Question 4
(a)  (i)   Define computer Graphics.
        (ii)   List two applications of computer graphics in advertising.
        (b)   Give one use of the following  computer graphic application tools:
  (i)Interactive Fill Tool;
              (ii)  Texture Fill Tool;
        (iii)   Envelope Tool;
  (iv)  Extrude Tool.
        (c)  Name one fill Tool in computer graphic application which is needed to:
        (i)  Create a background that is faded from light  blue to white;
        (ii)   Fill an object with two colours that blend from one to another.
    
Observation
The question tested candidates’ knowledge on computer graphics.
The expected answer is:
Computer graphics
(i) Computer graphics are pictures and images/films created using computers. It refers to computer generated image data created with help from specialized graphical hardware and software.
OR 
    Computer Graphics  is the creation of pictures/images/films with the help of a computer. 
OR
Computer graphics is the creation, manipulation and storage of geometric objects (modeling) and their images (rendering).
OR
    Computer  graphics is an art of drawing pictures, lines, charts and other graphical  images with the help of installed specialized programs on a computer/ applications  on a computer.
    OR
Computer  graphics are made up of number of pixels which are the smallest  graphical picture or unit represented on the computer screen. 
    OR
  Computer  graphics refers to the representation and manipulation of image data by a  computer
OR
    Computer  graphics is the various technologies used to create and manipulate images in the form of  pixels drawn on the computer /methods for digitally synthesizing and  manipulating visual content.
(ii) Specific application areas of graphics in advertising:
- Animation/ Motion picture
 - Business card
 - Branding
 - Billboards
 - Flex creation
 - Posters
 - Modelling/Design
 - Digital marketing
 - Pitching for project
 - Print media ads
 - TV commercials
 - Banner
 - Logo design
 - Letter-head
 - Presentation
 - Postcards
 - Info graphics
 - Brochures
 - Vehicle wraps
 - Signature and trade show display
 - Email marketing templates
 
(b)Computer graphic application tools
(i) Interactive fill Tool is used to create a fill dynamically by using markers in the drawing window and property bar to change the angle, midpoint and colour of an object/image.
OR
    Interactive fill tool allows you to  add the same fills to objects as the normal fill tool, but in an  interactive way by setting the interactive properties. This is especially  useful for fountain fills.
    OR
  Interactive fill tool is used to apply two colour effect on items
    OR
  Interactive fill tool is used to apply fountain fills (gradients)
(ii)Texture Fill is used to apply preset texture fills to objects in order to create the illusion of variety of textures such as water, clouds and stone.
OR
    Texture  Fill is used to give an  object natural appearance
    OR
    Texture  Fill is used to apply  fractal fill 
(iii)Envelope tool lets you shape an object by dragging the nodes or the points around the envelope.
OR
    Envelope tool is used to change the shape of an object by  applying and dragging the nodes of an envelope.
    OR
    Envelope tool allows the user to distort the shape of an object or  group of objects
(iv)Extrude tool lets the user apply the illusion of depth to objects.
OR
    Extrude tool is used to projects  surfaces from an object to give it a 3-dimensional shadow/appearance
            OR
    Extrude tool is used to apply 3D effect to objects in order to create the illusion of  depth
            OR
    Extrude tool is used to apply 3D modelling
            OR
            Extrude tool is used to duplicate  properties such as points, lines and polygon
(c)Tools that are used to create a background that is faded from light blue to white:
(i)create background faded from light blue to white;
- Interactive tool
 - Fountain fill tool
 - Transparency tool
 
(ii)Tools that are used to fill an object with two colours that blend from one to another;
- Interactive tool
 - Fountain fill tool
 - Two colour pattern fill
 
It was reported that most of the candidates who attempted this question showed poor knowledge on computer graphics.