Answer:
When a process is "listed" in a queue, the most important information stored in the list in memory are;
i. Process state: The process state is the status of a given process at a given point in time. In this case, the process state of the process in a queue is going to be <em>waiting</em>.
ii. Process ID: Every process has a unique identifier to distinguish it from other processes.
iii. Priority status: This gives the information of the priority level of the process over other processes that are listed in the queue.
Answer:
It is important because it can promote the construction of relational algebra operators in a more complete, comprehensive and easy way.
Explanation:
The operators' ability to compose allows them to cooperate with each other's arguments, creating large, comprehensive concepts that address issues in a more detailed and consequently correct way. In this case, this interaction that the composition promotes, allows relational algebra operators to be created more easily.
I believe it is b so I will just leave it at that
