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Title Name Amity Solved assignment BSC IT 5th Sem for Multimedia Technologies
University AMITY
Service Type Assignment
Course B.Sc-(IT)
Semester Semester-VI Course: B.Sc-(IT)
Session 2016-2017
Short Name or Subject Code Multimedia Technologies
Commerce line item Type Semester-VI Course: B.Sc-(IT)
Product Assignment of B.Sc-(IT) Semester-VI (AMITY)


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Solved Assignment

  Questions :-

                                                                                                                          MULTIMEDIA TECHNOLOGIES


  1. Describe the framework of multimedia systems. How this framework helps to enhance multimedia outputs?
  2. Write some important uses of audio in computer applications. Give the methodology behind the transmission of digital sound.
  3. Give the digital audio signal processing method. How this method is useful for multimedia applications?
  4. Differentiate between Raster and Random Scan Display. Explain the Raster scanning principles with its importance.
  5. How can you evaluate the compression system? Write some video compression techniques in details
  6. Compare and contrast the JPEG image compression standards and the MPEG motion video compression standard with their applications.
  7. Describe the concept of virtual reality. How this technique help the uses and applications of multimedia system.
  8. Explain various Multimedia services. How these services differ from the services of Window systems?






Case Detail:  

Multimedia systems may have to render a variety of media at the same instant -- a distinction from normal applications. There is a temporal relationship between many forms of media (e.g. Video and Audio. Data has to represented digitally so many initial source of data needs to be digitise -- translated from analogy source to digital representation. The will involve scanning (graphics, still images), sampling (audio/video) although digital cameras now exist for direct scene to digital capture of images and video. The data is large several Mb easily for audio and video -- therefore storage, transfer (bandwidth) and processing overheads are high. Each pixel is stored as a single bit (0 or 1), so also referred to as binary image. Such an image is also called a 1-bit monochrome image since it contains no colour. Each pixel has a grey-value between 0 and 255. Each pixel is represented by byte; e.g., a dark pixel might have a value of 10, and a bright one might be 230. Bitmap: The two-dimensional array of pixel values that represents the graphics/image data.  Image resolution refers to the number of pixels in a digital image (higher resolution always yields better quality). – Fairly high resolution for such an image might be 1,600 1,200, whereas lower resolution might be 640 480. 8-bit image can be thought of as a set of 1-bit bit-planes, where each plane consists of a 1-bit representation of the image at higher and higher levels of “elevation”: a bit is turned on if the image pixel has a nonzero value that is at or above that bit level. Each pixel is usually stored as a byte (a value between 0 to 255), so a 640 480 grey scale image requires 300 kb of storage (640 480 = 307, 200). When an image is printed, the basic strategy of dithering is used, which trades intensity resolution for spatial resolution to provide ability to print multi-level images on 2-level (1-bit) printers. Dithering is used to calculate patterns of dots such that values from 0 to 255 correspond to patterns that are more and more filled at darker pixel values, for printing on a 1-bit printer. The main strategy is to replace a pixel value by a larger pattern, say 2 2 or 4 4, such that the number of printed dots approximates the varying-sized disks of ink used in analogue, in halftone printing (e.g., for newspaper photos). The most common data types for graphics and image file formats — 24-bit colour and 8-bit colour. Some formats are restricted to particular hardware / operating system platforms, while others are “cross-platform” formats. Even if some formats are not cross-platform, there are conversion applications that will recognize and translate formats from one system to another. Most image formats incorporate some variation of a compression technique due to the large storage size of image files. Compression techniques can be classified into lossless.


  1. The data is large for audio and video therefore storage, transfer (bandwidth) and processing overheads are high. How will you handle this situation to store perfect image? Explain.
  2. Explain the various methods to capture high resolution images. Describe the difficulties to capture such images and their solutions.
  3. Compression techniques can be classified into either lossless or lossy. How will you handle the lossy data during compression? Explain any one technique.







Question No.  1

The major difference between a multimedia file and a regular file is :   


  1. the size
  2. the attributes
  3. the ownership
  4. the rate at which the file must be accessed



Question No.  2         

Video is represented as a series of images formally known as :   


  1. pics
  2. shots
  3. frames
  4. snaps



Question No.  3         

The faster the frames are displayed, :        


  1. the rougher the video appears
  2. the smoother the video appears
  3. it gets blurry
  4. None of these



Question No.  4         

The characteristic of the eye to retain the image for a short time after it has been presented is known as :           


  1. persistence of vision
  2. learning power
  3. memory mapped input
  4. None of these



Question No.  5         

Local playback is when       


  1. the multimedia data are delivered from a local file system
  2. a computer next to you is playing something
  3. a multimedia file is being played on a system in the local network
  4. None of these



Question No.  6         

Random access is not allowed in :   


  1. live streaming
  2. dead streaming
  3. static streaming
  4. on demand streaming



Question No.  7         

The streaming that takes place as the event is occurring is :        


  1. live streaming
  2. dead streaming
  3. static streaming
  4. on demand streaming



Question No.  8         

For a computer to deliver continuous media it must guarantee the specific rate and timing requirements, also known as :         


  1. deadline
  2. quality of service
  3. period
  4. burst time



Question No.  9         

For QOS to be implemented properly        


  1. file systems must be efficient to meet the rate requirements of continuous media
  2. network protocols must support bandwidth requirements while minimizing delay and jitter
  3. Both a and b
  4. None of these



Question No.  10       

Once a file is compressed :   


  1. it has a better quality
  2. it takes up less space for storage
  3. Both
  4. None of these



Question No.  11       

The three levels in QoS are  


  1. Best effort service
  2. Soft QoS
  3. Hard QoS
  4. All of the above



Question No.  12       

The level that treats different types of traffics in different ways, giving certain traffic streams higher priority than other streams and with best efforts, but no guarantees are made :          


  1. Best effort service
  2. Soft QoS
  3. Worst effort service
  4. Hard QoS



Question No.  13       

The quality of service requirements are guaranteed in :  


  1. Best effort service
  2. Soft QoS
  3. Worst effort service
  4. Hard QoS



Question No.  14       

The factors that define QoS are :   


  1. Throughput
  2. Jitter
  3. Delay
  4. All of the above



Question No.  15       

Delay and Jitter        


  1. mean the same thing
  2. are two completely different things
  3. Both of above
  4. None of the above



Question No.  16       

The media file is streamed to the client but is only played and not stored by the client in :      


  1. progressive download
  2. regular download
  3. real time streaming
  4. virtual time streaming



Question No.  17       

The characteristic of the eye to retain the image for a short time after it has been presented is known as :           


  1. persistence of vision
  2. learning power
  3. memory mapped input
  4. None of these



Question No.  18       

A video consists of a sequence of    


  1. Frames
  2. signals
  3. packets
  4. slots



Question No.  19       

If frames are displayed on screen fast enough, we get an impression of


  1. signal
  2. motion
  3. packet
  4. bits



Question No.  20       

To receive signal, a translator is needed to decode signal and encode it again at a        


  1. higher quality
  2. lower quality
  3. same quality
  4. bad quality



Question No.  21       

One of the disadvantages of multimedia is:


  1. cost
  2. adaptability
  3. usability
  4. relativity



Question No.  22       

The text color in a presentation should contrast with the ________ color.         


  1. P.U
  2. frame
  3. stack
  4. background



Question No.  23       

Images included in many software titles are called _________.   


  1. clipboard
  2. popups
  3. .jpeg file
  4. .tiff file



Question No.  24       

Images included in many software titles are called _________.   


  1. portable network graphic
  2. clipart
  3. bitmap
  4. thumbnail



Question No.  25       

The process of planning your multimedia presentation is known as a:  


  1. design
  2. storyboard
  3. development
  4. layout



Question No.  26       

Hardware that creates sound from a mathematical representation        


  1. Sound Synthesizer
  2. Stampers
  3. Speaker
  4. Sons



Question No.  27       

ITC Franklin Gothic specifies:       


  1. style
  2. visual effect
  3. color
  4. font



Question No.  28       

The visual representation of a project that includes a table of contents as well as a chart of the logical flow of the interactive interface is often called   


  1. A master layout
  2. A navigation map
  3. A workflow diagram
  4. A prototype



Question No.  29       

Space between lines:


  1. leading
  2. kerning
  3. extrude
  4. expending



Question No.  30       

represents_________ tool    


  1. card based
  2. page based
  3. time based
  4. icon based



Question No.  31       

MIDI stands for:      


  1. Musical Instrument Digital Interface
  2. Musical Instrument Digital Instruction
  3. MP3 Instrument Digital Interface
  4. Musical Instrument Design Interface



Question No.  32       

Which of these is not likely to be the responsibility of a multimedia project?    


  1. Create interfaces
  2. Ensure the visual consistency of the project
  3. Structure content
  4. Create budgets and timelines for the project



Question No.  33       

Which of the following is not the style for the font?         


  1. shadows
  2. outline
  3. carve
  4. bold



Question No.  34       

Identify the Macintosh character for <>    


  1. (…)Ellipse
  2. ?
  3. ""
  4. =



Question No.  35       

What is the quick time embedded HTML command?      


  1. HFS
  2. Hues
  3. HREF



Question No.  36       

Converting bitmaps to drawn object is more difficult and is called:       


  1. Dithering
  2. morphing
  3. auto tracing
  4. leading



Question No.  37       

___________is a part of multimedia.          


  1. Text
  2. Hypertext
  3. Plain Text
  4. Print Text



Question No.  38       

A Multimedia Presentation can be:

  1. Linear.
  2. Nonlinear.

III. Structured link.

  1. Web page.


  1. Only (I) above
  2. Only (IV) above
  3. Both (I) and (II) above
  4. All (I), (II), (III) and (IV) above



Question No.  39

A ________buffer is required for real-time traffic.          


  1. playback
  2. recording
  3. sorting
  4. none of above



Question No.  40       

We can divide audio and video services into _______ broad categories. 


  1. three
  2. two
  3. four
  4. none of the above

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