Unit 01 Digital Content 2 PDF

Title Unit 01 Digital Content 2
Author Maddie Hamilton
Course Computer Concepts
Institution University of Windsor
Pages 14
File Size 137.8 KB
File Type PDF
Total Downloads 114
Total Views 156

Summary

Banks...


Description

Name:

Class:

Date:

Unit 01 Digital Content 1. _ ________referstothesymbolsthatrepresentpeople,events,things,andideas. ANSWER: Data 2. Datareferstothesymbolsthatrepresentpeople,events,things,andideas. a. True b. False ANSWER: True 3. Databecomes_______whenitispresentedinaformatthatpeoplecanunderstandanduse. ANSWER: information 4. Data__________referstotheforminwhichdataisstored,processed,andtransmitted. ANSWER: representation 5. Digitaldatacanbe__________thathavebeenconvertedintodiscretedigitssuchas0sand1s. a. t ext b. n umbers c. g raphics,sound,andvideo d. alloftheabove ANSWER: d 6. The process of converting information, such as text, numbers, photos, or music, into digital data that can be manipulatedbyelectronicdevicesiscalled___________. a. b inary b. d igitization c. representation d. n oneoftheabove ANSWER: b 7. The0sand1susedtorepresentdigitaldataarereferredtoas_________digits. ANSWER: binary 8. Afilenameextensionindicatesthefileformat. a. True b. False ANSWER: True

Cengage Learning Testing, Powered by Cognero

Page 1

Name:

Class:

Date:

Unit 01 Digital Content 9. ________dataconsistsofnumbersthatcanbeusedinarithmeticoperations. a. T  ext b. D  igital c. N  umeric d. Binary ANSWER: c 10. Thebinarynumbersystemhasonlytwodigits:1and2. a. True b. False ANSWER: False 11. The_______numbersystemallowsdigitaldevicestorepresentvirtuallyanynumbersimplybyusing0sand1s. a. d igital b. text c. n umeric d. b inary ANSWER: d 12. Characterdataiscomposedofletters,symbols,andnumeralsthatareusedincalculations. a. True b. False ANSWER: False 13. ASCIIrequires__________bitsforeachcharacter. a. t wo b. s ix c. s even d. t en ANSWER: c 14. Unicodeuses________bitsandprovidescodesfor65,000characters. a. s even b. e ight c. t en d. s ixteen ANSWER: d

Cengage Learning Testing, Powered by Cognero

Page 2

Name:

Class:

Date:

Unit 01 Digital Content 15. Plain,unformattedtextissometimescalledASCIItext. a. True b. False ANSWER: True 16. ASCIItextfilescontainformatting. a. True b. False ANSWER: False 17. Inaformattedtextfile,________signalsthebeginningandendofaformattingcommand. ANSWER: delimiter,delimiters 18. Allofthedatastoredandtransmittedbydigitaldevicesisencodedasbits. a. True b. False ANSWER: True 19. Agroupofeightbitsiscalleda_______. a. b yte b. m  egabit c. b inary d. n umericdata ANSWER: a 20. Transmissionspeedsareexpressedin_______,whereasstoragespaceisexpressedin_______. a. b its,bytes b. b ytes,bits c. b inary,numeric d. n oneoftheabove ANSWER: a 21. Data____________referstoanytechniquethatrecodesthedatainafilesothatitcontainsfewerbits. ANSWER: compression 22. Lossycompressionprovidesawaytocompressdataandreconstituteitintoitsoriginalstate. a. True b. False ANSWER: False

Cengage Learning Testing, Powered by Cognero

Page 3

Name:

Class:

Date:

Unit 01 Digital Content 23. Lossycompressionthrowsawaysomeoftheoriginaldataduringthecompressionprocess. a. True b. False ANSWER: True 24. Compressedfilesusuallyhave______attheendofthefilename. a. .exe b. . zip c. . txt d. n oneoftheabove ANSWER: b 25. __________ismusic,speech,andothersoundsrepresentedinbinaryformatforuseindigitaldevices. a. M  IDI b. speechrecognition c. s peechsynthesis d. D  igitalaudio ANSWER: d 26. To digitally record sound, __________ of a sound wave are collected at periodic intervals and stored as numeric datainanaudiofile. ANSWER: samples,sample,sampling 27. Sampling _______ refers to the number of times per second that a sound is measured during the recording process. a. rate b. c ompression c. d epth d. s ound ANSWER: a 28. Toconservespace,applicationsthatrequirehighqualitysounduselowsamplingrates. a. True b. False ANSWER: False 29. Regardlessofsamplingrate,digitalaudiofilesizecanbereducedusingaudiocompressiontechniques. a. True b. False ANSWER: True Cengage Learning Testing, Powered by Cognero

Page 4

Name:

Class:

Date:

Unit 01 Digital Content 30. Mostmusicforportablemediaplayersisstoredin_______audiofileformats. a. u ncompressed b. c ompressed c. l ossless d. z ipped ANSWER: b 31. Digitalaudioisstoredinavarietyoffileformats,including___________. a. W  MA b. WAV c. M  P3 d. a lloftheabove ANSWER: d 32. WhichofthefollowingisNOTaformatthatisusedfordigitalaudio? a. M  P3 b. DOC c. WAV d. O  gg ANSWER: b 33. A(n)_______issoftwarethatworksinconjunctionwithyourcomputer’sbrowsertomanageandplayaudiothat youareaccessingfromaWebpage. ANSWER: audioplugin 34. Thetechnicaltermforrippingmusictracksisdigitalaudioextraction. a. True b. False ANSWER: True 35. ______specifiesastandardwaytostoremusicdataforsynthesizersandcomputers. ANSWER: MIDI 36. MIDIfilesarelesscompactthandigitalaudiofiles. a. True b. False ANSWER: False

Cengage Learning Testing, Powered by Cognero

Page 5

Name:

Class:

Date:

Unit 01 Digital Content 37. OneofthemaindisadvantagesofMIDIisthatitcannotproducevocals. a. True b. False ANSWER: True 38. _________ enables people to control software with spoken commands, as well as dictate text into a word processingdocument. a. M  IDI b. S  peechsynthesis c. S  peechrecognition d. P  honemes ANSWER: c 39. __________istheprocessbywhichmachinesproducesoundthatresemblesspokenwords. ANSWER: Speechsynthesis 40. Text-to-speech software analyzes the words in a section of text, finds corresponding phonemes, and combines them intosentencesforoutput. a. True b. False ANSWER: True 41. Speechrecognitionsoftwareanalyzesthesoundsofyourvoiceandconvertseachwordintogroupsof________. ANSWER: phonemes,phoneme 42. Abitmapgraphiciscomposedofagridoftinyrectangularcells. a. True b. False ANSWER: True 43. Digitalphotographsarestoredasbitmapfiles. a. True b. False ANSWER: True 44. Inadigitalcamera,aCCD’s________correspondtopixels. ANSWER: photosites,photosite

Cengage Learning Testing, Powered by Cognero

Page 6

Name:

Class:

Date:

Unit 01 Digital Content 45. WhichofthefollowingisNOTatypeofbitmapformat? a. T  IFF b. RAW c. PNG d. ZIP ANSWER: d 46. Bitmapimagesareformedbyagridof_____. ANSWER: pixels 47. Today’scolordisplaydevicesrepresentcolorusingthe______colormodel. a. R  GB b. PNG c. BMP d. n oneoftheabove ANSWER: a 48. Thenumberofcolorsavailableinagraphicisreferredtoascolor_________. a. d epth b. r ange c. R  GB d. PNG ANSWER: a 49. 8bitcolordepthisalsocalledTrueColor. a. True b. False ANSWER: False 50. Thedimensionsofthegridthatformsabitmapgraphicarereferredtoasimage__________. ANSWER: resolution 51. Bitmapgraphicsareresolutiondependentbecauseeachelementisadiscretepixel. a. True b. False ANSWER: True 52. Anundesirablejaggedappearanceofagraphicsimageisreferredtoas_______. ANSWER: pixelation

Cengage Learning Testing, Powered by Cognero

Page 7

Name:

Class:

Date:

Unit 01 Digital Content 53. Most graphics software uses a process called pixel _________ to create new pixels by averaging the colors of nearbypixels. a. p olarization b. i nterpolation c. c ompression d. r esolution ANSWER: b 54. Image__________referstoanytechniquethatrecodesthedatainanimagefilesothatitcontainsfewerbits. ANSWER: compression 55. TIFF,PNG,andGIFgraphicsformatsofferlossycompression. a. True b. False ANSWER: False 56. JPEGfilesarecompressedusinglossycompression. a. True b. False ANSWER: True 57. Lossycompressiontechniquesdiscardsomedatafromanimagetoshrinkitsfilesize. a. True b. False ANSWER: True 58. Bitmapgraphicsarecodedasaseriesofbits.Eachbitrepresentsthecolorofone________. ANSWER: pixel 59. Image editors provide an image __________ that can be used to adjust the brightness values for various ranges of dark,midrange,orlightpixels ANSWER: histogram 60. In the context of bitmap graphics editing, what technique employs algorithms that pull pixels from one area of an imageandthenapplythemtoanotherarea? a. i npainting b. c loning c. n oisereduction d. i mageenhancement ANSWER: b Cengage Learning Testing, Powered by Cognero

Page 8

Name:

Class:

Date:

Unit 01 Digital Content 61. Aclipping______essentiallycutsanobjectoutofanimageandknocksoutthebackgroundtomakeittransparen ANSWER: path 62. What is the term used to describes altering the pixel colors where the edges of the object and the background meet, sothattheobjectappearstomergewiththebackground? a. A  lphablending b. C  lippingpath c. C  loning d. I npainting ANSWER: a 63. Avectorgraphicconsistsofasetofinstructionsforcreatingapicture. a. True b. False ANSWER: True 64. Instead of storing the color value for each pixel, a vector graphics file contains instructions that a computer uses to createtheshape,size,position,andcolorforeachobjectinanimage. a. True b. False ANSWER: True 65. When you change the size of a(n) _______ graphic, the objects change proportionally and maintain their smooth edges. ANSWER: vector 66. Vectorgraphicsusuallyrequiremorestoragespacethanbitmaps. a. True b. False ANSWER: False 67. Whichofthefollowingoptionsarewellsuitedforusingvectorgraphics? a. l ineart b. l ogos c. d iagrams d. a lloftheabove ANSWER: d

Cengage Learning Testing, Powered by Cognero

Page 9

Name:

Class:

Date:

Unit 01 Digital Content 68. Allbitmapgraphicsarephotos. a. True b. False ANSWER: False 69. WhichofthefollowingfileextensionsisNOTavectorgraphic? a. . svg b. .eps c. . tif d. . ai ANSWER: c 70. Bothscannersanddigitalcamerasproducevectorgraphics. a. True b. False ANSWER: False 71. Whatisanothertermforvectorgraphicssoftware? a. D  rawingsoftware b. P  hotoeditingsoftware c. D  igitalcompositing d. A  lloftheabove ANSWER: a 72. Avectorgraphiccanbeconvertedintoabitmapgraphicthroughaprocesscalled_________. ANSWER: rasterizing,rasterization 73. Afteravectorgraphicisconvertedtoabitmap,theresultinggraphicnolongerhasthequalitiesofavectorgraphic a. True b. False ANSWER: True 74. 3-D graphics are based on vectors stored as a set of instructions describing the coordinates for lines and shapes in athreedimensionalspace.Whatdothesevectorsform? a. abitmapgraphic b. a zippedfile c. awireframe d. a lloftheabove ANSWER: c

Cengage Learning Testing, Powered by Cognero

Page 10

Name:

Class:

Date:

Unit 01 Digital Content 75. Theprocessofcoveringawireframewithsurfacecolorandtextureiscalled_________. ANSWER: rendering,render 76. Whichofthefollowingisthetechniqueforaddinglightandshadowstoa3Dimage? a. r endering b. raytracing c. w  ireframe d. r asterize ANSWER: b 77. 3Dgraphicscanbeanimated. a. True b. False ANSWER: True 78. Whichofthefollowingtoolswouldbefoundin3฀Dgraphicssoftware? a. r enderingtools b. r aytracingtools c. s urfacetexturetools d. a lloftheabove ANSWER: d 79. Digitalvideousesbitstostorecolorandbrightnessdataforeachvideoframe. a. True b. False ANSWER: True 80. Analogfootagecanbedigitizedusingvideo_____equipment. ANSWER: capture 81. Digital________capturesmovingimagesasbits,ratherthanonfilm. ANSWER: cinematography 82. Digitalvideoisacoretechnologyforwhichofthefollowing? a. d igitaltelevision b. v ideoconferencingsystems c. v ideomessaging d. a lloftheabove ANSWER: d

Cengage Learning Testing, Powered by Cognero

Page 11

Name:

Class:

Date:

Unit 01 Digital Content 83. WhichofthefollowingisNOTafactorinthequalityofdigitalvideo? a. f ramerateandresolution b. c olorandbitdepth c. c ompressiontechnique d. m  emorytechnologyinyourcamera ANSWER: d 84. Indigitalvideo,eachbitmapimageisreferredtoasa(n)__________. ANSWER: frame 85. Thenumberofframesthataredisplayedpersecondismeasuredin_______. a. c ompression b. fps c. c olordepth d. b ps ANSWER: b 86. Digitalvideoslooksharpestwhentheyaredisplayedataresolutionthatislargerthantheframesize. a. True b. False ANSWER: False 87. Videoresolutionscanbeexpressedaswidthxheight. a. True b. False ANSWER: True 88. Today’swidescreendevices,suchaslaptopsandsmartphones,aredesignedforthe16:9__________. a. r esolution b. a spectratio c. framerate d. a lloftheabove ANSWER: b 89. When4:3videosaredisplayedinawidescreenplayer,theyareborderedbytheblackbarsofa(n)_______. ANSWER: letterbox

Cengage Learning Testing, Powered by Cognero

Page 12

Name:

Class:

Date:

Unit 01 Digital Content 90. In digital video, as long as the proportion of horizontal and vertical pixels remains the same, the aspect ratio is consistent. a. True b. False ANSWER: True 91. ________isthenumberofbitsthatareprocessedduringaspecificunitoftime,usuallyduringonesecond. a. B  itrate b. B  itdepth c. C  olordepth d. n oneoftheabove ANSWER: a 92. Bitratecanbescaleddownbyreducingtheresolutionandapplying____________techniques. ANSWER: compression 93. Indigitalvideo,alowerresolutionreducesthebitrate. a. True b. False ANSWER: True 94. _______compressioncanbeappliedtoeachframeofavideo. ANSWER: Intraframe 95. ________compressionstoresonlythepixelsthatchangecolorfromoneframetothenext. ANSWER: Interframe 96. Videocompressioncanbeexpressedasacompression______. ANSWER: ratio 97. A(n) _______ is the software that compresses a video stream when a video is stored, and decompresses the file whenthevideoisplayed. a. c ompression b. codec c. b itmap d. r esolution ANSWER: b 98. Videofilesarestoredin________formatsthatholdthecompressedvideostreamandanaudiostream. ANSWER: container Cengage Learning Testing, Powered by Cognero

Page 13

Name:

Class:

Date:

Unit 01 Digital Content 99. WhichofthefollowingisNOTatypeofdigitalvideocontainerfile? a. M  P4 b. AVI c. VOB d. PNG ANSWER: d 100. Transcodingdigitalvideosdoesnotcausealossofquality. a. True b. False ANSWER: False

Cengage Learning Testing, Powered by Cognero

Page 14...


Similar Free PDFs