fundamentals on c

who is the father of c language

• bjoune strousstrip

• dennis m ritchie

• dr e.f coud

• james a .gosling

#include<stdio.h>

int main()

{

int n;

for(n = 7; n!=0; n--)

printf("n = %d", n--);

getchar();

return 0;

}

• infinite loop

• finite loop

find the output of snippet?

#include<stdio.h>

int main()

{

printf("%x", -1<<1);

getchar();

return 0;

}

• dependent on the compiler

• independent on the compiler

• error

• compile successfully

# include <stdio.h>

# define scanf "%s Geeks For Geeks "

main()

{

printf(scanf, scanf);

getchar();

return 0;

}

• Output: %s Geeks For Geeks Geeks For Geeks

• Output: %d Geeks For Geeks Geeks For Geeks

• Output: %f Geeks For Geeks Geeks For Geeks

• Output: %c Geeks For Geeks Geeks For Geeks

#include<stdio.h>

char *getString()

{

char str[] = "Will I be printed?";

return str;

}

int main()

{

printf("%s", getString());

getchar();

}

• Output:accurate value

• Output: Some garbage value

• Output:error

• Output:not compile

#include<stdio.h>

main()

{

char s[]="hello", t[]="hello";

if(s==t){

printf("eqaul strings");

}

}

• equal

• unequal

• will have output

• no output

What is the output of the following program?

#include<stdio.h>

main()

{

float t = 2;

switch(t)

{

case 2: printf("Hi");

default: printf("Hello");

• Hi

• HiHello

• Hello

• Error

Compiler generates ___ file.

A - Executable code

B - Object code

C - Assembly code

D - None of the abov

• A

• B and a

• only b

• both a and c

o store a word/sentence declare a variable of the type ‘string’.

A - true

B - false

• a

• b

• no one correct

• both a and b

What is the output of the following program?

#include<stdio.h>

main()

{

char *s = "Hello";

while(*s!=NULL)

printf("%c", *s++);

}

A - Hello

B - Helloellolloloo

C - ello

D - Compile error

• A

• A and B

• B and C

• D