Advanced C++ Test - 2

1. To use command line arguments in C++, how many parameters are passed to the main function?

2. Which of the following gives the name of the program if the second parameter to the main fucntion is char **argv?

argv[0]

argv[2]

argv[1]

argv[3]

3. Which of the following is correct to interpret Hello World as a single argument?

1) $ ./output 'Hello World'
2) $ ./output Hello World

Neither 1 nor 2

Both 1 and 2

Only 2

Only 1

4. Which is the correct way of handling arguments with spaces?

Use double quotes

There is no way of handling arguments with space

Use single quotes

Either single or double quotes

5. Which of the following is correct about the second parameter of the main function?

First string of the list is the name of the program's output fle

The string in the list are separated by space in the terminal

Second parameter is an array of character pointers

All of the mentioned

6. What is the signature of math in function using command line arguments?

all of the mentioned

int main(int argc, char const **argv);

int main(int argc, char **argv);

int main(int argc, char const *argv[]);

7. What are command line arguments?

Arguments passed to structure functions

Arguments passed to main() function

Arguments passed to any function

Arguments passed to class functions

8. Which of the following is correct about the first parameter of the main function?

All of the mentioned

First argument is non-negative

First argument is of int type

Stores the count of command line arguments

9. What will be the output of the following C++ code if the following arguments are executed on terminal?

================program.cpp================
#include <iostream>
using namespace std;
int main(int argc, char const *argv[])
{
	for(int i=0;i<argc;i++)
		cout<<argv[i]<<"\n";
}
=======================================
================commands===============
$ g++ program.cpp -o output
$ ./output Hello World
=======================================

./output
Hello
World

program.cpp
Hello
World

Hello
World

program.cpp
Hello

10. What does the first parameter of the main function represent?

Number of command line arguments

Stack of command line arguments

List of command line arguments

Dictionary of command line arguments

11. What does the second parameter of the main function represent?

Number of command line arguments

List of command line arguments

Dictionary of command line arguments

Stack of command line arguments

12. Which character is used to separate different arguments?

space