Solved : NIELIT (O-Level) July 2017 INTRODUCTION TO MULTIMEDIA
1.Each question below gives a multiple choice of answers. Choose the most appropriate one with the question paper, following instructions therein. (1x10)
1.1 :Some DVDs have a capacity up to four times that of others. They do this by:
A) using multiple layers
B) using a different type of laser
C) using narrower tracks
D) using data compression
Answer
Answer
1.2 : Multimedia in which a presentation continues from beginning to end is:
A) scripted B) linear
C) hypermedia D) hierarchical
1.3 : What does DPI stand for?
A) Dots Per Inch
B) Design Parameter Instance
C) Digital Process Interaction
D) Decimal Point Index
1.4 : The process of creating an image from the mathematical representation of a 3-D model is called:
A) post-processing B) dithering
C) rendering D) morphing
1.5 : When sound is digitized, the frequency with which a section of sound is taken and stored is known as the:
A) resolution B) bit depth
C) sample size D) sampling rate
1.6 : SVG stands for:
A) Simple Visual Graphics
B) Standard Video Graphics
C) Serial Viewable Graphics
D) Scalable Vector Graphics
1.7 : A broadcast video image is larger than will fit on a standard TV screen. This is called:
A) overscan B) matte
C) safe-title area D) tracking
1.8 : CRT screens draw each frame in two passes. This process is known as:
A) progressive scan B) overscan
C) interlacing D) compositing
1.9 : Programs that do things beyond the capability of the authoring and presentation suite are called:
A) inclusions B) enhancements
C) extensions D) patches
1.10 : ________ created the World Wide Web, the URL
scheme, HTML and HTTP
A) Bill Gates B) Andy Grove
C) Jeff Bezos D) Tim Berners-Lee
2.Each statement below is either TRUE or FALSE. Choose the most appropriate one and enter sheet supplied with the question paper, following instructions therein. (1x10)
2.1 Clipping is when the level of a signal exceeds the recorder's maximum recording level
2.2 Rasterizing The process of converting a mathematical representation of a letter to the screen or printed output.
2.3 In 3-D applications, basic geometric shapes such as blocks, cylinders, spheres, and cones are called planars.
2.4 The density of pixels on a screen is known as pixel depth.
2.5 The K in CMYK stands for Kinetic.
2.6 Processing an audio signal to modify its frequency called quantization.
2.7 The process of adjusting the volume of a sound to bring it to a standard level is called normalization.
2.8 Codec can be hardware-based, software-based, or both.
2.9 Path animation allow the animator to create a trail between two points and then animate an object along that trail.
2.10 Changing attribute such as x or y location changes during a tween is called morphing.
Answer
3. Match words and phrases in column X with the closest related meaning/ word(s)/phrase(s) in following instructions therein. (1x10)
X
|
Y
|
||
3.1
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One million pixels
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A.
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Burning
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3.2
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Effect that change one image into another
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B.
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Sprite
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3.3
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Enables the designer to develop independent animated images
that can then be combined in a larger animation
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C.
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Gamma Correction
|
3.4
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The process of copying files to a CD is known as
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D.
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Megapixel
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3.5
|
Software that stores lines and shapes rather than individual
pixels is known as
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E.
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Morphing
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3.6
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Previously drawn images that artist can legally use in their own
work
|
F.
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Resolution
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3.7
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The quality of an image as measured by its height and
width in pixels.
|
G.
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Modern Picture Expert Group
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3.8
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Expanding a file into its original form
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H.
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Vector Graphics
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3.9
|
Involves the use of live humans as stop motion characters
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I.
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Multimedia
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3.10
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Altering the Output Level of the Computer Monitor
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J.
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Decompressing
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K.
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Mass Media
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L.
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Pixilation
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M.
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Clipart
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||
Answer
A.
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Graphic Suite
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B.
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Authoring
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C.
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Lossless
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D.
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Digital Audio Tape
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E.
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Cell Animation
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F.
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3D Modelling
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G.
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Bitmap
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H.
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MIDI
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I.
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Sound/Music/Audio File
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J.
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Producer
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K.
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Digital Access Tape
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L.
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streaming
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M.
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2D Modeling
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4.1 2D Animation is also referred as ________.
4.2 ________ tools are used to merge multimedia elements into a project.
4.3 DAT is an acronym for ________.
4.4 A collection of graphics programs and supporting data files is called a ________.
4.5 When using a(n) ________ compression system, a file can be compressed and decompressed without loss
of data.
4.6 A(n) ________ graphic is composed of a grid of dots.
4.7 ________Software is use to draw,rotate,stretch and combine model objects inside a complex " Walk though " Environment
.
4.8 The free add-on program for PowerPoint called ________ lets users publish video presentations to the Web
or CD/DVD.
4.9 Music played on a computer but never downloaded is known as ________.
4.10 ________ commands can be interpreted by a variety of music synthesizers.
Answer
PART TWO
(Answer any FOUR questions)
5.
a) Define Multimedia. Explain the components of Multimedia.
b) Explain in brief the following:
i) What is meant by the terms Multimedia and Hypermedia? Distinguish between these two concepts.
ii) What is meant by the terms static media and dynamic media? Give two examples of each type of media.
c) Describe the differences between 2-D and 3-D animation.
(6+6+3)
6.
a) Explain Dynamic range correction and Gamma correction.
b) Why is data compression necessary for Multimedia activities? What is the distinction between lossless and lossy compression?
c) What does White Balance mean?
(6+6+3)
7.
a) Describe what MIDI is, explain components of MIDI.
b) What is Sound Synthesis? What are the applications of Sound Synthesis?
c) Explain in brief the following:
i) Dithering
ii) Tweening
(6+3+6)
8.
a) Write the difference between a guide layer and a mask layer.
b) What is MPEG standard? What are the roles of
I_, B_ and P_ frames in MPEG encoding?
c) Define the following terms with respect to a video:
i) Flicker
ii) Anti aliasing
(3+6+6)
9.
a) Explain Image Editing and describe various Image Editing Tools.
b) What is Flash? What are the advantages and disadvantages of using Flash?
c) What is a multimedia authoring tool and explain different types of authoring tools?
(3+6+6)
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