1
GATE CSE 2012
MCQ (Single Correct Answer)
+2
-0.6
Consider the program given below, in a block-structured pseudo-language with lexical scoping and nesting of procedures permitted.
Program main;
  Var . . .

  Procedure A1;
      Var . . .
      Call A2;
  End A1

  Procedure A2;
      Var . . .

      Procedure A21;
        Var . . .
        Call A1;
      End A21

      Call A21;
  End A2

  Call A1;
End main.
Consider the calling chain: Main $$ \to $$ A1 $$ \to $$ A2 $$ \to $$ A21 $$ \to $$ A1
The correct set of activation records along with their access links is given by
A
GATE CSE 2012 Programming Languages - Function and Recursion Question 12 English Option 1
B
GATE CSE 2012 Programming Languages - Function and Recursion Question 12 English Option 2
C
GATE CSE 2012 Programming Languages - Function and Recursion Question 12 English Option 3
D
GATE CSE 2012 Programming Languages - Function and Recursion Question 12 English Option 4
2
GATE CSE 2011
MCQ (Single Correct Answer)
+2
-0.6
Consider the following recursive C function that takes two arguments:
unsigned int foo (unsigned int n, unsigned int r) {
  if (n > 0) return((n % r) + foo(n/r, r));
  else return 0;
}
What is the return value of the function foo when it is called as foo (513, 2)?
A
9
B
8
C
5
D
2
3
GATE CSE 2011
MCQ (Single Correct Answer)
+2
-0.6
Consider the following recursive C function that takes two arguments:
unsigned int foo (unsigned int n, unsigned int r) {
  if (n > 0) return((n % r) + foo(n/r, r));
  else return 0;
}
What is the return value of the function foo when it is called as foo (345, 10)?
A
345
B
12
C
5
D
3
4
GATE CSE 2008
MCQ (Single Correct Answer)
+2
-0.6
Choose the correct option to fill ? 1 and ? 2 so that the program below prints an input string in reverse order. Assume that the input string is terminated by a newline character.
void recerse (void) {
  int c;
  if (?1) reverse() ;
  ?2
}
main {
  printf ("Enter Text" ); 
  printf("\n");
  reverse() ;
  printf("\n") ;
}
A
?1 is (getchar ( )! = '\ n')
?2 is getchar (c);
B
?1 is ((c = getchar ( ) )! = '\ n')
?2 is getchar (c);
C
?1 is (c ! = '\ n')
?2 is putchar (c);
D
?1 is ((c = getchar ( ) )! = '\ n')
?2 is putchar (c);
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