Solved : NIELIT (O-Level) January, 2017 INTRODUCTION TO MULTIMEDIA
1. Each question below gives a multiple choice of answers. Choose the most answer sheet supplied with the question paper, following instructions therein. (1x10)
1.2 : Designed to create a particular look, a _____ contains color schemes, slide and title masters with custom formatting and fonts styles.
A) template
B) presentation
C) slide
D) background
1.3 : Zipping a file means
A) encrypting it
B) decrypting it
C) compressing it
D) transmitting it
1.4 : What is Animation?
A) A cartoon
B) The apparent movement of an object
C) A file format
D) All of the above
1.5 : A smaller version of an image is called a
A) Clipart
B) Bitmap
C) Portable network graphic
D) Thumbnail
1.6 : A multimedia project is said to be ____ and user-interactive when users are given navigational control.
A) Hypertext
B) Linear
C) Non-linear
D) Plug-in
1.7 : Which of the following statements about output is incorrect?
A) Displaying information on screen is an example of output
B) Output is always printed out on paper
C) Output from some ICT systems could be sound
D) It is possible for the output from one ICT system to be used as the input for a different ICT system
1.8 : The effect used to introduce each slide in a slide presentation is called?
A) Animation
B) Bulleting
C) Transition
D) Mapping
1.9 : Bitmapped images can be converted into vector-based outlines in a drawing or painting package with the _______ feature.
A) Autotrace
B) Eyedropper tool
C) Lathe and Extrude
D) Thesaurus
1.10 : Which of the following is not a color specification format?
A) RGB
B) BSB
C) GIF
D) CMYK
2. Each statement below is either TRUE or FALSE. Choose the most appropriate one sheet supplied with the question paper, following instructions therein. (1x10)
2.1 Tweening is the process of animating an object over a line or path that can be straight, jagged or curved.
2.2 MIDI is used by the multimedia computer to produce the music.
2.3 RGB stands for Red, Green and Blue.
2.4 PNG is a standard used for compression of audio in multimedia.
2.5 MPEG are audio file standards used in multimedia.
2.6 Using Corel Draw you can create raster type of graphics
2.7 Morphing and Warping are two special effects which can be performed with bit mapped images only.
2.8 The file size of bitmap images is similar to the file size for vector images.
2.9 XML allows creation of custom HTML tags and importing of data from anywhere on the web.
3. Match words and phrases in column X with the closest related meaning/ word(s)/phrase(s) in column Y. Enter your selection in following instructions therein. (1x10)
X
|
Y
|
||
3.1
|
Transforming an audio signal into a sound file
|
A.
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Streaming
|
3.2
|
Converts analog video signal from video tape into digital
data
|
B.
|
Morphing
|
3.3
|
Exclusive ownership of a created work
|
C.
|
Gray-scale
|
3.4
|
The process of copying files to a cd is known as
|
D.
|
Hsb
|
3.5
|
Used by engineers and designers to design products
|
E.
|
Copyright
|
3.6
|
Can combine clips into coherent scenes, splice together
scenes and insert transitions
|
F.
|
CAD
|
3.7
|
Running music, for example, in real-time
|
G.
|
Video digitizer
|
3.8
|
Changing and merging one computer image into another
|
H.
|
Sampling
|
3.9
|
Images displayed at the same time they are created or
imported
|
I.
|
Multimedia authoring software
|
3.10
|
Squeezing data into a smaller file
|
J.
|
Burning
|
K.
|
Real time
|
||
L.
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Wav
|
||
M.
|
Compression
|
||
Answer
4. Each statement below has a blank space to fit one of the word(s) or phrase(s) in the list below. the question paper, following instructions therein. (1x10)
A.
|
Virtual Reality
|
B.
|
CD-quality
|
C.
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Interlacing
|
D.
|
Integer
|
E.
|
Persistence of vision
|
F.
|
Morphing
|
G.
|
Decibel
|
H.
|
Descenders
|
I.
|
3-D modeling
|
J.
|
Flash
|
K.
|
Clip art
|
L.
|
MIDI
|
M.
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True Type
|
4.1 The space between lines of text is called .
4.2 When a video clip merges and transform into another image, it is known as _ .
4.3 A computer-generated environment that allows users to experience events that are not happening in real life is called _ _.
4.4 Sound pressure levels (loudness or volume) are measured in _ _.
4.5 In quantization, the value of each sample is rounded of to the nearest _ _.
4.6 Audio recorded at 44.1 kHz, 16-bit stereo is considered .
4.7 An object seen by the human eye remains chemically mapped on the retina for a brief time after viewing. This phenomenon is called _.
4.8 Television screens use a process of building a single frame from two fields to help prevent flicker on CRTs in a technique called .
4.9 _ software can rotate, stretch and combine images with other model objects.
4.10 Images that are available without copyright restrictions are called .
Answer
PART TWO
(Answer any FOUR questions)
5.
a) The primary characteristic of a multimedia system is the use of more than one kind of media to deliver content and functionality. List and explain the basic five elements of multimedia system.
b) What key issues or problems does a multimedia system have to deal with when handling multimedia data?
(8+7)
6.
a) Why is data compression desirable for multimedia activities? What is the distinction between lossy and lossless data compression?
b) What is meant by the world Hypermedia? How is it different from Multimedia?
c) What is meant by fonts? Differentiate between bitmap fonts and vector fonts.
(5+5+5)
7.
a) What is the relation between RGB and CMY Color Models?
b) Define MIDI. List its attribute.
c) What major factors affect the Quality of Service of a multimedia application?
(5+5+5)
8.
a) Explain briefly the following terms:
i) Compression Ratio
ii) Multimedia User Interface
iii) Animation
b) Explain the relevance of compression with respect to multimedia on Internet.
(9+6)
9.
a) What is frame by frame animation? What is meant by persistence of vision with respect to animation?
b) What is morphing? What is a multimedia authoring tool?
(10+5)
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