ACIT 3730
Terms
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Which of the following is not correct about digital media:
a) Easy to store as a binary representation
b) Finite
c) Has continuous range of values stored
d) Records samples at prescribes times
e) Set of discrete values&nb -
c) Has continuous range of values stored
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Analog duplication is not perfect
a)True
b) False -
a) True
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Concerning the RGB colour model, howdo we make the colour magenta?
a)+red+blue+green
b)+red+blue-green
c)+red-blue-greed
d)-red-blue+green
e)-red-blue-green -
b) +red+blue-green
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Which of the following is false concerning the CMYK color model?
a) It is an additive colour model
b) It requires you to reflect light in order to show colour
c) Used for print materials
d) Uses complimentary colours
e) Uses s -
a) Is an additive color model
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A greyscale image uses how many bytes per pixel?
a) 1 byte
b) 2 bytes
c) 3 bytes
d) 4 bytes
e) 8 bytes -
a) 1 byte
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Which of the following is false about raster imagery?
a) each cell stores a pixel value
b) is resolution independent
c) made up of columns and rows
d) more pixels will offer higher quality
e) storage requirements dependent on -
b) Raster imagery is NOT resolution dependent
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WHich of the following raster image formats support multiple frames?
a) BMP
b) GIF
c) JPEG
d) PNG
e) TIFF -
b) GIF
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When not enough samples are taken the following problem occurs:
a) aliasing
b) contrast
c) dithering
d) gamma correction
e) hue
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a) aliasing
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Vector imagery ultimately mush be raterized
a) trueb) false
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a) true
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Which of the following statements is false concerning vector imagery?
a) can easily be rasterized
b) can easily be used to create photo quality images
c) supports true colour
d) vector imagery is easily scaled
e) vector imag -
b) Vector imagery can NOT be used to create photo quality images
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Which of the following is false about lossless compression?
a) data is exactly the same after decompression
b) does not compress as well as lossy compression
c) does not throw away information
d) offers close to zero error
e) -
d) lossless compression does not offer close to zero error
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Which of the following types of compression is not a lossless compression technique?
a) DCT
b) Dictionary based
c) Huffman
d) RLE
e) VLC -
a) DCT is NOT a lossless compression technique, it is Lossy
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The value 2A3B5C is the compressed version of:
a) 2233355555
b) 2A3B5C
c) AABBBCCCCC
d) ABC235
e) FF00FF
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c) AABBBCCCCC
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Whick of the following is false about DCT?
a) It throws out less important frequencies
b) only the low frequencies are kept
c) similar color pixels are considered less important
d) the data is converted from a spatial to a spectr -
c) similar colour pixels are NOT considered less important in DCT
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Which of the following is false concerning JPEG?
a) it is a compression algorithm as well as a file format
b) offers compression ratios of 20 or more withoutnoticable loss
c) stores data using the RGB color model
d) uses several al -
e) JPEG does NOT work well with cartoon images
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Which of the following is not a characteristic of conventional storyboarding?
a) each storyboard picture can represent some frames
b) each storyboard picture can represent some seconds
c) focus is on continuity
d) heavily descrip -
d) storyboards are NOT heavily descriptive
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Which of the following is not a part of portfolio creation?
a) defining the goals
b) defining the theme
c) implementing the design
d) making a media checklist
e) sorting information -
c) implementing the design is NOT part of portfolio creation
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Decidin that the digital media experience will use a specific layout, we're involved with the following step within the portfolio process:
a) deciding the theme
b) defining the goals
c) determining the target audience
d) -
a) Deciding a specific layout for our portfolio is part of deciding the theme
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In storyboarding, ensuring that all events are presented in a continuous manner is known as
a) continuity of place
b) continuity of time
c) creating a media checklist
d) framing
e) layout -
a) Ensuring that all events are presented in a continuous manner is known as continuity of place
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Which of the following is not a benefit of screencast storyboarding?
a) better planning for time
b) helps in software development
c) helps spot mistakes
d) makes editing easier
e) precise visual decisions can be dictated -
b) Screencast story boarding does NOT help in software development.
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In multicasting, creating a distribution tree of listeners and senders the following protocol is used:
a) FTP
b) IGMP
c) PIM
d) RTP
e) UDP -
c) in multicasting, creating a distribution of listeners and senders, the PIM protocol is used.
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A router with a Time To Live (TTL) value of 20 means that:
a) only 20 concurrent connections can be made to that router
b) only 20 megabits of bandwidth per client are allowed
c) only 20 megabytes of bandwidth per client are allowed
-
e) A router with a TTL value of 20 will only propagate datagrams with a value greater than 20 to the network
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In dealing with levels of multicasting conformance, which level essentially turns off all multicasting capabilities?
a) Level 0
b) Level 1
c) Level 2
d) Level 3
e) Level 4
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a) In multicasting conformance, Level 0 essentially turns off all multicasting capabilities.
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You are required to present (at any time) your entire LAN with a training video. The best way to offer this would be to use:
a) a broadcast
b) a mediacast
c) a multicast
d) a podcast
e) a unicast -
e) To deliver a video to the entire LAN at any time, it would be best to offer a Unicast
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Creating a Webcast for Viewers using Iphones and/or other PDAs, our best choice of media format would be:
a) MPEG 1
b) MPEG 2
c) MPEG 3
d) MPEG 4
e) RAW format -
d) The best format to use to create a webcast for PDA/Iphone viewers would be to use MPEG 4
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Referring to sound waves, when a sound wave bends around an obstacle we call it:
a) compress
b) diffraction
c) expand
d) reflection
e) refraction -
b) when a sound wave bends around an obstacle we call it diffraction.
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What is the range of hearing that humans have?
a) 20 Hz to 20 kHz
b) 20 Hz to 40 Hz
c) 20 kHz to 40 kHz
d) 5 Hz to 22 kHz
e) 60 Hz to 100 kHz -
a) Humans can hear in the range of 20 Hz to 20 kHz
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In digital audio, the series of musical tones whose frequencies are integral multiples of a fundamental tone is known as the:
a) amplitude
b) frequency
c) fundamental frequency
d) harmonics
e) pitch -
d) Harmonics is the series of musical tones whose frequencies are integral multiples of a fundamental tone.
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Which of the following best describes pitch in digital audio?
a) a fundamental frequency
b) a series of musical tones
c) is the perceived fundamental frequency of a sound
d) the magnitude of the sound wave
e) the number of vib -
c) Pitch is best described in digital audio as the perceived fundamental frequency of a sound
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The following type of digital audio encoding tries to predict the next value:
a) ADPCM
b) DCT
c) DPCM
d) Huffman
e) PCM -
a) ADPCM is the encoding method that tries to predict the next value
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Which broadcast signal is used in North America?
a) BBC
b) DCT
c) NTSC
d) PAL
e) SECAM -
c) NTSC is the broadcast signal used in North America
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In television broadcasting, drawing every even line and then drawing every odd line is known as:
a) A colour model
b) compression
c) interlaced scanning
d) pixel depth
e) Progressive Scanning -
c) Interlaced scanning is drawing every even line then drawing every odd line when broadcasting.
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Aspect Ration refers to:
a) The ratio of compression
b) the ratio of noise to quantized signal
c) the ratio of noise to signal
d) the ratio of overall video distortion
e) the ratio of width to height of a frame -
e) the ratio of width to height of a frame is known as Aspect Ratio
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Which of the following is not considered a video CODEC?
a) AVI
b) Cinepak
c) H.264
d) MPEG 1
e) Sheervideo -
a) AVI is NOT a video CODEC. It is a video Container
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Which of the following video container formats is open source?
a) AVI
b) MOV
c) MPEG 4
d) OGV
e) Sorensen -
d) OGV is an open source video container
- If a datagram has a TTL of 128 what restrictions will if have for propagation?
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a TTL of 128 means the datagram will be restricted to the same continent
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Along with descriptive picture, story boards have textual descriptions of what four things
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Actions
Scenery
Views
Directions
- Film Storyboards are used for (5)
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Planning out complex and High action scenes
Help cost out a project
Make a better inventory
Better understand the project
Help with editing
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Conventional or Multimedia Storyboarding:
can be non-linear - Multmedia, Conventional Storyboarding is always linear
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Conventional or Multimedia Storyboarding:
Focus on flow/Continuity
- Conventional. Multimedia storyboards focus on Interaction
-
Conventional or Multimedia Storyboarding:
Each storyboard representing a page/screen/card of content
- Multimedia. In Conventional storyboards each storyboard represents several frames.
-
Conventional or Multimedia Storyboarding:
Heavily Descriptive
- Multimedia. Conventional storyboards have very little textual content - relies on the drawings to convey information.
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Defining the goals of the Digital Media experience
Determining your target audience
Defining your theme
Sorting/structuring/grouping information
Making a media checklist.these are components of doing what?
-
Creating a protfolio consists of each of these.
Defining the goals of the Digital Media experience
Determining your target audience
Defining your theme
Sorting/structuring/grouping information
Making a media checklist.
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Purpose, level of knowledge, demographics, technology requirements.
These are things you need to know when doing what?
-
Determining who your target audience requires knowing:
Why they are coming to your content,
What level of knowledge does the target audience have
What is their demographic
What are the technology requirements of your DM exper -
In portfolio development, choosing the right colours, typefaces, layouts, shadings/backgrounds are part of what stage?
- Defining the theme during portfolio development consists of choosing the right colours, typefaces, layouts, and shadings/backgrounds.
- What might you do during step 1 - Define Instructional Objective
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Give a description of what the interactive title is about
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What part of portfolio development might contain:
Picture showing rough idea for final presentationAnimation Description
Sound Description
Text Found on Page
Interactivity Description
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Step 2 - Creating the introduction of Portfolio Development might contain
Picture showing rough idea for final presentation
Animation Description
Sound Description
Text Found on Page
Interactivity Description -
In the concept of Continuity, does ensuring that all events are presented in a continuous manner mean continuity of time or place?
- Continuity of time means to ensure that all events are presented in a continuous manner.
- In the concept of Continuity, does ensureing all objects in a scene are consistently presented (in the same place as expected) mean continuity of time or place?
- Continuity of place means ensuring all objects in a scene are consistently presented.
-
Much like a video production, a media-rich presentation with
music, commentary or textual descriptions
Animated diagrams, talking heads
and computer screen captures of a set of actionsis called what?
-
A Screencast is a media rich presentation with
music, commentary, or textual descriptions,
Animated diagrams, talking heads
and computer screen captures of a set of actions.
- What video/screen capture software is open source and works on Windows, linux, and mac os?
- vnc2swf is an open source software that works on Windows, linux, and mac os.
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What vector graphics software is open source and works on Windows, linux, and mac os?
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Inkscape is an open source vector graphics program that runs on Windows, linux, and mac os
- fade, shatter, dissolve, wipe left are all examples of what?
-
Fade, shatter,dissolve, wipe left are all examples of transitions.
-
pros of:
Finishing quickly, virtually no required editingand
cons of:
Requiring extensive planning/understanding, assuming no mistakes, and hours if lines/shots are flubbedare characteristics of what kind of production app
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One Continuous Production has
pros of Finishing quickly, virtually no required editing
and cons of Requiring extensive planning/understanding, assuming no mistakes, and hours if lines/shots are flubbed
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pros of:
being able to edit mistaks out, allowing for time lapse, and flowing better usually,and
cons of:
much time spent editing, Plan, record, shoot, plan, record, shootare characteristics of what kind of production ap
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Using many separate shots as a production approach has the
pros of being able to edit mistakes out, allowing for time lapse, and flowing better
and cons of much time spent editing.
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You should use which kind of production approach
If you don't feel confident speaking for long periods,
don't need time lapse or discontinuous shots,
or don't deisre many interesting effects,
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You should use the many separate shots approach for production
if you don't feel confident speaking for long periods,
don't need time lapse or discontinuous shots,
or don't desire many interesting effects
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You should use which kind of production approach
if you know all the material extremely well
and can perform all of the actions in real time
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You should use the continuous shoot approach for production
if you know all the material extemely well
and can perform all of the actions in real time
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What Susan Woo presentation rules apply to screencasting?
-
Tell them what you are going to tell them,
(Introduction)Then tell it to them
(content)and finally, tell them what you just told them.
(Summary) - In digital media authoring, Design, model, or pattern in which we acheive digital media authoring is the what?
- The paradigm is the design, model, or pattern in which we achieve digital media authoring.
-
Scripting language
Iconic / Flow Control
Card scripting
Cast/score
are examples of what in Digital Media Authoring?
-
Scripting Language,
Iconic / Flow Control
Card Scriptng
Cast / Score
are examples of Paradigms in Digital Media Authoring
-
Which digital media authoring paradigm:
Relies heavily on writing code,
Little or no GUI manipulation
Closest thing to being like programming environment
Can be Object Oriented? -
The Scripting Language Paradigm
Relies heavily on writing code,
Little or no GUI manipulation
Closest thing to being like programming environment
Can be Object Oriented? -
Which digital media authoring paradigm has:
Pros of:
Powerful, very extensable/flexible, can create complex interactive experiencesand Cons of:
steep learning curve, longer development time, costs more to produce content ?
< -
The Scripting Language digital media authoring paradigm has:
Pros of
Powerful, very extensable/flexible, can create complex interactive experiencesand Cons of:
Steep learning curve, longer development time, costs more to produce -
Which Digital Media Authoring Paradigm:
Uses drag and drop icon pallets, where icons represent Functions, interaction of a program?
- The Icon / Flow Control Paradigm uses drag and drop icon pallet, where icons represent Functions, interaction of a program.
-
Which Digital Media Authoring Paradigm has
Pros of short development time, being easy to use
and Cons of having slow runtimes, not very flexible?
-
The Icon / Flow Control paradigm has
Pros of short development time, being easy to use
and Cons of having slow runtimes and is not very flexible.
-
Which Digital Media Authoring Paradigm is
Hierarchical in structure, like a deck of cards, and is a scripting language that supports interaction and animation?
-
The Card Scripting Paradigm is
Hierarchical in structure, like a deck of cards and is a scripting language that supports interaction and animation.
-
Which Digital Media Authoring Paradigm has
Pros of being great for navigation titles
and Cons of being limited in use, not very supportive of linear productions, and not very efficient
-
The Card Scripting Paradigm has
Pros of being great for navigation titles
and Cons of being limited in use, not very supportive of linear productions, and not very efficient
-
Which Digital Media Authoring Paradigm has
Pros of being great for linear animation and media playback
and Cons of having a steep learning curve, and is not so easy to use.
-
The Cast / Score Paradigm has
Pros of being great for linear animation and media playback
and Cons of having a steep learning curve, and is not so easy to use.
-
Which Digital Media Authoring Paradigm
Contains a score or timeline that supports channels and time units, is Linear and synchronous in nature, contains "Cast Members" like sprites, movie clips, and actors? -
The Cast / Score Paradigm
Contains a score or timeline that supports channels and time units, is Linear and synchronous in nature, contains "Cast Members" like sprites, movie clips, and actors? -
True or false:
In Flash, code is executed before the frame is played
- True, in Flash, code is executed before the frame is played
-
True or false:
In flash, code always synchronizes with the playback head.
-
False:
In Flash, code does not always synchronize with the playback head
-
True or False:
In Flash, Code can access parts of a movie that has not yet loaded.
-
False:
In Flash, you must ensure code does not try to access portions of a movie that haven't been loaded
-
True or False:
In Flash, Functions declared later on in the timeline cannot be references before their place in the timeline.
-
True:
In Flash, Functions declared later on in the timeline cannot be references before their place in the timeline.
-
True or False:
In Flash, Code on buttons must always be placed in an event handler.
-
True:
In flash, code on buttons must always be placed in an event handler
-
True or False:
In Flash, you can add code to internal frames of a button.
-
False:
In Flash, you cannot add code to internal frames of a button
-
What type of object in flash allows you to
Repeatedly display an animation,
Execute a block of code,
Import or export resources into or out of the library,
Create a blank clip that we'll programmatically alter/manipulate at a l -
The Movie Clip in flash allows us to
Repeatedly display an animation,
Execute a block of code,
Import or export resources into or out of the library,
Create a blank clip that we'll programmatically alter/manipulate at a late -
on(rollover) {
playsound();
}
is an example of what?
-
A button event handler in flash
-
onClipEvent(keyup) {
_visible = 0;
}
is an example of what?
-
a movie clip event handler in flash
-
Movie Clips, buttons, objects (XML, XMLSockets) are what kind of objects that can receive events in flash?
- Movie Clips, buttons, objects (XML, XMLSockets) are ActionScript objects that can receive events in flash.
- What is MediaCasting?
- MediaCasting is delivering Streaming media via the Internet or Network using internet protocols.
-
What thing similar to broadcasting
can contain moving pictures, audio, or animation.
Can be live or prerecorded,
and have advertisements (sponsors)
-
Mediacasting is similar to broadcasting and
can contain moving pictures, audio, or animation.
Can be live or prerecorded,
and have advertisements (sponsors)
-
Screencast, Podcast, or Webcast type of mediacasting?
WebBased (HTTP) media Stream that ususally assumes a standard web browser for viewing
-
A Webcast Type of Mediacast
is WebBased (HTTP) media Stream that ususally assumes a standard web browser for viewing
-
Screencast, Podcast, or Webcast type of mediacasting?
Can be Web-Based (HTTP) but focuses on computer desktop and is great for giving Software tutorials. -
A Screencast type of Mediacast
Can be Web-Based (HTTP) but focuses on computer desktop and is great for giving Software tutorials.
-
Screencast, Podcast, or Webcast type of mediacasting?
is a term used to deliver media streams via ipod -
A Podcast type of mediacas
is a term used to deliver media streams via ipod
-
Define Streaming
-
Streaming is sending continual data in real-time.
-
What is Real-Time?
- Real-Time is anything that is played back at a rate which the human senses perceive as "real"
- How many Frames per second does the human senses perceive as "Real"?
- at 30 Frames Per Second the Human senses perceive movement as real.
- At what kHz does the human senses perceive as "Real"?
-
At 20kHz, the human senses perceive audio as "Real".
-
What is needed to receive streaming data?
-
IN order to receive streaming data, a High speed connection, software to support it, any CODECS, and protocols for streaming are required.
-
Why are TCP (HTTP and FTP) not suitable protocols for streaming Data?
- TCP (HTTP and FTP) are not suitable protocols for streaming data because they are for reliable data communications. When packets are lost, re-transmittal of the data takes place. Too much overhead.
- What is RTP?
-
RTP is the Real-Time Transport Protocol.
-
What is RTP used for?
-
RTP is used for Streaming Data.
- What protocol is RTP used over?
-
RTP is used over the UDP protocol.
- What type of Mediacasting allows each client to get a separate unique stream (their own channel)?
- Unicasting allows each client to receive their own separate unique stream (own channel).
-
Which type of Mediacasting suffers from these problems:
Multiple connections,
Heavy Processing of streaming media
Requires powerful hardware for delivery
Requires OS that can deliver timely and reliably. -
Unicasting suffers from these problems:
Multiple connections,
Heavy Processing of streaming media
Requires powerful hardware for delivery
Requires OS that can deliver timely and reliably. -
What is Multicasting?
-
Multicasting is sending one set of data (stream) to multiple recipients.
-
Which type of mediacasting:
Requires IP Addresses
Large Bandwidth from network
Supporting network hardware? -
Multicasting
Requires IP Addresses
Large Bandwidth from network
Supporting network hardware? - Why is IP 224.0.0.0 important in multicasting?
-
224.0.0.0 is a reserved IP, so you cannot use it in multicasting.
-
Why is IP 224.0.0.1 important in multicasting?
- 224.0.0.1 is used for all hosts on the subnet. When you ping it, all multi-cast capable hosts will answer.
-
Why is IP 224.0.0.2 important in Multicasting?
- IP 224.0.0.2 is for all multicasting capable routers. If you ping this, all multicast capable routers will answer.
-
What is Level 0 multicast conformance?
- Level 0 multicast conformance means there is no support for multicasting.
-
What is Level 1 multicast conformance?
-
Level 1 multicast conformance means the device is sending but not receiving multicast IP datagrams
-
What is Level 2 multicast conformance?
- Level 2 multicast conformance means the device can send and receive traffic
- A TTL of 0 means the datagrams are restricted to ___ ?
- A TTL of 0 means the datagrams are restricted to the same HOST
- A TTL of 1 means the datagrams are restricted to ___ ?
- A TTL of 1 means the datagrams are restricted to the same subnet (it won't get forwarded by the router)
- A TTL of 32 means the datagrams are restricted to ___ ?
- A TTL of 32 means the datagrams are restricted to site or organization or department.
- A TTL of 64 means the datagrams are restricted to ___ ?
- A TTL of 64 means the datagrams are restricted to the same region.
- A TTL of 128 means the datagrams are restricted to ___ ?
- A TTL of 128 means the datagrams are restricted to the same continent.
- A TTL of 255 means the datagrams are restricted to ___ ?
- A TTL of 255 means the datagrams are restricted to nothing, they are global in scope.