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1 Answers to Review Questions. “Digita l Media Primer” Yue – Li ng Wong “Digital Media Primer” Yue-Ling Wong, Answers to Review Questions NOTE TO INSTRUCTORS: The answers to the questions are included as hidden text in this document. If […]

29 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 10 When applicable, please choose all correct answers. 1. True/False: If it is strict data typing, a programming language requires that you explicitly declare the data type of a […]

Suggested answer key to an accompanying worksheet for the book: Digital Media Primer, Yue– Ling Wong. Copyright (c)2015 by Pearson Education, Inc. All rights reserved. Worksheet: Syntax Review and Code Writing Exercises for Part 1 of Chapter 10 Objectives: • […]

Suggested answers for an accompanying worksheet for the book: Digital Media Primer, Yue–Ling Wong. Copyright (c)2015 by Pearson Education, Inc. All rights reserved. Worksheet: Syntax Review and Code Writing Exercises for Part 2 of Chapter 10 Objectives: • Review the […]

32 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 11 1. To add a canvas to an HTML5 document, simply use the ___ tag. 2. The three attributes of the <canvas> tag are ___, ___, and ___. 3. […]

37 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 12 1. Use the following statements to complete the code in Figure 12.32 to animate an image called water- balloon.png falling down. a. <canvas id=”gameCanvas” width=”1136″ height=”640″> Your browser […]

43 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 13 1. An event is ___. A. something that happens, such as mouse clicks, keystrokes, and touches (for touch enabled devices), while a program is running and B. an […]

47 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 14 When applicable, please select all correct answers. 1. In the analogy of building a house, ______ is like a blueprint and ______ is like the actual house built […]

3 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 2 When applicable, please select all correct answers. 1. The process of converting from analog to digital information is a two–step process sampling and quantizing. In converting an analog […]

Answers to Worksheet: Making Sense Out of Megapixels Objectives: 1. To learn what megapixels mean with regard to digital cameras. 2. To learn to correlate the number of megapixels to the print size. Introduction: Many digital cameras are advertised with […]

6 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 3 When applicable, please select all correct answers. 1. What are the different types of scanners? 2. What is the method of acquiring digital images besides scanning? 3. Resampling […]

 Worksheet: JPEG vs. GIF vs. PNG ApplicationProgramRequired AdobePhotoshop5.5orlater  Objectives: 1. TolearntooptimizefilesinJPEG,GIFandPNGformatandadjustthecompressionsettingstoachievethe balancebetweenthefilesizeandoverallimagequality. 2. Tolearnthetypeofimagesthateachofthesefileformatsismosteffectiveatcompressing.  Introduction: ThethreeimagefileformatssupportedbytheWebbrowsersareJPEG,GIFandPNG.Eachemploysdifferent compressionalgorithmstomakethefilesizesmaller.Becauseofthedifferentalgorithms,theyworkbestwith differenttypesofimages.  TheJPEGformatworksbestwithcontinuous‐toneimageswithaboardcolorrangeandsubtlecolorandbrightness variations,suchasphotographsandimageswithgradients.Itsupports24‐bitcolor(millionsofcolors).JPEG compressionisalossycompressionwhichmeansthatduringcompression,imagedataislosttomakethefilesize smaller.HighJPEGcompressiontendstoblurtheimagedetail.(SeetheJPEGworksheetformoredetailedhands‐on experimentation.)  TheGIFformatsupportsupto8‐bitcolor(256colors),butitalsosupportsbackgroundtransparency.Itismost effectiveforimageswithsolidcolorssuchasillustrations,logos,andlineart.Itusesapaletteofupto256colorsto representtheimage.Iftheoriginalimagehasmorethan256colors,thenyouwillneedtoreducethecolors.There areseveralcolorreductionoptionsavailable,oryoucanalsocustomizethecolorstobeincludedinthepalette.A sequenceofimagescanalsobeputtogetherintoananimatedGIF.  ThePNG‐8formatusesupto256colorstorepresenttheimage;similartoGIF.ThePNG‐24supports24‐bitcolor, includingtransparencyinformation.UnliketheJPEGformat,PNGisanon‐lossycompressionmethod.Dependingon theimageandtheJPEGcompression,PNG‐24mayyieldalargerfilesizethanJPEGcompressedfromthesameimage.  Instructions: Severalsampleimagescanbedownloadedfromthebook’sWebsite.LookunderChapter3’sworksheetonJPEGvs. […]

Answers for Worksheet: Printing DPI vs. Image PPI  2. HowdoestheprinterDPIaffecttheoutputphysicaldimensionofyourprintedimage? noeffect   3. HowdoestheprinterDPIaffecttheprintquality(hownoticeabletheprinterdotsare) ofyourprintedimage? higherDPI:theprinterdotsarelessnoticeable   4. HowdoestheprinterPPIaffecttheoutputphysicaldimensionofyourprintedimage? higherPPI:smallerprintout   5. HowdoestheprinterPPIaffecttheprintquality(hownoticeabletheprinterdotsare) ofyourprintedimage? noeffect   Answerstoanaccompanyingworksheetforthebook:DigitalMediaPrimer,Yue‐LingWong. Copyright(c)2015byPearsonEducation,Inc.Allrightsreserved.

Worksheet: Photoshop Basics – Selection Tools ApplicationProgramRequired AnyofAdobePhotoshopCC2014  Objectives Toreviewselectiontools.  Instructions RefertothesectionSelectinginthePhotoshopHelp.  I.SelectionTools CirclethetoolifitisintheToolpalette.  Toselectall: Select>All,orCtrl‐A(Windows),Cmd‐A(MacOS)  Todeselect: Select>Deselect,orCtrl‐D(Windows),Cmd‐D(MacOS)  Toinversetheselection: Select>Inverse  SelectionwithMarqueeTools.Listthefourdifferentmarqueetools,andcircletheMarqueetoolinthe Toolpalette. rectangular,elliptical,singlerow,singlecolumn     SelectionwithLassoTools.Listthethreedifferentlassotools,andcircletheLassotoolintheTool palettelasso,polygonallasso,magneticlasso     […]

Answerstoanaccompanyingworksheetforthebook:DigitalMediaPrimer,Yue‐LingWong.Copyright(c)2015by PearsonEducation,Inc.Allrightsreserved. Worksheet: JPEG Compression Artifact ApplicationProgramRequired AdobePhotoshop5.5orlater  Objectives 1. TotakeacloserlookattheJPEGartifact. 2. TolearnwhereJPEGartifactismostvisible.  Introduction JPEGisacommonfileformatforWebimages.ManydigitalcamerasalsosavedigitalphotographsdirectlyinJPEG format,which,forsomecameras,maybetheonlychoiceofthefileformat.  HaveyounoticedanyuglyartifactinsomeJPEGimages?IfyouarepostingyourportfolioofartworkasJPEGimages ontheWeb,youshouldunderstandhowtheJPEGcompressionaffectsyourimagequalityandhowtominimizethe artifact.  Theexampleimageyouwilluseinthisexercisehasmanysolidcolorareasandedgeswheresharpcolorchanges occur.ItisnotthetypeofimagesthatJPEGcompressionisbestforbecausetheJPEGcompressionartifactismore pronounce.However,thiswillmakeiteasyforyoutoseetheartifactinthisexercise.  Instructions Asampleimage,calledsolid-color-ex.tif,canbedownloadedfromthecompanionWebsiteofthebook. LookunderJPEGCompressionArtifact.ThisexampleimageisaTIFfilewithnoimagecompression.Theimageismade upoflargeareasofsolidcolorsandgradients.  I.CompressionQualityandFileSize 1. OpentheimagewithAdobePhotoshop,andconvertthisimageintoJPEGfileswithdifferentcompressionlevel. 2. IfyouhaveaccesstoPhotoshop5.5uptoCS2,chooseFile>SaveforWeb… IfyouhavePhotoshopCS3orlater,chooseFile>SaveforWeb&Devices…  3. […]

Lab: Digital Image Alteration RequiredApplicationProgram:AdobePhotoshoporCorelPaintShopPro. Objectives: 1. Selectivelyalteranareaofanimagebymakingaselection. 2. Applyyourknowledgeofthevariousselectiontoolstochoosethebesttoolfordifferent tasks. Pre-lab: IfyouarenotfamiliarwiththefollowingselectiontoolsinPhotoshop,reviewthePhotoshop SelectionToolsvideos. Lab: Task#1: 1. Openthefiles:sky.psdanddevil-tower.psd (Figure1a).  2. Inthedevil-tower.psd,makeaselectionofthewholeclearblueskyarea. Applywhatyouhavelearnedaboutselectiontoolsandtechniquesfromthechapterand thevideostomaketheselection.  3. Copythewholeimageofthesky.psd. Becarefulnottoaccidentallydeselecttheskyselection.  4. Returntothedevil‐tower.psd.Whiletheblueskyisstillbeingselected,chooseEdit> PasteInto.(Note:NOTjustPaste,butPasteInto.)  5. Savethefileifyouneedtoturninyourfile.  Theskyimageyouhavecopiedshouldnowbepastedintotheselection.SeeFigure1bforthe resultedimage.   […]

Worksheet: Photoshop Basics – Using Layers ApplicationProgramRequired AnyofAdobePhotoshopCC2014  Objective Toreviewlayers.  Instructions Fillouttheworksheet.RefertothesectionUsingLayersinthePhotoshopHelp. CircleormarktheanswersontheLayerspanelontheleftifneeded.      layer”icon,orclickonthepanelmenuiconintheLayerspanelandselect “DeleteLayer”     layer”icon,orclickonthepanelmenuiconintheLayerspanelandselect “DuplicateLayer…”      SelecttheMovetool,___right_______‐clickintheimage,and     SelecttheMovetool,___Ctrl_______‐clickintheimage.The  […]

10 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 4 When applicable, please select all correct answers. 1. A sound with higher _____ is perceived to have a higher pitch. A. volume B. frequency C. fidelity D. sampling […]

13 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 5 When applicable, please choose all correct answers. 1. True/False: The optimal meter level for recording is going past the red area of the meter. 2. Which type of […]

Answerstoanaccompanyinglabforthebook:DigitalMediaPrimer,Yue‐LingWong.Copyright(c)2015 byPearsonEducation,Inc.Allrightsreserved. Lab: Digital Audio Manipulation SoftwareRequirement:AdobeAuditionCS3orabove.Theinstructionsandscreenshotsusedherewere basedfromAuditionCC2014. Objectives of this lab: 1. Distinguishbetweenaudiosamplingrateandaudiofrequency 2. RecordavoiceinAdobeAudition,removebackgroundnoise,rearrangethewaveform,and applysoundeffects 3. Frequencyanalysisofhumanvoice 4. Saveaudioasa.wavand.mp3files 5. LearnwhattypeofinformationislostwhensavingMP3files 6. Learntheeffectsofsamplingrate,resolution(bitdepth),andchannelnumberonfilesize Lab Instructions: I.DistinguishAudioSamplingRatefromAudioFrequency Downloadfoursingletonesfilesfromthebook’sWebsite.Listentothesefoursingletones.Notethe differenceinthepitch. Thesamplingratesandtheaudiofrequenciesofthesesingletonesarelistedinthefollowingtable:  FileFilenameSamplingRateBaseFrequencyoftheSingle‐tone 1tone-sr-44100-base-1000.wav 44,100Hz1000Hz 2tone-sr-44100-base-200.wav 44,100Hz200Hz 3tone-sr-22050-base-1000.wav 22,050Hz1000Hz 4tone-sr-22050-base-200.wav […]

Page1of8 Lab: Digital Audio Manipulation SoftwareRequirement:Audacity1.2orabove.Theinstructionsandscreenshotsusedherewerebased fromAudacity1.3Beta. Objectives of this lab: 1. Distinguishbetweenaudiosamplingrateandaudiofrequency 2. RecordavoiceinAudacity,removebackgroundnoise,rearrangethewaveform,andapply soundeffects 3. Frequencyanalysisofhumanvoice 4. Saveaudioasa.wavand.mp3files 5. LearnwhattypeofinformationislostwhensavingMP3files Lab Instructions: I.DistinguishAudioSamplingRatefromAudioFrequency Downloadfoursingletonesfilesfromthebook’sWebsite.Listentothesefoursingletones.Notethe differenceinthepitch. Thesamplingratesandtheaudiofrequenciesofthesesingletonesarelistedinthefollowingtable:  FileFilenameSamplingRateBaseFrequencyoftheSingle‐tone 1tone-sr-44100-base-1000.wav 44,100Hz1000Hz 2tone-sr-44100-base-200.wav 44,100Hz200Hz 3tone-sr-22050-base-1000.wav 22,050Hz1000Hz 4tone-sr-22050-base-200.wav 22,050Hz200Hz  Q1.Multiple‐choice:Withthesamebasefrequencyofthetone,increasingtheaudio […]

15 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 6 When applicable, please choose all correct answers. 1. Which of the following is the television broadcast standard for the United States and Japan? A. NTSC B. PAL C. […]

23 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 7 When applicable, please choose all correct answers. 1. True/False: The only way to acquire digital video footage is to shoot video directly in digital format. 2. Which of […]

25 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 8 1. HTML documents are ______. A. text files B. JPG files C. PSD files D. MP3 files 2. For the URL: http://www.schoolname.edu/departments/art/index.html : i. The domain name of […]

Lab: HTML Basics #2 Required Application Program: Text editor, such as Notepad (Windows) or TextEdit (Mac OS). Objectives: 1. Hand–code HTML for basic tables and embedding images. 2. Determine relative file path for links and images. Pre-lab: Complete the review […]

28 Answers to Review Questions. “Digital Media Primer” Yue-Ling Wong Chapter 9 1. HTML5 video and audio are played back _____. -in player B. using an external player or a plug-in 2. To provide multiple video or audio sources for […]