Solved : Jul 2021 M4.2-R4: INTRODUCTION TO MULTIMEDIA
Q. 1 : Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the "OMR" answer sheet supplied with the question paper, following instructions therein.
(1x10)
1.1 : Moving Picture Experts Group (MPEG-1), was designed for a .
(A) PC
(B) CD
(C) DVD
(D) Floppy
1.2 : In Real Time Interactive Audio Video, to prevent jitter, we can time-stamp packets and separate arrival time from the
__________.
(A) Frame Time
(B) Playback Time
(C) Pixels Time
(D) Packet Time
1.3 : In Audio and Video Compression, voice is sampled at 8000 samples per second with
(A) 5 bits per sample
(B) 6 bits per sample
(C) 7 bits per sample
(D) 8 bits per sample
1.4 : Hypertext is :
(A) used to link document
(B) a search engine
(C) includes sound and videos
(D) requires plug-in to be viewed by a browser
1.5 : HTTP client accesses Web Server by using the
(A) SEND message
(B) GET message
(C) AUTO receive message
(D) None of the options
1.6 : In Video Compression, an independent frame that is not related to any other frame is called:
(A) B-Frame
(B) C-Frame
(C) I-Frame
(D) P-Frame
1.7 : Multimedia system requires hard real time scheduling _.
(A) to ensure critical tasks will be serviced within timing deadlines
(B) to deliver the media file to the client
(C) to minimize the delay
(D) for security
1.8 : Real time streaming protocol is used
__________.
(A) to control streaming media servers
(B) for establishing and controlling media sessions between endpoints
(C) to provide real time control of playback of media files from the server
(D) all of the options
1.9 : A multimedia file .
(A) is same as any other regular file
(B) must be accessed at specific rate
(C) stored on remote server can not be delivered to its client
(D) none of the options
1.10 : Real-time traffic needs support of
__________.
(A) Unicasting
(B) Multicasting
(C) Layered Control
(D) Protocol Control
2. Each statement below is either TRUE or FALSE. Choose the most appropriate one and enter your choice in the "OMR" answer sheet supplied with the question paper, following instructions therein. (1x10)
2.1 In general, SWF files are smaller than FLA files.
2.2 JPEG supports animated images.
2.3 Compression scheme can be applied to monophonic audio file.
2.4 The objective of VRML is to have the capability to put coloured objects into a 3D environment.
2.5 In a colour 24-bit image, in each pixel, Red is represented by 4 bytes, Green is represented by 2 bytes and Blue is represented by 3 bytes.
2.6 The main purpose of Word processing software is to maintain budget, financial statements, grade sheets, and sales records.
2.7 MPEG-4 uses wavelet coding for the texture of static objects.
2.8 Facsimile machine, a device that can send or receive voice messages over a telephone line.
2.9 ROM is special type of memory which can read and write content.
2.10 Digital Video Disk (DVD) is similar to a CD but has larger storage capacity but low clarity.
Q.3 : Match words and phrases in column X with the closest related meaning/ word(s)/phrase(s) in column Y. Enter your selection in the "OMR" answer sheet supplied with the question paper, following instructions therein.
(1x10)
|
X |
Y |
||
|
3.1 |
Machine language |
A. |
Allow for motion of an object
by controlling where an object is in on the stage
at a particular frame
for animation. |
|
3.2 |
Lossless JPEG |
B. |
Is the native language
directly understood by the computer's central
processing unit or CPU. |
|
3.3 |
Motion Tweening |
C. |
May use LED technology. |
|
3.4 |
Band-limiting filters |
D. |
Translates high-level instructions into an intermediate form, which it then executes. |
|
3.5 |
MIDI |
E. |
Are types of Non-impact printers. |
|
3.6 |
Lossy compression |
F. |
Files are generally very large. |
|
3.7 |
UBUNTU |
G. |
Are types of Impact printers. |
|
3.8 |
Monitor |
H. |
Is a type of Operating System. |
|
3.9 |
Laser and Inkjet Printers |
I. |
Is a scripting language
for the production of sounds. |
|
3.10 |
Interpreter |
J. |
Allow screening of lower
and higher frequencies. |
|
|
|
K. |
Is a special case of the JPEG
image compression. |
|
|
|
L. |
An insignificant wavelet coefficient. |
|
|
|
M. |
Involves a tradeoff between
rate and distortion. |
Q.4 : Each statement below has a blank space to fit one of the word(s) or phrase(s) in the list below. Choose the most appropriate option, enter your choice in the "OMR" answer sheet supplied with the question paper, following instructions therein. (1x10)
|
A. |
Virus |
B. |
Flash Disk |
C. |
Persistence |
|
D. |
Embedded |
E. |
Mainframe |
F. |
Processor |
|
G. |
2's Complement |
H. |
Three |
I. |
Database |
|
J. |
Flipbook |
K. |
Morphing |
L. |
Resolution |
|
M. |
Burning |
|
|
|
|
4.1 There are ______ different types of symbols in Flash.
4.2 In a PDF, the fonts are usually ______ .
4.3 The ______ is a removable storage device.
4.4 ______ is powerful multi-user computer capable of supporting many hundreds or thousands of users simultaneously.
4.5 Digital animation is based on the idea of a ______ , which is a book with a series of pictures varying gradually from one page to the next, and when readers turn the pages fast enough, they would become an animation.
4.6 ______ of vision refers to the optical illusion whereby multiple discrete images blend into a single image in the human mind and believed to be the explanation for motion perception in cinema and animated films.
4.7 ______ is a small piece of software that piggybacks on real programs and can cause damage to the software, system or network.
4.8 ______ is used for representation of signed binary numbers.
4.9 The ______ uses RISC and CISC Operation sets.
4.10 A ______ is a persistent, logically coherent collection of inherently meaningful data, relevant to some aspects of the real world.
PART TWO
(Answer any FOUR questions)
Q 4.
(a) What are the key issues that need to be addressed for designing web based multimedia applications ?
(b) What is the mechanism of digitized sound? How does the computer reconstruct sound wave from sample data ?
(7+8)
Q.5
(a) What is data compression ? Why it is required ? What properties of data make it possible to allow for compression to happen ?
(b) Differentiate between entropy coding, source coding and channel coding. Explain the JPEG
Q. 6
(a) Present some signal statistics relevant to audio coder filter bank design.
(b) Present the Psychoacoustic Model and MPEG Audio Coding Standard.
(6+9)
Q7.
(a) Present the methods to perform transition from traditional media to digital media.
(b) Mention a few image enhancement techniques.
(6+9)
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