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
Answer:A
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.