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- q6) Supposed that a process is in “waiting” state waiting for Child Process. When the service is completed, it goes to the ------------------------state. a. Ready state b. Running state c. New state d. None of the MentionedThe following question is related to C programming system call Task-2: Write a program that will create a child and another grandchild process. Every process will print a line. The parent process will print, “I am parent” Child process will print, “I am child” The grandchild process will print, “I am grandchild” Now, write the program in such a way that the following output will be shown - I am grandchild I am child I am parent• Write a c program that creates a child process. the parent should read 2 integers x and y from the user the parent should send x and y for the child via pipe the child should read the integers via pipe and finally display the sum of these 2 integers. Once the child display the sum, the parent should display "Done!I can go now"
- 2. A program P calls two subprograms P1 and P2. P1 can fail 50% times and P2 40% times. Then P can fail a. 50% b. 60% c. 10% d. 70%Modify the program such that only the child prints its process ID; the parent should print nothingThe output of the following program has to be as below: Output: 1. Parent process ID : 02. Child process ID: ....3. Grand Child process ID: ...4. Grand Child process ID: .... 5. Grand Child process ID: ... But when I run the code, the Grand Child processes are not displaying in sequential order as shown in the output. I am trying to write a C program such that the parent process will create one child process and 3 grandchild processes and print their IDs. The Grand Child processes must appear in order of 3,4 and 5. I am attaching my code below. Please tell me what should I change in the code to get the desired output. My Code: #include <stdio.h>#include <sys/types.h>#include <unistd.h>#include <sys/wait.h>int main() {printf("1. Parent process ID: %d\n", getpid());pid_t child;child = fork();if (child<0) {printf("error");}else if (child==0) {printf("2. Child process ID: %d\n", getpid());for (int i=3; i<=5; i++) {pid_t grandchild = fork();if…
- Write a C program that will create a child and another grandchild process. Every process will print a line. Parent process will print, “I am parent” Child process will print, “I am child” Grandchild process will print, “I am grandchild” Now, write the program in such way so that the following output will be shown - I am grandchild I am child I am parentThis exercise is for a simplified supermarket cash register system. The normal procedure for using the cash register is as follows:• A customer arrives at the checkout with items to pay.• The cashier records the identification number of each item, as well as the quantity if it is greater than one.• The checkout displays the price of each item and its description.• When all purchases are recorded, the cashier signals the end of the sale.• The cash register displays the total purchases.• The customer chooses his method of payment:✓ cash: the cashier collects the money received; the cashier indicates the currency to be returned to the customer;✓ check: the cashier checks the creditworthiness of the customer by transmitting a request to an authorization center via the cashier;✓ credit card: a bank terminal is part of the cash register. It transmits an authorization request to an authorization center according to the type of card.• The cash register registers the sale and prints a receipt.•…Write a program in c that the parent process will create one child process and 3 grandchild processes and print their IDs Output: 1. Parent process ID : 0 Child process ID : …. Grand Child process ID: … Grand Child process ID: …. Grand Child process ID: ….
- Using C++ and MPI Using more than 2 processes, create a program that sends the same message sequentially to all other processes and returns it back to the first processThis exercise is for a simplified supermarket cash register system. The normal procedure for using the cash register is as follows:• A customer arrives at the checkout with items to pay.• The cashier records the identification number of each item, as well as the quantity if it is greater than one.• The checkout displays the price of each item and its description.• When all purchases are recorded, the cashier signals the end of the sale.• The cash register displays the total purchases.• The customer chooses his method of payment:✓ cash: the cashier collects the money received; the cashier indicates the currency to be returned to the customer;✓ check: the cashier checks the creditworthiness of the customer by transmitting a request to an authorization center via the cashier;✓ credit card: a bank terminal is part of the cash register. It transmits an authorization request to an authorization center according to the type of card.• The cash register registers the sale and prints a receipt.•…This exercise is for a simplified supermarket cash register system. The normal procedure for using the cash register is as follows: • A customer arrives at the checkout with items to pay. • The cashier records the identification number of each item, as well as the quantity if it is greater than one. • The checkout displays the price of each item and its description. • When all purchases are recorded, the cashier signals the end of the sale. • The cash register displays the total purchases. • The customer chooses his method of payment: ✓ cash: the cashier collects the money received; the cashier indicates the currency to be returned to the customer; ✓ check: the cashier checks the creditworthiness of the customer by transmitting a request to an authorization center via the cashier; ✓ credit card: a bank terminal is part of the cash register. It transmits an authorization request to an authorization center according to the type of card. • The cash register registers the sale and prints a…