C programming-1

Which of the following is not a valid variable name declaration?

• int a3;

• int 3a;

• int _A3;

• int a_3

All keywords in C are in ____________

• Lowercase

• Uppercase

• Camelcase

• None of these

A translator which reads an entire program written in a high level language and converts it into machine language code is:

• Assembler

• Compiler

• Linker

• Loader

Diamond shaped symbol is used in flowcharts to show the-

• decision box

• statement box

• error box

• if-statement box

Which is correct with respect to size of the data types?

• char > int > float

• int > char > float

• char < int < double

• double > char > int

Which is valid C variable declarations?

• int my_num = 100,000;

• int my_num = 100000;

• int my num = 1000;

• int $my_num = 10000;

The functions printf() and scanf() are defined in which of the following library file:-

• math.h

• conio.h

• stdio.h

• stdlib.h

#include <stdio.h>

int main()

{

signed char chr;

chr = 128;

printf("%d\n", chr);

return 0;

}

• 128

• 0

• -128

• Garbage Value

#include <stdio.h>

void main()

{

int k = 4;

float k = 4;

printf("%d", k)

}

A.

• 4

• 4.000000

• No output

• Compile time Error

What will be the output of the following program?

#include <stdio.h>

int main()

{

float c = 5.0;

printf ("Temperature in Fahrenheit is %.2f", (9/5)*c + 32);

return 0;

}

• Temperature in Fahrenheit is 41.00

• Temperature in Fahrenheit is 37.00

• Temperature in Fahrenheit is 0.00

• Compiler Error