1. What does argc represent in a C program that uses command-line arguments?

• A) Argument value
• B) Array of strings
• C) Argument count
• D) Array of integers

2. What is stored in argv[0] when a C program is executed with command-line arguments?

• A) The first argument passed to the program
• B) The second argument passed to the program
• C) The number of arguments passed
• D) The program’s name

3. How would you compile and run a C program that uses command-line arguments?

• A) gcc program.c -run program arg1 arg2
• B) gcc program.c -output program arg1 arg2
• C) gcc program.c -o program; ./program arg1 arg2
• D) gcc program.c -execute program arg1 arg2

4. If a program is executed as ./program arg1 arg2 arg3, what will be the value of argc?

• A) 1
• B) 3
• C) 4
• D) 5

5. In the command-line argument example provided, what does the atoi function do?

• A) Converts a string to a character
• B) Converts a string to an integer
• C) Converts an integer to a string
• D) Converts a string to an array

6. Which of the following commands is used to create a new directory in the command line?

• A) DIR
• B) MD
• C) CD
• D) CLS

7. In the context of command-line arguments, which of the following is correct for char *argv[]?

• A) It is a string variable that holds the number of arguments.
• B) It is an integer that counts the number of arguments.
• C) It is an array of pointers to strings representing arguments.
• D) It is an array of integers representing arguments.

8. What will be the output of the following program if executed as ./program 10 20?

                #include <stdio.h>
                #include <stdlib.h>
                int main(int argc, char *argv[]) {
                    int num1 = atoi(argv[1]);
                    int num2 = atoi(argv[2]);
                    int sum = num1 + num2;
                    printf("Sum: %d\n", sum);
                    return 0;
                }
                

• A) Sum: 1020
• B) Sum: 30
• C) Sum: 15
• D) Sum: 0

9. Which of the following commands is used to clear the terminal screen?

• A) COPY
• B) CLS
• C) CD
• D) MD

10. In a program using command-line arguments, what does the first argument (argv[0]) always contain?

• A) The first user-provided argument
• B) The program’s name
• C) The second user-provided argument
• D) The total number of arguments