c program -basic

C language is developed by

• Tim Berners Lee

• Dennis Ritchi

• Bjarne Stroustrup

Which is output function in C

• int

• %d

• scanf()

• printf()

Which one is input function in C

• printf()

• scanf()

• int

• %d

syntax of scanf() in C

• scanf("format specifier",variable);

• scanf("format specifier",&variable);

• scanf("format specifier,variable");

• scanf(format specifier,&"variable");

^{syntax of printf() in C}

• printf("%format specifier",&variable);

• printf("%format specifier",variable);

• 'printf(%format specifier,"variable");

• printf("%format specifier,&variable");

format specifier of int

• %i

• %c

• %d

• %b

memory allocation of float

• 1 byte

• 2 byte

• 4 byte

• 8 byte

relationl operator in C

• *

• =

• ==

• ?=

What is the default state of an integer in c language?

• signed

• unsigned

• there is no default state

#include<stdio.h>

int main()

{

int a=4,b,c;

b = --a;

c = a--;

printf("%d %d %d",a,b,c);

return 0;

}

• 3 3 2

• 2 3 2

• 3 2 2

• 2 3 3