerate d.alloftheabove ANSWER:b 89.When4:3videosaredisplayedinawidescreenplayer,theyareborderedbytheblackbarsofa(n)_______. ANSWER:letterbox
Copyright Cengage Learning. Powered by Cognero.
Page 12
Name:
Class:
Date:
Unit01DigitalContent 90.Indigitalvideo,aslongastheproportionofhorizontalandverticalpixelsremainsthesame,theaspectratiois consistent. a.True b.False ANSWER:True 91.________isthenumberofbitsthatareprocessedduringaspecificunitoftime,usuallyduringonesecond. a.Bitrate b.Bitdepth c.Colordepth d.noneoftheabove ANSWER:a 92.Bitratecanbescaleddownbyreducingtheresolutionandapplying____________techniques. ANSWER:compression 93.Indigitalvideo,alowerresolutionreducesthebitrate. a.True b.False ANSWER:True 94._______compressioncanbeappliedtoeachframeofavideo. ANSWER:Intraframe 95.________compressionstoresonlythepixelsthatchangecolorfromoneframetothenext. ANSWER:Interframe 96.Videocompressioncanbeexpressedasacompression______. ANSWER:ratio A(n)_______isthesoftwarethatcompressesavideostreamwhenavideoisstored,anddecompressesthefile whenthevideoisplayed. a.compression b.codec c.bitmap d.resolution ANSWER:b 98.Videofilesarestoredin________formatsthatholdthecompressedvideostreamandanaudiostream. ANSWER:container
Copyright Cengage Learning. Powered by Cognero.
Page 13
Name:
Class:
Date:
Unit01DigitalContent 99.WhichofthefollowingisNOTatypeofdigitalvideocontainerfile? a.MP4 b.AVI c.VOB d.PNG ANSWER:d 100.Transcodingdigitalvideosdoesnotcausealossofquality. a.True b.False ANSWER:False
Copyright Cengage Learning. Powered by Cognero.
Page 14...