Data Types in C Language - Quiz

What is the size of a Decimal number in 64-bit?
  • A 4 byte
  • B 8 byte
  • C 16 byte
  • D 32 byte

What is the output of this C code? 

#include<stdio.h> 
void main()
{
   char a='\012';
   printf("%d",a);
 
}

  • A 10
  • B 11
  • C 12
  • D 012

What is the output of this program? 

#include <stdio.h>
int main()
{
    if (sizeof(int) > -1)
        printf("Yes");
    else
        printf("No");
    return 0;
}


                                
                                                              

                          

                          

                             

                                

                                  
    
                                                                        
  • 
                                      A
                                      No
                                       
                                    
    •                                                                          
  • 
                                      B
                                      Yes
                                       
                                    
    •                                                                          
  • 
                                      C
                                      Compile time error
                                       
                                    
    •                                                                          
  • 
                                      D
                                      Run time Error
                                      
                                    
    •  
                                    
                                  

                                

                               
                              

                         

                    

                

          

                                        

                        

                         

                          

                              

                                
 What will be output when you will execute following c code?


#include<stdio.h>
int main(){
    printf("%d\t",sizeof(6.5));
    printf("%d\t",sizeof(90000));
    printf("%d",sizeof('A'));
    return 0;
}


                                
                                                              

                          

                          

                             

                                

                                  
    
                                                                        
  • 
                                      A
                                      4 4 1
                                       
                                    
    •                                                                          
  • 
                                      B
                                      16 8 4
                                       
                                    
    •                                                                          
  • 
                                      C
                                      8 4 2
                                       
                                    
    •                                                                          
  • 
                                      D
                                      4 2 1
                                      
                                    
    •  
                                    
                                  

                                

                               
                              

                         

                    

                

          

                                        

                        

                         

                          

                              

                                
 What is the output of this code?


#include <stdio.h>
int main()
 {
  int a[5] = {1, 2, 3, 4, 5};
  int i;
    for (i = 0; i < 5; i++)
          if ((char)a[i] == '5')
             printf("%d\n", a[i]);
          else
             printf("ATNYLA\n");
 }


                                
                                                              

                          

                          

                             

                                

                                  
    
                                                                        
  • 
                                      A
                                      Program will compile and print the output ATNYLA
                                       
                                    
    •                                                                          
  • 
                                      B
                                       Program will compile and print ATNYLA for 5 times
                                       
                                    
    •                                                                          
  • 
                                      C
                                       Program will compile and print the ASCII value of ATNYLA
                                       
                                    
    •                                                                          
  • 
                                      D
                                      The compiler will flag an error
                                      
                                    
    •  
                                    
                                  

                                

                               
                              

                         

                    

                

          

                                        

                        

                         

                          

                              

                                
 What is the size of an int data type in a 32-bit system?

                                
                                                              

                          

                          

                             

                                

                                  
    
                                                                        
  • 
                                      A
                                      4 Bytes
                                       
                                    
    •                                                                          
  • 
                                      B
                                      8 Bytes
                                       
                                    
    •                                                                          
  • 
                                      C
                                      2 Bytes
                                       
                                    
    •                                                                          
  • 
                                      D
                                      Depends on the system/compiler
                                      
                                    
    •  
                                    
                                  

                                

                               
                              

                         

                    

                

          

                                        

                        

                         

                          

                              

                                
 
What will be output when you will execute following c code?



#include<stdio.h>
   int main(){
    signed x,a;
    unsigned y,b;
    a=(signed)10u;
    b=(unsigned)-10;
    y = (signed)10u + (unsigned)-10;
    x = y;
    printf("%d  %u\t",a,b);
    if(x==y)
         printf("%d %d",x,y);
    else if(x!=y)
         printf("%u  %u",x,y);
    return 0;
}


                                
                                                              

                          

                          

                             

                                

                                  
    
                                                                        
  • 
                                      A
                                      10 4294967286 0 0
                                       
                                    
    •                                                                          
  • 
                                      B
                                      10 65526      0 0
                                       
                                    
    •                                                                          
  • 
                                      C
                                      A and B
                                       
                                    
    •                                                                          
  • 
                                      D
                                      None
                                      
                                    
    •  
                                    
                                  

                                

                               
                              

                         

                    

                

          

                                        

                        

                         

                          

                              

                                
 What will be output when you will execute following c code on a 64-bit machine?

 
#include<stdio.h>
int main(){
    int a= sizeof(signed) +sizeof(unsigned);
   printf("%d",a);
    return 0;
}


                                
                                                              

                          

                          

                             

                                

                                  
    
                                                                        
  • 
                                      A
                                      10
                                       
                                    
    •                                                                          
  • 
                                      B
                                      9
                                       
                                    
    •                                                                          
  • 
                                      C
                                      8
                                       
                                    
    •                                                                          
  • 
                                      D
                                      Cannot find size of modifiers
                                      
                                    
    •  
                                    
                                  

                                

                               
                              

                         

                    

                

          

                                        

                        

                         

                          

                              

                                
 Which of the following is a Scalar Data type

                                
                                                              

                          

                          

                             

                                

                                  
    
                                                                        
  • 
                                      A
                                      Float
                                       
                                    
    •                                                                          
  • 
                                      B
                                      Union
                                       
                                    
    •                                                                          
  • 
                                      C
                                      Array
                                       
                                    
    •                                                                          
  • 
                                      D
                                      Pointer
                                      
                                    
    •