UGC NET CS 2015 Jun - II

Question 11

What is the output of the following program? (Assume that the appropriate preprocessor directives are included and there is no syntax error)

main ( ) 
     { char S[ ] = "ABCDEFGH"; 
      printf ("%C", *(&S[3]));
      printf ("%s", S + 4); 
      printf ("%u", S);		
      /* Base address of S is 1000 */		
     }

ABCDEFGH1000
CDEFGH1000
DDEFGHH1000
DEFGH1000

Discuss it

Question 12

Which of the following is incorrect in C++ ? (1)When we write overloaded function we must code the function for each usage. (2)When we write function template we code the function only once. (3)It is difficult to debug macros (4)Templates are more efficient than macros

(1) and (2)
(1), (2) and (3)
(3) and (4)
All are correct.

Discuss it

Question 13

When the inheritance is private, the private methods in base class are __________ in the derived class (in C++).

inaccessible
accessible
protected
public

Discuss it

Question 14

An Assertion is a predicate expressing a condition we wish database to always satisfy. The correct syntax for Assertion is :

CREATE ASSERTION ‘ASSERTION Name’ CHECK ‘Predicate’
CREATE ASSERTION ‘ASSERTION Name’
CREATE ASSERTION, CHECK Predicate
SELECT ASSERTION

Discuss it

Question 15

Which of the following concurrency protocol ensures both conflict serializability and freedom from deadlock? (a)z - phase Locking (b)Time stamp - ordering

Both (a) and (b)
(a) only
(b) only
Neither (a) nor (b)

Discuss it

Question 16

Drop Table cannot be used to drop a Table referenced by __________ constraint. (a)Primary key (b)Sub key (c)Super key (d)Foreign key

(a)
(a), (b) and (c)
(d)
(a) and (d)

Discuss it

Question 17

For a weak entity set to be meaningful, it must be associated with another entity set in combination with some of their attribute values, is called as: