Anna University Chennai 2005 B.E Computer Science : MULTIMEDIA SYSTEMS - Question Paper

Code: C-21 / T-12 Subject: MULTIMEDIA SYSTEMS
Time: three Hours Max. Marks: 100
NOTE: There are 11 ques. in all.
ques. one is compulsory and carries 16 marks. ans to Q. 1. must be written in the space given for it in the ans book supplied and nowhere else.
ans any 3 ques. every from Part I and Part II. every of these ques. carries 14 marks.
Any needed data not explicitly given, may be suitably presumed and said
Q.1 Choose the accurate or best option in the subsequent : (2x8)
a. _______converts a sequence of words into an audio signal.
(A) Speech Generator. (B) Speech Recognition.
(C) Speech Synthesis. (D) Speech Recogniser.
b. The color model used by CRT monitors is
(A) RYB. (B) RGB.
(C) RWB. (D) RBP.
c. The technique to change blocks of repeated pixel values by the repetition count and pixel value is
(A) Interpolative technique. (B) Hufman coding technique.
(C) Truncation technique. (D) Run length coding technique.
d. SMDS in multimedia stands for
(A) Session Multimegabit Data Service
(B) Switched Mixmegabit Data Service
(C) Switched Multimegabit Data Service
(D) Standard Multimegabit Data Service
e. A Microsoft technology that will allow users to set multimedia elements into S/W programs is
(A) OLE (B) ODA
(C) OSI (D) OCR
f. For 2 waveforms with peak amplitudes A and B the difference in their amplitudes in terms of decibel measure is

(A) dB = 20 log10 (A-B) (B) dB = 20 log10 (B/A)
(C) dB = 20 log10 (A + B) (D) dB = 20 log10 (A/B)
g. MPEG in multimedia system stands for
(A) Motion Phase Experts Group (B) Motion Picture Experts Group
(C) Media Phase Experts Group (D) Media Picture Experts Group
h. A method of coding pictures so that they can be scaled up or down without losing resolution is called
(A) WIDOW. (B) WAV.
(C) WMF. (D) WILDCARD.
PART I
ans any 3 ques.. every ques. carries 14 marks.
Q.2 a. Explain the different uses of multimedia in the field of teaching. (4)

b. Differentiate ranging from the following: (10)

(i) Inter and intra - object synchronization.
(ii) Live and synthetic synchronization.
Q.3 a. Explain the basic features needed in a software tool to make a multimedia presentation. (7)

b. Describe main properties of a multimedia system. (7)

Q.4 a. Compare asynchronous and iso synchronous data transmission modes. (7)

b. What is the role of Transport management and Session management in multimedia Networks? (7)

Q.5 a. Explain the different broadcast - video standards. (7)

b. Why is compression a necessity in multimedia applications? discuss how is video compression done in MPEG1? (7)

Q.6 Write short notes on the subsequent : (7x2=14)

(i) Virtual Reality.
(ii) Graphics Animation.
PART II
ans any 3 ques.. every ques. carries 14 marks.
Q.7 What do you mean by Process management and Resource management in multimedia operating systems?
discuss why we need them in multimedia. (14)

Q.8 Write short notes on any 2 of the subsequent :
(i) CCD camera and digital camera.
(ii) Contrast stretching and enhancement averaging.
(iii) Authoring tools and their classification. (7x2=14)
Q.9 Differentiate ranging from the subsequent :

(i) Digital Audio and MIDI.
(ii) Run length coding and Huffman coding. (7)
(7)
Q.10 a. Describe a CD-ROM in terms of

(i) The layers in it.
(ii) Layout of tracks.
(iii) Lands and pits on it. (6)
(2)
(2)
b. What do you understand by WORM? How does it differ from a CD-ROM? (4)

Q.11 a. What do you mean by multimedia database? discuss the uses of database in multimedia. (7)

b. Explain why we need web server and the web browser in multimedia. (7)

Earning:   Approval pending.