QUESTION 15 Which of the following statements about context switch is true? O A. Independent process can affect the execution of another process O B. Cooperating process can not affect the execution of another process OC. Independent processes need interprocess communication OD.Cooperating processes need interprocess communication QUESTION 16 Which of the following statements about context switch is true? O A. Cooperating processes do not need interprocess communication O B.Cooperating processes cannot affect the execution of another process O C. Independent processes can affect the execution of another process OD. - Independent processes cannot affect the execution of another process QUESTION 17 Blocking Receive O A. is asynchronous O B. is synchronous C. has the sender send the message and continue. OD has the receiver receive a valid message or null