Computer Graphics Questions & Answers – Input Devices – 1

1. The most commonly used input device is
a) Mouse
b) Keyboard
c) Scanner
d) Printer
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2. Which keys allows user to enter frequently used operations in a single key stroke?
a) Function keys
b) Cursor control keys
c) Trackball
d) Control keys
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3. ________ are used to measure dial rotations.
a) Potentiometers
b) Volta meter
c) Parameter
d) Only a
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4. The device which is used to position the screen cursor is
a) Mouse
b) Joystick
c) Data glove
d) Both a and c
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5. _________ is used for detecting mouse motion.
a) Optical sensor
b) Rollers on the bottom of mouse
c) Both a and b
d) Sensor
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6. Trackball is
a) Two-dimensional positioning device
b) Three- dimensional positioning device
c) Pointing device
d) None of the mentioned
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7. Space ball provide________ degree of freedom.
a) 10 degree
b) 6 degree
c) 8 degree
d) 12 degree
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8. Which is the ball that can be rotated with the fingers or palm of the hand?
a) Space ball
b) Trackball
c) Only a
d) Both b and c
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9. ________ is used for 3D positioning and modeling, animation and other application.
a) Space ball
b) Trackball
c) Spac ball
d) All of the mentioned
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10. Potentiometers mounted at the base of the joystick measures
a) The amount of movement
b) The direction
c) Position
d) Resolution
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11. Pressure-sensitive joysticks are also called
a) Non movable stick
b) Joystick
c) Isometric joystick
d) None of the mentioned
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12. Which is the device that is constructed with the series of sensors that detects hand and finger motion?
a) Digitizers
b) Data glove
c) Joystick
d) Track ball
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13. A common device for drawing, painting, or interactively selecting coordinate positions on an object is a
a) Image scanner
b) Digitizers
c) Data glove
d) Touch panels
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14. Which device is used to input two-dimensional coordinates by activating a hand cursor on a flat surface?
a) Graphic tablet
b) Data tablet
c) Only b
d) Both a and b
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15. ___________ can be used to determine the position on the data tablet.
a) Strip microphones
b) Signal strength
c) Coded pulse
d) Either Signal strength or coded pulse
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Sanfoundry Global Education & Learning Series – Computer Graphics.

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