C programming

Who is the father of C language?

• Steve Jobs

• James Gosling

• Dennis Ritchie

• Rasmus Lerdorf

All keywords in C are in ____________

• LowerCase letters

• UpperCase letters

• CamelCase letters

• all of them

Which keyword is used to prevent any changes in the variable within a C program?

• variable

• mutable

• constant

• extern

What is an example of iteration in C?

• for

• while

• switch

• both A and B

What is #include <stdio.h>?

• Preprocessor directive

• Inclusion directive

• File inclusion directive

• None of the mentioned

scanf() is a predefined function in______header file.

• stdlib. h

• conio.h

• stdio.h

• math.h

what will be the output of the following code?

int main()

{

int y = 10000;

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

format specifier for float data type is ....................

What will happen if the following C code is executed?

#include <stdio.h>

int main()

{

int main = 3;

printf("%d", main);

return 0;

}

• It will cause a compile-time error

• It will cause a run-time error

• It will run without any error and prints 3

• It will experience infinite looping

What will be the final value of x in the following C code?

#include <stdio.h>

void main()

{

int x = 5 * 9 / 3 + 9;

}

• 3.74

• 24

• 25

• none of te above