1.Answer the questions below
a) Lossy Audio Compression is based on the phenomenon of _ _ _ _ _ _ _ _ .
b) Which of the following format is based on EBML (Extensible Binary Meta Language) ?
i) MP4 ii) MKV iii) WMV iv) OGV
c) The frequency of occurrence of set of characters are as follows:
A(16) , B(7) , C(6) , D(6) , E(5) .
What is the uncompressed length of the document?
i) 150 bits ii) 120 bits iii) 90 bits iv) 180 bits
d) Audio CD format requires sound to be digitized using a sampling rate of 44.1 kHz and bit-depth of 16 bits, in stereo mode. If 74 minutes of the digitized audio can be stored in a single CD, What is the CD storage capacity?
i) 1493.86 MB ii) 746.93 MB iii) 374.96 MB iii) 92.9 MB
e) Consider an image of dimensions 640x480 and color depth of 16 bits. If this image is to be transferred along a 56 kbps line from Web server, How long it takes before the entire image is visible on the screen?
i) 5.48 sec ii) 87.78 sec iii) 43.92 sec iv) 10.96 sec
f)An audio clip has a duration of 8 minutes. The highest frequency in the sound wave is 15 kHz. This is to be sampled using 8 bits per sample and in stereo mode. Estimate the minimum date rate in KB/s required to play back the digital file and the file size in MB.
i)58.6 KB/s and 13.73 MB ii)29.3 KB/s and 13.73 MB iii) 58.6 KB/s and 27.46 MB iv) 29.3 KB/s and 27.46 MB
g) Write the full form of the following:- HDMI, TIFF, MHEG, MIDI
h) Which of the following is an increasing order of angle occupied by colors (0o-360o) when HSV Color Space is represented as Hexacone?
i)Green,Cyan,Magneta,Blue,Yellow,Red
ii)Red,Yellow,Green,Cyan,Blue,Magneta
iii)Cyan,Blue,Magneta,Red,Yellow,Green
iv)Blue,Magenta,Red,Yellow,Cyan,Green
i)Which of the following does not characterizes a CRT based device ?
I)High Power Consumption
ii)Lesser Monitor Depth
iii)Higher Longevity
iv)Appreciable amount of Brightness
j)Which of the following is not a lossless audio compression technique?
i)FLAC ii)Monkey’s Audio iii)WavPack iv)MPEG-1
k)Which of the following algorithms uses the concept of dynamic dictionary?
i)LZW coding ii)Shannon-Fano coding iii)Huffman Coding iv)Arithmetic Coding
l)Which of the following does not characterizes a BitTorrent?
i)It is a highly suitable for dial-up connections.
ii)An option of reseeding is available for every users once they finish downloading the file.
iii)It is a peer-to-peer distribution protocol.
iv)For sharing the files, users first create a small pointer file.
m)Which of these is not likely to be the responsibility of a multimedia project?
i) Create interfaces
ii) Ensure the visual consistency of the project
iii) Structure content
iv) Create budgets and timelines for the project
n) Interleaving the audio and video segments of a video clip together in a data file is:
i) Flare
ii) Flattening
iii) Hot Spot
iv) Helical Scan
o)______________ is the special effect used to introduce each slide in a slide presentation.
i) Animation
ii) Bulleting
iii)Transition
iv)Mapping
2.Answer each of the following questions
a) What is CMYK model? What does K in CMYK signifies? Why CMYK and RGB color model are said to be complementary? Traffic signals should use ROB color system whereas an inkjet printer should use CMYK color system. Why?
b) State the difference between raster graphics and vector graphics. If vector graphics has better resolution and small image file size, still raster images are used widely in development of web pages. Why ? Discuss the advantages of LCD monitor over CRT monitor. What is an authoring metaphor?