Saturday 16 May 2020

Solved : July 2018 INTRODUCTION TO MULTIMEDIA

Solved : NIELIT (O-Level) July 2018  INTRODUCTION TO MULTIMEDIA

1.Each question below gives multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein.
 (1x10)

1.1 : A page or site on the World Wide Web, where you can weave the elements of multimedia into documents with _________.
A) HTML B) DHTML
C) XML D) All of the above
Answer


1.2 : Which of the following is a collection of characters of a single size and style belonging to a particular typeface family?
A) typeface B) font
C) styles D) attributes
Answer

1.3 : JPEG compression technique is
A) Lossy B) Lossless
C) Run Length Encoding D) None of the above
Answer

1.4 : Which of the following is a process whereby the color value of each pixel is changed to the closest matching color value in the target palette, using a mathematical algorithm?
A) morphing B) stretching
C) dithering D) antialiasing
Answer

1.5 : To make MIDI scores, which of the following software(s) are needed?
A) Notation Softwares B) Sequencer Softwares
C) Sound Synthesizers D) All of the above
Answer

1.6 : Which of the following is the study of the movement and motion of structures that have joints, such as a walking man?
A) Kinematics B) Morphing
C) Stretching D) Streaming
Answer

1.7 : HDTV provides high resolution in a
A) 16:9 aspect ratio B) 4:3 aspect ratio
C) 3:2 aspect ratio D) 2:1 aspect ratio
Answer

1.8 : CRT Screens draw each frame in two passes. This process is known as:
A) Progressive Scan B) Over Scan
C) Interlacing D) Compositing
Answer

1.9 : A barcode reader can:
A) scan graphics into a computer
B) read Universal Product Code patterns
C) provide pressure-sensitive input
D) recognize spoken words when trained
Answer

1.10 : How many different colors is a 8-bit image capable of representing?
A) 2 B) 16
C) 256 D) 65,536
Answer

2. Each statement below is either TRUE or FALSE. Choose the most appropriate one and enter your choice in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)

2.1 Multimedia presentations can be nonlinear (interactive) or linear (passive).
2.2 White space is a designer’s term for roomy blank areas, while programmers call the invisible character.
2.3 Using Illustrator or Corel Draw, you can create mainly raster type of graphics.
2.4 Because of the file size advantage, web pages that use vector graphics as SVG files or in plug-ins such as Flash which download faster and, when used for animation, draw faster than pages displaying bitmaps.
2.5 MP3 incorporates a “lossless” compression algorithm to save space.
2.6 The smaller the object in path-based 2-D animation, the slower it can move.
2.7 Chroma keys allow you to choose a color or range of colors that become transparent, allowing the video image to be seen “through” the computer image.
2.8 Word processors such as Microsoft Word and WordPerfect are powerful applications that include spell checkers, table formatters, thesauruses, and prebuilt templates for letters.
2.9 The more commands and functions provided in the scripting language, the more powerful the authoring system.
2.10 Content acquisition can be one of the less expensive and time-consuming tasks in organizing a multimedia project.

Answer


3. Match words and phrases in column X with the closest related meaning/ word(s)/phrase(s) in column Y. Enter your selection in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)

X
Y
3.1
Multimedia elements are typically seen together into a project using
A.
image maps
3.2
Use of Cascading Style Sheets (CSS), preferred over the deprecated HTML <font> tag, allows you to be quite precise about font
B.
key frames
3.3
Palettes are mathematical tables that define the color of a pixel displayed on
C.
audio data compression
3.4
Media players are designed to play files as soon as enough of the data is cached in your
D.
Framing
3.5
Cel animation artwork begins with
E.
Faces and sizes
3.6
The process of building a single frame from two fields is called interlacing, a technique that helps to prevent
F.
the screen
3.7
LiveCode from Runtime Revolution (www.runrev.com) and ToolBook (www.toolbook.org) are
G.
a button
3.8
If the hot spot is a graphic image designed to look like a push button or toggle switch, it is called
H.
Card-Based Authoring Tools
3.9
Speech encoding is an important category of
I.
computer’s buffer
3.10
Larger images may be sectioned into hot areas with associated links; these are called
J.
authoring tools


K.
animation


L.
flicker


M.
Color Palette


4. Each statement below has a blank space to fit one of the word(s) or phrase(s) in the list below. Choose the most appropriate option, enter your choice in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)

A.
Anti-aliasing
B.
Authoring tools
C.
Copyright protection
D.
Morphing
E.
a High-Definition Multimedia Interface (HDMI)
F.
Path animation
G.
Dots per inch
H.
bandwidth
I.
crossplatform
J.
Times new roman
K.
digital signal processing (DSP)
L.
clipboard
M.
Tweening





4.1 Multimedia requires large amounts of digital memory when stored in an end user’s library, or large amounts of ________ when distributed over wires, glass fiber, or airwaves on a network.
4.2 ________ blends the colors along the edges of the letters (called dithering) to create a soft transition between the letter and its background.
4.3 Operating systems have a ________ where data such as text and images is temporarily stored when you cut or copy them within an application.
4.4 Some programs allow you to process the signal with reverberation, multitap delay, chorus, flange, and other special effects using ________ routines.
4.5 ________ in 2-D space increases the complexity of an animation and provides motion, changing the location of an image along a predetermined path (position) during a specified amount of time (speed).
4.6 Many television sets today also provide a composite signal connector, an S-Video connector, and ________ connector for purely digital input.
4.7 Failures in ________ compatibility can consume great amounts of time as you prepare for delivery by testing and developing workarounds and tweaks so your project performs properly in various target environments.
4.8 ________ are used for designing interactivity and the user interface, for presenting your project on screen, and for assembling diverse multimedia elements into a single, cohesive product.
4.9 ________ applies to “original works of authorship fixed in any tangible medium of expression.”
4.10 ________ creates in-between frames when you create the start and end frames of the animation.


PART TWO
(Answer any FOUR questions)

5.
a) Multimedia is an combination of text, art, sound, animation, and video delivered to you by computer or other electronic or digitally manipulated means. List and explain the applications of Multimedia.
b) What is The ASCII Character Set?
c) Fonts are perhaps the greatest crossplatform concern, because they must be mapped to the other machine. Explain Bitmap fonts.
(5+5+5)

6.
a) Discuss the differences among multimedia, interactive multimedia, hypertext, and hypermedia.
b) To develop the system of multimedia, various hardware/ software components are used. What are the hardware and software used in development of multimedia systems?
c) Dynamic HTML uses Cascading Style Sheets (CSS) to define choices ranging from line height to margin width to font face. Explain the Text Properties used in CSS.
(4+5+6)

7.
a) What is sound synthesis? What are the applications of sound synthesis?
b) MPEG is developed for the process of compressing and saving Video or Multimedia files (Video, Picture and sound) in high quality. How does MPEG-compression work?
c) Discuss how the computer monitor image differs from a television image. List the limitations in creating images on the computer destined for a television screen.
(3+6+6)

8.
a) Write down the certain steps to bring an audio recording into your multimedia project.
b) Compare and contrast JPG, TIFF, PNG, and GIF file types. How image file type is chosen?
(7+8)

9.
a) What is morphing? Write the applications of morphing.
b) Differentiate flash and HTML.
c) List and explain multimedia authoring tools.
(3+6+6)



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