Processes 1. What is a process? Describe its main memory components 2. Describe each of the process states and transitions. 3. Provide examples of each state transition. 4. Given a single core machine, can we have multiple processes with state ready?, running?, waiting?. What about multicore machines? 5. Describe the components of a Process control block. 6. Describe how PCBs are used during context switch. 7. Given a program that uses fork, explain how the program works, draw a representation of the multiple processes that are created and write the expected output