Consider the following characteristics of a robot:
1. The tip of the robot arm moves from one point to another with its in between path on being defined.
2. It can be used for drilling holes at different points in a work piece.
3. It can be used for V butt joint welding between two points.
4. The memory capacity required for its control unit is low.
Which of these are the characteristics associated with a point to point robot?
(a) 1 and 2 (b) 1,3 and 4
(c) 1,2 and 4 (d) 2,3 and 4