Which of the following statements is true for a robot?

1. It is a programmable machine.
2. It can execute specific tasks with little or no human intervention.
3. It can be used to replace human activities in near future.
4. All of the above

All of the above

Reason — Robots are referred to as programmable machines that can execute specific tasks with little or no human intervention. They are assumed to be vital devices which can be used to replace human and human activities in near future. Hence, all three statements are true for a robot.