Solved with the explanation please

Consider the following code

#include

#include

void main(void) {

pid_t pid; int i=0;

pid = fork();

if (pid==0)

pid = getpid();

else if (pid>0)

i=5;

else if (pid<0)

i=10;

return 0; }

What are the values of i and pid:

a)If the fork() is successful and returned in the child process:

b)If the fork() is successful and returned in the parent process:

c)If the fork() is unsuccessful:

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In a multiprogramming environment, consider we have the following process P1:

#	Instruction	Execution time
1	Assignment	2 ms
2	Fork ()	3 ms
3	Wait (Null)	3 ms
4	Print	2ms

Assume the following:

fork () is executed correctly.

Push time in any queue =2 ms.

Wait time in printer queue =4 ms.

Dispatch time = 1ms.

Complete the following table:

Accumulative Time	Process State	Executing Instruction	Queue Name	Execution Time	Dispatch Time	Push Time	Wait Time in Q
0	Ready		Ready Q		1
1