c quiz

1. Who is the father of C language?

• Steve Jobs

• James Gosling

• Dennis Ritchie

• Rasmus Lerdorf

2. Which of the following is true for variable names in C?

• They can contain alphanumeric characters as well as special characters

• It is not an error to declare a variable to be one of the keywords(like goto, static)

• Variable names cannot start with a digit

• Variable can be of any length

3. Which of the following cannot be a variable name in C?

• volatile

• true

• friend

• export

4. Which of the following declaration is not supported by C language?

• String str;

• char *str;

• float str = 3e2;

• Both “String str;” and “float str = 3e2;”

5. When a C program is started, O.S environment is responsible for opening file and providing pointer for that file?

• Standard input

• Standard output

• Standard error

• All of the mentioned

6. What is meant by ‘a’ in the following C operation?

fp = fopen("Random.txt", "a");

• Attach

• Append

• Apprehend

• Add

7. What will be the output of the following C code?

#include <stdio.h>

int main()

{

int y = 1000;

int y = 34;

printf("Hello World! %d\n", y);

return 0;

}

• Compile time error

• Hello World! 34

• Hello World! 1000

• Hello World! followed by a junk value

8. How many times i value is checked in the following C program?

#include <stdio.h>

int main()

{

int i = 0;

while (i < 3)

i++;

printf("In while loop\n");

}

• 2

• 3

• 4

• 1

9.What does the following declaration indicate?

int x: 8;

• x stores a value of 8.

• x is an 8-bit integer.

• Both A and B.

• None of the above.

10.Which of the following is an exit controlled loop?

• While loop.

• For loop.

• do-while loop.

• None of the above.