P6. in step 4 of the csma/ca protocol, a station that successfully transmits a frame begins the csma/ca protocol for a second frame at step 2, rather than at step 1. what rationale might the designers of csma/ca have had in mind by having such a station not transmit the second frame immediately (if the channel is sensed idle)?

What is force? what are the types of force ? explain all with suitable examples

Jasper and samantha are in a robotics competition. the guidelines state that the robots should be able to move a 10-gram weight at least 2 meters and turn in a circle. jasper and samantha have already built the robot. which step of the design process should they follow next to decide whether their robot meets the minimum criteria for the competition?

Who introduced the concept of combining artificial and natural light in the studio