Multiple choice question of multimedia communications Technology BE.(electronics and telecommunication engineering) may 2019 CGPA
1-why is a picture frame projected twice on the screen?
a) strengthen the image
b) to have good focusing
c) to eliminate flicker
d) none of this
Ans:- c) to eliminate flicker
2-from where is the laser beam not reflected in video disc?
a) from flat
b) from pits
c) from land
d) from glass
Ans:-b)from pits
3-the value of kell factor is about______
a) 0.3
b) 0.5
c) 0.7
d) 0.9
Ans:- c)0.7
4-horizontal scanning frequency according to CCIR standards is______Hz.
a) 15750
b) 15725
c) 15625
d) 50
Ans:-c) 15625
5-chroma signal requires_______detector in receiver.
a) envelope
b) balanced
c) ratio
d) foster silly discriminators
Ans:- b) balanced
6-weighting factor for U is______
a) 0.
b) 0.493
c) 0.877
d) 1
Ans:- b)0.493
7-In NTSC colour TV system colour difference signal converted into____
a) R-Y & B-Y
b) U&V
c) I&Q
d) R-Y & G-Y
Ans:-a) R-Y &B-Y
8-the mode where source information is created in a time independent way and is often stored is called as_______
a) block
b) continuous
c) stored
d) none of above
Ans:- a)Block
9-information flows in both directions but alternatively called as_______
a) simplex
b) duplex
c) half duplex
d) none of above
Ans:-c) half duplex
10-In________ encoding,it makes the use of the flaws of auditory system.
a) perceptual
b) predictive
c) temporal
d) none of above
Ans:-d) none of above
11- _______ sampling rate is not used in MPEG-1.
a) 32 KHz
b) 44.1 KHz
c)44.3KHz
d)48KHz
Ans:-d)44.3KHz
12-MIDI stands for______
a) musical instrument digital interface
b) musical instrument digital instruction
c) MP3 instrument digital interface
d) musical instrument design interface
Ans:- a) musical instrument digital interfer
13-real-time traffic needs support of_______
a) broadcasting
b) multicasting
c) both a and b
d) none of above
Ans:- b) multicasting
14-moving picture expert group (MPEG) is used to compress________
a) frame
b) image
c) audio
d) video
Ans:- d) video
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