C Data Types Questions 2

June 23, 2019

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Question 1

Time: 00:00:00
What is the output of the given program ?
#include<stdio.h> 

int  main() 

{ 

   unsigned int a = -1; 

   int b = ~0; 

   if (a == b) 

      printf("same"); 

   else

      printf("not same"); 

   return 0; 

}

same

same

not same

not same

compiler error.

compiler error.

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Question 2

Time: 00:00:00
What is the output of the C code given below ?
#include<stdio.h> 

int  main() 

{ 

   unsigned int a = -1; 

   int b = 0; 

   if (a == b) 

      printf("same"); 

   else

      printf("not same"); 

   return 0; 

}

same

same

not same

not same

compiler error.

compiler error.

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Question 3

Time: 00:00:00
Which the following is not a valid declaration ?

  1. short int i;

  2. short i;

  3. short unsigned  i;

  4. short signed i;

only 3

only 3

3 and 4

3 and 4

2, 3 and 4

2, 3 and 4

All are valid.

All are valid.

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Question 4

Time: 00:00:00
For declarations :
float      a = 5.69;

double   b = 2.17;

long double c = 2.17;

Which is the following is the correct way to print these values ?

printf( “%f %f %f” ,x,y,z);

printf( “%f %f %f” ,x,y,z);

printf( "%f %ff %fff" ,x,y,z);

printf( "%f %ff %fff" ,x,y,z);

printf( "%f %lf %Lf" ,x,y,z);

printf( "%f %lf %Lf" ,x,y,z);

printf( "%f %lf %llf" ,x,y,z);

printf( "%f %lf %llf" ,x,y,z);

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Question 5

Time: 00:00:00
typedef in C can be used as an alias of

a function pointer

a function pointer

an array

an array

compound data types such as struct and union

compound data types such as struct and union

both compound data types and pointer to these compound types

both compound data types and pointer to these compound types

All of the above.

All of the above.

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["0","40","60","80","100"]
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