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1. The component of interactive computer graphics are
a. A light pen
b. Display unit
c. Bank of switches
d. All of these
Discuss
Answer: (d).All of these

2. Pen or inkjet plotters use the following devices
a. Drum
b. Flat bed
c. Both a & b
d. None of these
Discuss
Answer: (c).Both a & b

3. __________ allows screen positions to be selected with the touch of a finger.
a. Touch panels
b. Image scanner
c. Light pen
d. Mouse
Discuss
Answer: (a).Touch panels

4. What is the disadvantage of the light pen?
a. It’s shape
b. They cannot detect positions
c. Accurate reading
d. Cannot detect positions within black areas
Discuss
Answer: (d).Cannot detect positions within black areas

5. ________ is used in graphics workstation as input devices to accept voice commands.
a. Touch panels
b. Speech recognizers
c. Both a and b
d. None of the above
Discuss
Answer: (b).Speech recognizers

6. When a voice command is given, the system searches the _____________for a frequency-pattern match.
a. Memory
b. Input data
c. Dictionary
d. Hard disk
Discuss
Answer: (c).Dictionary

7. The device which is designed to minimize the background sound is
a. Microphone
b. Digitizers
c. Data glove
d. Joy stick
Discuss
Answer: (a).Microphone

8. Which of the following device is not the input device?
a. Trackball and space ball
b. Data glove
c. Touch screen
d. Impact printers
Discuss
Answer: (d).Impact printers

9. Which device contains thumbwheel, trackball and a standard mouse ball?
a. Z mouse
b. Joystick
c. Mouse
d. Trackball
Discuss
Answer: (a).Z mouse

10. Virtual reality, CAD, and animations are the application of
a. Z mouse
b. Digitizers
c. Data tablets
d. Image scanners
Discuss
Answer: (a).Z mouse

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