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PreviousWhat is the purpose of interrupts? What are the differences between a trap and an interrupt? Can traps be generated intentionally by a user program? If so, for what purpose?NextIncluding the initial parent process, how many processes are created by the program shown below? ``c #include<stdio.h> #include<unistd.h> int main() { /*fork a child process */ fork(); /* fork another child process*/ fork(); /* and fork another*/ fork(); return 0; } ``