1. Trackball is
a) Two-dimensional positioning device
b) Three- dimensional positioning device
c) Pointing device
d) None of the mentioned
Explanation: Trackball is two-dimensional positioning device.
2. Space ball provide________ degree of freedom.
a) 10 degree
b) 6 degree
c) 8 degree
d) 12 degree
Explanation: Space ball provide 6 degree of freedom.
3. 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
Explanation: Trackball is a ball that can be rotated with the fingers or palm of the hand.
4. ________ is used for 3D positioning and modeling, animation and other application.
a) Space ball
b) Trackball
c) Spac ball
d) All of the mentioned
Explanation: Space ball is a 3D positioning device.
5. Potentiometers mounted at the base of the joystick measures
a) The amount of movement
b) The direction
c) Position
d) Resolution
Explanation: Potentiometers mounted at the base of the joystick measures the amount of movement.
6. Pressure-sensitive joysticks are also called
a) Non movable stick
b) Joystick
c) Isometric joystick
d) None of the mentioned
Explanation: Isometric joystick
7. 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
Explanation: Data glove senses, detects hand and finger motion.
8. 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
Explanation: Digitizers can be used for drawing, painting and selecting positions.
9. 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
Explanation: Graphic tablet are also called data tablet.
10. ___________ 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
Explanation: Either Signal strength or coded pulse determine the position on the data tablet.