1. (15 points) In the process state transition diagram (also shown below), there is no direct transition from the waiting state to the running state. Why not? new admitted interrupt exit terminated ready running scheduler dispatch/vo or event wait I/O or event completion waiting 2. (15 points) Describe the actions taken by operating systems to perform a context-switch between processes. 3. (15 points) What are the benefits and disadvantages of each of the following? Consider both the system level and programmer level. a) Blocking send and non-blocking send in IPC b) Blocking receive and non-blocking receive in IPC c) zero-capacity and bounded capacity in IPC buffers