Computer Graphics

11. ____________ refers to the common elements of graphics scenes ,often used in graphics package as primitive components

1. Quadric surfaces
2. Wire frame model
3. Composite transformation
4. None of these

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12. ____________ refers to the result obtained by multiplying the matrix of the individual transformation representation sequences

1. Wire frame model
2. Constructive solid geometry methods
3. Composite transformation
4. None of these

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13. A plotter is capable of

1. Printing a map
2. Printing a similar images
3. Both a & b
4. None of these

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14. Pen or inkjet plotters use the following devices

1. Drum
2. Flat bed
3. Both a & b
4. None of these

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15. A 16*16array of black and white pixels could be represented by ____________

1. 64bytes
2. 32bytes
3. 128bytes
4. 96bytes

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16. A A joystick is a

1. Graphics input device
2. Graphics output device
3. Both a & b
4. None of these

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17. A A wireless mouse works on

1. Infra blue radiation
2. Infra red radiation
3. Infra green radiation
4. None of these

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18. A basic interactive picture construction technique are

1. Positioning and pointing, constraints
2. Grid, gravity field, rubber band method
3. Sketching, dragging, inking and painting
4. All of these

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19. A Bezier curve is a polynomial of degree ____________ the no of control points used

1. One more than
2. One less than
3. Two less than
4. None of these

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20. A composite transformation matrix can be made by determining the ____________ of matrix of the individual transformation

1. Addition
2. Subtraction
3. Product
4. None of these

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