C Programming Test 1

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All keywords in C are in

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Variable name resolving (number of significant characters for uniqueness of variable) depends on

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

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

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Which is valid C expression?

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2. What is the output of this C code?

#include <stdio.h>

int main()

{

printf(“Hello World! %d \n”, x);

return 0;

}

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What is the output of this C code?

#include <stdio.h>

int main()

{

int y = 10000;

int y = 34;

printf(“Hello World! %d\n”, y);

return 0;

}

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

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What will happen if the below program is executed?

#include <stdio.h>

int main()

{

int main = 3;

printf(“%d”, main);

return 0;

}

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

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Literal means ?

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The format identifier  ‘%i’  is also used for _____ data type?

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Which data type is most suitable for storing a number 65000 in a 32-bit system?

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Which of the following is a User-defined data type?

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What is the size of an int data type?

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What is the output of this C code?

#include  <stdio.h>

int main()

{

char chr;

chr = 128;

printf(“%d\n”, chr);

return 0;

}

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Comment on the output of this C code?

#include <stdio.h>

int main()

{

float f1 = 0.1;

if (f1 == 0.1)

printf(“equal\n”);

else

printf(“not equal\n”);

}

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Which is correct with respect to size of the datatypes?

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What is the output of this C code?

#include <stdio.h>

int main()

{

float x = ‘a’;

printf(“%f”, x);

return 0;

}

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Consider on following declaration:

(i)        short i=10;

(ii)       static i=10;

(iii)     unsigned i=10;

(iv)      const i=10;