Program $2.$ Simulate batch processing with Multiprogramming.Requirements:

$1.$ The program will ask for the initial number of jobs, and then create batches with a maximum capacity of $4($see Program Requirements $1).$

$2.$ In this simulation the information for each job will be generated internally, that is$,$ it will no longer be necessary to enter data from the keyboard, the information to be generated is: a$.$ Number of each process, validate that it is unique. $($Can be consecutive$)$ b$.$ Estimated Maximum Time will be generated randomly, validating that it is greater than $0($range between $5$ and $18).$

c$.$ Operation $(+,-,*,/,$ remainder$)$ to be performed with its operands $($validate operations$),$ randomly.

NOTE: In the previous practice, the programmer's name was captured; in this practice, that information is no longer required $($it is eliminated$).$

$3.$ Jobs will be executed according to their assigned number $($ID$).$

$4.$ Processes once running can be Interrupted by Entry$/$Exit or terminated by Error $($Note the difference in the table$).$

$5.$ Interruption and termination of running jobs will be generated by keys. $6.$ The keys to use are:

Key

Which indicates?

What are you doing?

AND

Interrupt by input output

The process that is in use of the processor $($execution$)$ must exit it and go to the queue of the processes of the batch in execution $($current$).$

IN

Error

The process that is running at that moment will terminate by error, that is$,$ it will exit the processor and will be displayed as finished. In this case, since the process did not terminate, an error will normally be displayed instead of a result.

P

Break

Stops the execution of your program momentarily, the simulation resumes when the $$C$$ key is pressed.

C

Continue

Pressing this key will resume the program previously paused with $$P$.$

$7.$ It should be displayed on the screen:

to$.$ Waiting Processes corresponding to the Batch in execution:

Yo$.$ Program Number.

ii$.$ Estimated Maximum Time.

iii. Show elapsed time. If the process has not yet been executed, $0$ will be displayed.

b$.$ Number of Pending Batches: Specify the number of pending batches to be executed, if there are none, $0$ will be displayed.

c$.$ Running Process:

Yo$.$ All data corresponding to the process will be displayed.

ii$.$ Time that has already been executed.

iii. Remaining time to execute

d$.$ Completed Jobs::

Program Number.

ii$.$ Operation

iii. Result of the operation or ERROR when the process has been terminated with the key that generates the error.

and. Clock $($General Accountant$).$

$8.$ Upon completion of the running batch, it will continue with the next waiting batch. $9.$ The program will end when all operations for all batches have been performed $($Pause$).$