Explore topic-wise MCQs in C Programming.

This section includes 83 Mcqs, each offering curated multiple-choice questions to sharpen your C Programming knowledge and support exam preparation. Choose a topic below to get started.

1.

What will be the output of the program (sample.c) given below if it is executed from the command line? cmd> cmd> cmd>

A. sample 3 2 3
B. sample 1 2 3
C. sample
D. Error
Answer» D. Error
Discussion
2.

What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd>

A. 65525 65531
B. 65519 65521
C. 65517 65517
D. 65521 65525
Answer» C. 65517 65517
Discussion
3.

What will be the output of the program (sample.c) given below if it is executed from the command line? cmd>

A. *.c
B. "*.c"
C. sample *.c
D. List of all files and folders in the current directory
Answer» B. "*.c"
Discussion
4.

What will be the output of the program if it is executed like below? cmd>

A. 0
B. sample
C. samp
D. No output
Answer» C. samp
Discussion
5.

What will be the output of the program (sample.c) given below if it is executed from the command line? cmd>

A. three two one
B. owt
C. eno
D. eerht
Answer» D. eerht
Discussion
6.

Which of the following is TRUE about ?

A. It is an array of character pointers
B. It is a pointer to an array of character pointers
C. It is an array of strings
D. None of above
Answer» B. It is a pointer to an array of character pointers
Discussion
7.

What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd>

A. myprog
B. one
C. two
D. three
Answer» C. two
Discussion
8.

What will be the output of the program (sample.c) given below if it is executed from the command line (Turbo C in DOS)? cmd>

A. 6
B. sample 6
C. Error
D. Garbage value
Answer» D. Garbage value
Discussion
9.

What will be the output of the program (sample.c) given below if it is executed from the command line (turbo c under DOS)? cmd>

A. 3 Good
B. 2 Good
C. Good Morning
D. 3 Morning
Answer» B. 2 Good
Discussion
10.

If the different command line arguments are supplied at different times would the output of the following program change?

A. Yes
B. No
Answer» C.
Discussion
11.

According to ANSI specifications which is the correct way of declaring when it receives command-line arguments?

A. None of above
Answer» B.
Discussion
12.

What do the 'c' and 'v' in stands for?

A. 'c' means argument control 'v' means argument vector
B. 'c' means argument count 'v' means argument vertex
C. 'c' means argument count 'v' means argument vector
D. 'c' means argument configuration 'v' means argument visibility
Answer» D. 'c' means argument configuration 'v' means argument visibility
Discussion
13.

What will be the output of the following C statement? (assuming the input is Welcome to Interview mania )
printf( %s n , argv[argc]);
A. Interview
B. mania
C. Segmentation Fault
D. (null)
E. None of these
Answer» E. None of these
Discussion
14.

What will be the output of the following C code (run without any command line arguments)?
 #include <stdio.h>
 int main(int argc, char *argv[])
 {
 while (argc--)
 printf("%s n", argv[argc]);
 return 0;
 }
A. Compilation Error
B. Segmentation fault
C. Undefined behaviour
D. Nothing
E. main
Answer» F.
Discussion
15.

What will be the output of the following C code (if run with no options or arguments)?
#include <stdio.h>
 int main(int argc, char *argv[])
 {
 printf("%d n", argc);
 return 0;
 }
A. Depends on the compiler
B. Nothing
C. 0
D. 1
E. None of these
Answer» E. None of these
Discussion
16.

What will be the output of the following C code (run without any command line arguments)?
 #include <stdio.h>
 int main(int argc, char *argv[])
 {
 while (argv != NULL)
 printf("%s n", *(argv++));
 return 0;
 }
A. Executable file name
B. Depends on the platform
C. Depends on the compiler
D. Segmentation fault/code crash
E. None of these
Answer» E. None of these
Discussion
17.

What will be the output of the following C code (run without any command line arguments)?
#include <stdio.h>
 int main(int argc, char *argv[])
 {
 while (*argv != NULL)
 printf("%s n", *(argv++));
 return 0;
 }
A. Executable file name
B. Depends on the compiler
C. Nothing
D. Segmentation fault/code crash
E. None of these
Answer» B. Depends on the compiler
Discussion
18.

What will be the output of the following C code (run without any command line arguments)?
#include <stdio.h>
 int main(int argc, char *argv[])
 {
 while (*argv++ != NULL)
 printf("%s n", *argv);
 return 0;
 }
A. Depends on compiler
B. Segmentation fault/code crash
C. Executable file name
D. Nothing
E. None of these
Answer» C. Executable file name
Discussion
19.

What will be the output of the following C code (run without any command line arguments)?
#include <stdio.h>
 int main(int argc, char *argv[])
 {
 printf("%s n", argv[argc]);
 return 0;
 }
A. Depends on compiler
B. Compilation Error
C. Executable file name
D. Segmentation fault/code crash
E. None of these
Answer» E. None of these
Discussion
20.

What will be the output of the program (sample.c) given below if it is executed from the command line?_x000D_ cmd> sample "*.c"_x000D_ /* sample.c */_x000D_ #include_x000D_ _x000D_ int main(int argc, int *argv)_x000D_ {_x000D_ int i;_x000D_ for(i=1; i

A. *.c
B. "*.c"
C. sample *.c
D. List of all files and folders in the current directory
Answer» B. "*.c"
Discussion
21.

What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd> myprog one two three /* myprog.c */ #include #include int main(int argc, char **argv) { int i; for(i=1; i<=3; i++) printf("%u\n", &argv[i]); return 0; } If the first value printed by the above program is 65517, what will be the rest of output?

A. 65525 65531
B. 65519 65521
C. 65517 65517
D. 65521 65525
Answer» C. 65517 65517
Discussion
22.

What will be the output of the program if it is executed like below?_x000D_ cmd> sample_x000D_ /* sample.c */_x000D_ #include_x000D_ _x000D_ int main(int argc, char **argv)_x000D_ {_x000D_ printf("%s\n", argv[argc-1]);_x000D_ return 0;_x000D_ }

A. 0
B. sample
C. samp
D. No output
Answer» C. samp
Discussion
23.

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

A. Only 1
B. Only 2
C. Both 1 and 2
D. Neither 1 nor 2View Answer
Answer» D. Neither 1 nor 2View Answer
Discussion
24.

Which is the correct way of handling arguments with spaces?

A. Use single quotes
B. Either single or double quotes
C. Use double quotes
D. There is no way of handling arguments with space
Answer» C. Use double quotes
Discussion
25.

Which character is used to separate different arguments?

A. #
B. $
C. space
D. |
Answer» D. |
Discussion
26.

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

A. argv[3]
B. argv[1]
C. argv[0]
D. argv[2]
Answer» D. argv[2]
Discussion
27.

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

A. Second parameter is an array of character pointers
B. First string of the list is the name of the program’s output fle
C. The string in the list are separated by space in the terminal
D. All of the mentioned
Answer» E.
Discussion
28.

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

A. First argument is of int type
B. Stores the count of command line arguments
C. First argument is non-negative
D. All of the mentioned
Answer» E.
Discussion
29.

What does the second parameter of the main function represent?

A. Number of command line arguments
B. List of command line arguments
C. Dictionary of command line arguments
D. Stack of command line arguments
Answer» C. Dictionary of command line arguments
Discussion
30.

What does the first parameter of the main function represent?

A. Number of command line arguments
B. List of command line arguments
C. Dictionary of command line arguments
D. Stack of command line arguments
Answer» B. List of command line arguments
Discussion
31.

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

A. int main(int argc, char const *argv[]);
B. int main(int argc, char const **argv);
C. int main(int argc, char **argv);
D. all of the mentioned
Answer» E.
Discussion
32.

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

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
33.

What are command line arguments?

A. Arguments passed to main() function
B. Arguments passed to any function
C. Arguments passed to class functions
D. Arguments passed to structure functions
Answer» B. Arguments passed to any function
Discussion
34.

Which are the methods used to parse string values to the respective data types in Java?

A. Boolean.parseBoolean(), Byte.parseByte()
B. Integer.parseInt(), Long.parseLong()
C. Float.parseFloat(), Double.parseDouble()
D. All the above
Answer» E.
Discussion
35.

Any type of data that can be typed on a console or ECLIPSE can be passed as a command-line argument. State TRUE or FALSE.

A. TRUE
B. FALSE
C. -
D. -
Answer» B. FALSE
Discussion
36.

Which is the exception or error that is thrown if a non-existing command-line argument is referred to in a Java program?

A. StackOverflowError
B. IndexOutOfBoundsException
C. ArrayIndexOutOfBoundsException
D. ArithmeticException
Answer» D. ArithmeticException
Discussion
37.

Choose the correct way of receiving command-line arguments with in the MAIN method in Java?

A. public static void main(String[] args)
B. public static void main(String args[])
C. public static void main(String anyName[])
D. All the above.
Answer» E.
Discussion
38.

To pass a string as a command-line argument in Java, you need to surround the text within a pair of ___.

A. Single Quotes ('abc def')
B. Double Quotes ("abc def")
C. Double Spaces(  abc def  )
D. Triple Single Quotes ('''abc  def''')
Answer» C. Double Spaces(  abc def  )
Discussion
39.

Is there any limit to the number of spaces between two arguments of command-line arguments in Java?

A. Yes
B. No
C. -
D. -
Answer» C. -
Discussion
40.

What is the output of the below Java program with command-line arguments?

A. car brake horn
B. car
C. horn brake car
D. horn
Answer» C. horn brake car
Discussion
41.

Can you pass a sentence with multiple words separated by spaces as a single command-line argument in Java?

A. Yes
B. No
C. -
D. -
Answer» B. No
Discussion
42.

The delimiter used to separate command-line arguments in Java is ____.

A. Semicolon (;)
B. Colon (:)
C. Space
D. Comman (,)
Answer» D. Comman (,)
Discussion
43.

The data that is passed at the time of running a Java program as command-line arguments are converted into ___ data type.

A. Integer array
B. Float array
C. Character array
D. String array
Answer» E.
Discussion
44.

The type of Arguments the MAIN method accepts is ___.

A. Integer[]
B. Float[]
C. Long[]
D. String[]
Answer» E.
Discussion
45.

The command-line arguments in Java are used along with a ____ command.

A. javac
B. java or javaw
C. javap
D. All the above
Answer» C. javap
Discussion
46.

Which is the method that accepts data passed in the form of command-line arguments in Java?

A. show() method
B. main() method
C. display() method
D. print() method
Answer» C. display() method
Discussion
47.

If you need to accept data at runtime, you use ___ in Java.

A. Command-line arguments
B. Java IO statements
C. -
D. -
Answer» C. -
Discussion
48.

When a Java program is executed once, how many times can you pass data using the Command-line arguments?

A. 1
B. 8
C. 16
D. None
Answer» B. 8
Discussion
49.

The command-line arguments are passes at ____.

A. Runtime
B. the time of executing a Java program.
C. the time of compiling a Java program.
D. None
Answer» C. the time of compiling a Java program.
Discussion
50.

Command-line arguments help in a way of ____ data to a program.

A. Inputting
B. Outputting
C. -
D. -
Answer» B. Outputting
Discussion