Answer:
See attached file for detailed solution.
Explanation:
See attached file for explanation.
A and B are out because Charlie knows his problem is he is not going to finish in time. D is out because he hasn't talked to his manager yet. so only choice left is C. decide if he should talk to his manager about the problem he now knows
Answer: d. the time quantum should be as small as possible.
Explanation: Round robin is a CPU scheduling algorithm. If the time quantum is extremely small, number of context switches is very high, round robin scheduling will be same as processor sharing algorithm. Then the algorithm is good. Very large time quantum will make response time of processes too much which may not be tolerated in interactive environment.
Answer:
The answer for B is 10% and for C is 40%.
Explanation:
To get the percentage for B you take the the frequecy of students taking 2 courses (5) and multiply it by 100 then you divide it by whole number of students.
For C you do the after adding the number of students taking 1 or 2 courses (20).
It is the basic way to Photoshop in a video
