Suppose that the following processes arrive for execution at the times indicated below. Each process will run for the amount of time listed. You should use nonpreemptive scheduling, and base all decisions on the information you have at the time the decision must be made. Remember that turnaround time is finishing time minus arrival time, so you have to subtract the arrival times to compute the turnaround times. Process Arrival Time Burst TimeP1 0.0 8 P2 0.4 4 P3 1.0 1 What is the average turnaround time for these processes with the FCFS scheduling algorithm?

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Write a program that uses a random number generator to generate a two digit positive integer and allows the user to perform one or more of the following operations: a. double the number. b. reverse the digits of the number. c. raise the number to the power of 2, 3, or 4. d. sum the digits of the number. e. if the number is a two-digit number, then raise the first digit to the power of the second digit. f. if the number is a three-digit number and the last digit is less than or equal to 4, then raise the first two digits to the power of the last digit. after performing an operation if the number is less than 10, add 10 to the number. also, after each operation determine if the number is prime. each successive operation should be performed on the number generated by the last operation. your program should not contain any global variables and each of these operations must be implemented by a separate function. also, your program should be menu driven. 7. (fraction calculator) write a program that

Write an essay on online collaboration, how to do it, the challenges, resolving the challenges, and consider whether the risks are greater than rewards. ( need )