1) What do the below programs do? Comment on child and parent process. // program 1 int counter =1; int main() //program 2 int main() { privtf("p"); fflush(stdout); if (fork() == 0) { privtf("q"); fflush(stdout); } else { if (fork() != 0) { wait(NULL); counter--; printf("counter = %d\n", counter);} else { printf("r"); fflush(stdout); wait(NULL); } } counter+±; printf("counter = %d\n", counter);} } //program 3 int main() { int i; for (i= 0; i < 3; i++) { if (fork() == 0) { printf("Child sees i = %d\n", i); exit(0); } else { printf("Parent sees i = %d\n", i); wait(NULL); }

The computation systems can be defined as the systems that are capable of solving a problem that includes calculations either mathematical or logical, and are able to produce the result as an output. For example, a simple calculator that is given a set o…