Computer Graphics Multiple Choice Questions and Answers for Practice

16. Generally, computer input in human computer interaction is

1. computer output
2. computer input
3. user input
4. user output

17. Orthographic projection represents three dimensional objects in

1. One dimension
2. Two dimension
3. Three dimension
4. All of the above

18. Personal computer become powerful during the late

1. 1960
2. 1970
3. 1980
4. 1950

19. Plasma panel have ............... resolution.

1. High
2. Good
3. Both a & b
4. Low

20. What is the disadvantage of the light pen?

1. Its shape
2. They cannot detect positions
3. Accurate reading
4. Cannot detect positions within black areas

21. A three dimensional object can also be represented using

1. Method
2. Equation
3. Point
4. None of these

22. In orthographic projection, the projection lines are ............... to the projection plane.

1. Parallel
2. Orthogonal
3. Inclined
4. Any of the above

23. Plasma device converts

1. Electrical energy into light
2. Light into electrical energy
3. Light into graphical energy
4. None of these

24. Three dimensional computer graphics become effective In the late

1. 1960
2. 1980
3. 1970
4. 1950

25. Visible section of an ear is called

1. inner ear
2. middle ear
3. medium ear
4. outer ear

26. What is another term to describe vector animation?

1. Vector
2. Path animation
3. Alpha
4. Animation

27. What is used in graphics workstation as input devices to accept voice commands.

1. Touch panels
2. Speech recognizers
3. Both a and b
4. None of the above

28. ............... is a rigid body transformation that moves objects without deformation.

1. Rotation
2. Scaling
3. Translation
4. All of the mentioned

29. In the term ortho-graphic, ‘orthos means

1. Drawing
2. Straight
3. Projection
4. View

30. Photoreceptors of eyes that are been saturated and active by sudden light are called

1. cones
2. lens
3. corneas
4. rods