When a new process is created, if the need arises to have the process wait for a certain amount of time, the $\_\_\_\_\_\_$ command is issued. If the process must wait for a specific incident to occur, the $\_\_\_\_\_$ command is issued.

When a new process is created, if the need arises to have the process wait for a certain amount of time, the $\_\_\_\_\_\_$ command is issued. If the process must wait for a specific incident to occur, the $\_\_\_\_\_$ command is issued.

load$\_$time$(),$ wait$()$

wait$\_$inc$(),$ signal$\_$event$()$

wait$\_$time$(),$ wait$\_$event$()$

signal$\_$event$(),$ wait$\_$exec$()$