Final answer:
1) A car that uses a variety of sensors to navigate like a traditional car but without human intervention. An autonomous car is a vehicle that uses sensors to navigate without human intervention.
Step-by-step explanation:
An autonomous car is a car that uses a variety of sensors to navigate like a traditional car but without human intervention. These sensors include cameras, radars, lidars, and GPS. The car's onboard computer processes the information from these sensors to make decisions on acceleration, braking, and steering. This technology allows the car to drive itself in various traffic and road conditions.