Classical

C Programming MCQ - Pointers

6:   A pointer variable can be
A. Passed to a function
B. Changed within a function
C. Returned by a function
D. Can be assigned an integer value
 
 

Option: C

Explanation :


7:   a→b is syntactically correct if
A. a and b are structures
B. a is structure and b is a pointer to a structure
C. a is a pointer to a structure and b is a structure
D. None of these
 
 

Option: A

Explanation :


8:  

The statement 

 if ( myPtr != NULL )
         *myPtr = NULL;
else
         *myPtr = NULL;


has the same effect as the statements(s)

A.

if(myPtr) *myPtr = NULL;
    else *myPtr = NULL;

B.

*myPtr = NULL;

C.

if(!myPtr) *myPtr = NULL;
   else *myPtr = NULL;

D.

All of these

 
 

Option: D

Explanation :


9:  

Consider the following program fragment.
static char wer[3][4] = {"bag", "let", "bud"};
char(*ptr)[4] = wer;

In which of the following cases will the character 't' be printed?

A.

 putchar ( * ( * (ptr+1) + 2));

B.

putchar ( * (wer [1] + 2) ) ;

C.

putchar (* (ptr+1) + 2);

D.

none of the above

 
 

Option: B

Explanation :


10:  

Consider the following program fragment.
static char wer[3][4] = {"bag", "let", "bud"};
char(*ptr)[4] = wer;

The possible output of printf ("%d %d" , wer[1] , wer[1] +1); is

A.

362 363

B.

162 162

C.

162 166

D.

162 165

 
 

Option: A

Explanation :




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Syllabus Covered in this section is

  • Elements of C-Tokens
  • Identifiers
  • data types in C
  • Control structures in, C
  •  Sequence, selection and iteration(s).
  • Structured data types in C
  • Arrays, Structures, union, String, and pointers
  • Functions, Recursion
  • Parameter passing, Scope
  •  Binding, Abstract data types

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