Computer Graphics Chapter 5

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Questions and Answers

Which of the following is NOT a use of text in multimedia?

  • Menus
  • Captions
  • Title/Heading
  • Main focus (correct)

What does 'font' refer to in the context of multimedia?

  • A collection of characters of a single size & style (correct)
  • The color of text
  • The style of graphics used
  • The alignment of text

Which alignment means that text is equally spaced along the left and right margins?

  • Justified alignment (correct)
  • Center alignment
  • Right alignment
  • Left alignment

What do graphics primarily serve in multimedia?

<p>To convey messages more attractively &amp; effectively (D)</p> Signup and view all the answers

Which of the following is an example of a graphic used in multimedia?

<p>A photograph or a drawing (C)</p> Signup and view all the answers

Which of the following best describes the purpose of captions in multimedia?

<p>To provide context or explanation to visuals (C)</p> Signup and view all the answers

What is an example of font style?

<p>Bold (A)</p> Signup and view all the answers

Which option represents digital non-text information in multimedia?

<p>Graphs and photographs (B)</p> Signup and view all the answers

What does the term 'Multimedia' encompass?

<p>A combination of various forms of information content (B)</p> Signup and view all the answers

Which of the following is NOT considered a basic element of multimedia?

<p>Coding Languages (D)</p> Signup and view all the answers

Which category does text in multimedia mainly focus on?

<p>Characters, numbers, and special symbols (B)</p> Signup and view all the answers

What is a key distinguishing feature between 2D and 3D animations?

<p>2D animations typically involve height and width, while 3D includes depth (C)</p> Signup and view all the answers

How are multimedia elements typically delivered to users?

<p>Interactively via electronic or digitally manipulated means (C)</p> Signup and view all the answers

What does the 'graphic' element in multimedia usually refer to?

<p>Visual representations such as images and illustrations (A)</p> Signup and view all the answers

Which of the following best describes 'Interactive Multimedia'?

<p>Media that requires active participation and user input (D)</p> Signup and view all the answers

Which of the following elements can be categorized as a type of multimedia?

<p>Animation and sound combined (C)</p> Signup and view all the answers

What primary function does audio serve in multimedia?

<p>To attract attention and convey ideas (B)</p> Signup and view all the answers

Which of the following is NOT a form of audio used in multimedia?

<p>Images (A)</p> Signup and view all the answers

What is animation primarily used for in multimedia?

<p>To visualize complex ideas and enhance user experience (A)</p> Signup and view all the answers

2D animation is characterized by which of the following aspects?

<p>Movement on the x-y axes only (B)</p> Signup and view all the answers

Which statement accurately describes the nature of traditional 2D animation?

<p>It was originally hand-drawn but can now be computer generated (C)</p> Signup and view all the answers

What is the main advantage of using animation in multimedia?

<p>To make static presentations dynamic and understandable (C)</p> Signup and view all the answers

How do 2D animations generally differ from 3D animations?

<p>3D animations can depict movement more effectively (D)</p> Signup and view all the answers

In the context of multimedia, what does the animation process involve?

<p>Displaying a series of graphical images to simulate movement (A)</p> Signup and view all the answers

What does 3D stand for in 3D animation?

<p>Three dimensions (C)</p> Signup and view all the answers

Which of the following techniques is a method used in 3D animation?

<p>Morph target animation (D)</p> Signup and view all the answers

Which characteristic distinguishes 2D animation from 3D animation?

<p>Flat image representation (A)</p> Signup and view all the answers

What is the primary purpose of motion capture in 3D animation?

<p>To blend real life with digital animation (A)</p> Signup and view all the answers

In skeletal animation, what does the hierarchical set of interconnected parts represent?

<p>The movement and structure of the character (A)</p> Signup and view all the answers

What is a key advantage of 3D animation over 2D animation?

<p>More realistic environments and characters (D)</p> Signup and view all the answers

What characteristic of multimedia products requires an ongoing user engagement?

<p>Constant feedback and interaction (B)</p> Signup and view all the answers

Which of the following is not mentioned as a characteristic of 3D animation?

<p>Use of onion tool kits (C)</p> Signup and view all the answers

Which of the following options is an example of 3D animation in Malaysia?

<p>Ejen Ali (D)</p> Signup and view all the answers

Which of the following is NOT considered a multimedia product in public places?

<p>Video on Demand (C)</p> Signup and view all the answers

What is a common feature of banking kiosks found in public places?

<p>Allow for transactions like money deposits (D)</p> Signup and view all the answers

Which statement accurately describes the application of multimedia in entertainment and games?

<p>It offers online play for multi-user experiences. (D)</p> Signup and view all the answers

What is a primary characteristic of 2D animation compared to 3D animation?

<p>It consists of frames without realistic features. (B)</p> Signup and view all the answers

What advantage does multimedia provide over traditional audio-video presentations?

<p>Gains and holds attention (D)</p> Signup and view all the answers

Which of the following statements about 3D animation is true?

<p>3D animation incorporates lighting and textures. (D)</p> Signup and view all the answers

What is a disadvantage of 3D animation compared to 2D animation?

<p>It is generally more expensive and time-consuming to produce. (C)</p> Signup and view all the answers

Which option describes video in relation to animation?

<p>It tends to have higher storage requirements. (D)</p> Signup and view all the answers

Which multimedia element can be used to enhance user experience by creating a sense of realism?

<p>Video (B)</p> Signup and view all the answers

What purpose does video serve in multimedia projects?

<p>It helps in promoting television shows and films. (A)</p> Signup and view all the answers

What roles do authoring tools play in multimedia?

<p>They merge multimedia elements into a unified project. (D)</p> Signup and view all the answers

Which of the following is a benefit of using 3D animation?

<p>It provides a more engaging visual experience. (D)</p> Signup and view all the answers

Flashcards

Multimedia

A combination of text, graphics, audio, animation, and video presented interactively through electronic or digital means.

Text in Multimedia

Written words used for communication and conveying information in multimedia applications.

Elements of Multimedia

The components (text, graphics, audio, video, animation) used to create multimedia experiences.

Graphic (Multimedia)

Visual elements like images, illustrations, and diagrams used in multimedia.

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Text Types

Alphabets, numbers, and special characters used to create written communication in multimedia applications.

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Audio (Multimedia)

Sounds or music used to enhance multimedia experiences.

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Video (Multimedia)

Moving images used in multimedia to create dynamic experiences.

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Animation (Multimedia)

Sequence of images or drawings used to create dynamic visuals in multimedia.

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Multimedia Element: Text

Text in multimedia projects, used for titles, descriptions, labels, or navigation.

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Multimedia Element: Graphic

Visuals like drawings, images, or photos, used to enrich and clarify content.

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Multimedia Element: Video

Moving images and sound used to show actions or processes.

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Multimedia Element: Audio

Sound or music used to enhance the experience.

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Font

A set of characters in a specific size and style.

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Font Styles

Variations of a font, like bold, italic, or underline.

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Graphic Use

Graphics provide visual interest, logos, objects or main focus, like icons or symbols.

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Text Alignment

How text is positioned on a screen, left, right, centered or justified.

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Immersive Multimedia

Multimedia experiences that draw the user in and make them feel like they're part of the content.

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Interactive Multimedia

Multimedia that allows users to interact with the content, making choices or controlling the experience.

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Multimedia for Public Places

Multimedia used in public spaces to provide information, entertainment, or facilitate transactions.

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Advantages of Multimedia

Benefits of using multimedia include ease of use, attention-grabbing capabilities, improved presentations, and entertainment value.

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Examples of Multimedia Entertainment

Examples of multimedia entertainment include video games, movies, and video-on-demand services.

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2D Animation vs. 3D Animation

2D animation uses flat images, while 3D animation uses realistic 3D models.

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Realistic Appeal

3D animation has more realistic appeal because it uses depth and textures, making it look more lifelike.

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Production Cost

2D animation is generally cheaper and faster to produce than 3D, which requires specialized software.

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Video in Multimedia

Video refers to moving images with sound, like a TV show.

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Video vs. Animation

Video captures real-life footage, while animation is created frame-by-frame.

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Video Uses

Videos are used for things like promoting movies, showing product demos, and conveying personality.

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Video Storage

Videos take up a lot of storage space, so use them wisely.

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Video's Role

Video connects users to the real world, grabs attention, and evokes emotions.

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2D Animation

A type of animation where all motion happens on a flat plane, like a drawing on paper. Think of it as characters moving only left, right, up, and down.

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3D Animation

Animation with depth and perspective. It involves creating objects that look like they could exist in the real world, with a sense of volume and space.

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Types of Audio

Audio in multimedia comes in two forms: speech and music. Speech can be used for narration or instructions, while music can create a mood or emphasize something.

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Why Use Audio?

Using audio in multimedia is effective because it can grab attention, convey ideas clearly, stir up emotions, and add a dramatic element to the presentation. It can make things more real.

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Animation's Purpose

Animation brings life to static images. It helps simplify and explain complex concepts, making them easier to understand. It can also make presentations more engaging and entertaining.

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Animation Example

Animation is used in multimedia to create visuals that look like they are moving, like characters walking or objects changing shape. A common example is a cartoon.

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2D Animation Example

Traditional hand-drawn cartoons are an example, but it can also be done on computers. It's used in video games, movies, and presentations.

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3D Animation Example

Think of modern video games like Minecraft or realistic computer-generated characters in films.

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Cel-Shading

A 3D animation technique that mimics the look of traditional hand-drawn animation, using flat colors, hard edges, and bold lines.

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Morph Target Animation

A technique where animators create different shapes of an object (targets) to create smoother and more natural transitions, particularly useful for facial expressions.

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Skeletal Animation

A 3D animation technique where a skeleton structure is used to control the movement of a character or object. Digital bones are attached to the mesh to manipulate its movement.

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Motion Capture

A technology that uses real-life actors' movements to create realistic animation in 3D. Sensors are attached to actors who perform actions, which are then digitally captured and applied to virtual characters.

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BOBOIBOY Movie

A Malaysian 3D animated movie featuring Boboiboy and his superhero friends, showcasing the advancements of 3D animation in the country.

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UPIN & IPIN THE MOVIE

Another popular Malaysian 3D animated movie, featuring the comedic twins Upin and Ipin, showcasing the growth of 3D animation in Malaysia.

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Study Notes

Computer Graphics Chapter 5

  • This chapter covers computer graphics.
  • The table of contents includes topics such as multimedia, elements of multimedia, graphics, types of graphics, multimedia interaction, linear vs. non-linear, authoring tools, multimedia importance, and multimedia products.
  • Further topics discussed include 2D and 3D animation, differentiating between the two, and examples of each.

What is Multimedia?

  • Multimedia is derived from "multi" and "media."
  • "Multi" means many or multiple.
  • "Media" refers to multiple forms of distribution tools and information presentation (text, graphic, voice, images, music).
  • Multimedia utilizes multiple information content types for efficient presentation.

Definition of Multimedia

  • Multimedia combines text, graphics, audio, animation, and video delivered interactively.
  • It involves electronic or digitally manipulated means, where various elements work together to enrich the user's experience.

Elements of Multimedia

  • Text: The foundation of multimedia, containing words used in written communication, including titles, headings, captions, labels, content, menus, and navigation.
  • Graphic: Digital representations of non-text information (drawings, charts, photographs), used to convey messages clearly and effectively in multimedia presentations, examples include diagrams, pictures, logos, and more.
  • Audio: Created by vibrations, perceived by the hearing sense, used in multimedia to attract attention, convey ideas, evoke emotions, or dramatize points. It includes narration, instructions, sound effects, and background music.
  • Animation: A process of making static images appear to move, simulating the illusion of motion using sequential graphics. It enhances user understanding and enriches the user experience with multimedia. There are two main types of animation: 2D (two-dimensional) and 3D (three-dimensional).
  • Video: Moving pictures with sound, commonly used to portray realistic visuals (e.g., photo-realistic sequences). It also conveys messages and ideas vividly. Video components are substantial and require careful planning for storage purposes.

Types of Graphics

  • Vector Graphics: Represent images through geometric shapes and mathematical equations. Vector graphics file sizes are typically smaller than bitmap graphics.
  • Bitmap Graphics: Represent images by a grid of dots called pixels and typically have a larger file size.

Authoring Tools

  • Tools used to merge multimedia elements (text, audio, graphics, animation, and video) into a complete project.
  • Software is designed to manage individual components and support user interactions.
  • Examples include Adobe After Effects, Adobe Flash Professional, Toon Boom, Anime Studio (2D animation). Autodesk 3Ds Max, Autodesk Maya, Cinema 4D, ZBrush, and Blender (3D animation).

Types of Multimedia Presentations

  • Linear: A multimedia project presented in a sequential manner, with no user control over the flow. Examples include movies, non-interactive presentations, and demonstrations.
  • Nonlinear: A multimedia project allows user interaction and control over the content presentation, offering navigational options. This often involves hyperlinks, allowing the user to navigate to different sections or resources. Examples include games, courseware, and interactive CDs.

Interactive Multimedia

  • Multimedia becomes interactive when users have the option to control the elements of a presentation.
  • Hypermedia is a non-linear type of computer-based experience that blends hypertext, plain text, graphics, audio, video, and hyperlinks, enabling user navigation and interaction.
  • Hypertext is a simplified text format with embedded hyperlinks, routing users to other locations on a network.
  • Hyperlinks are connections (URLs) that allow users to move between computer resources like web pages.

Multimedia Products

  • Multimedia finds applications in various sectors, including:
    • Business: Used for creating presentations, company profiles, promotional marketing materials, and product demonstrations.
    • Education: Used for creating e-learning materials, simulations, and textbooks (e-books).
    • Entertainment: Used for creating games, movies on demand, and other entertainment media.
    • Public Places: Used for digital billboards, interactive kiosks, and similar applications.

Advantages of Multimedia

  • Ease of use
  • Gains and holds attention
  • Improvement in traditional methods
  • Entertaining and educational
  • Trendy

Class Activity

  • Students work in groups (6-8 people)
  • They select an animation/cartoon/movie/advertising program
  • They create a mind map detailing the elements of multimedia in the chosen program.

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