11.
'ptrdata' is
a pointer to a data type. The expression *ptrdata++ is evaluated as (in C++):
(1) *(ptrdata++)
(2) (*ptrdata++)
(3) *(ptrdata)++
(4) Depends
on compiler
Answer: 1
12. The
associativity of which of the following operators is Left to Right, in C++?
(1) Unary
Operator
(2) Logical
not
(3) Array
element access
(4)
addressof
Answer: 3
13. A
member function can always access the data in ................ , (in C++).
(1) the
class of which it is member
(2) the object
of which it is a member
(3) the
public part of its class
(4) the
private part of its class
Answer: 1
14. Which
of the following is not correct for virtual function in C++?
(1) Must be
declared in public section of class.
(2) Virtual
function can be static.
(3) Virtual
function should be accessed using pointers.
(4) Virtual
function is defined in base class.
Answer: 2
15. Which
of the following is not correct (in C++)?
(1) Class
templates and function templates are instantiated in the same way.
(2) Class
templates differ from function templates in the way they are initiated.
(3) Class
template is initiated by defining an object using the template argument.
(4) Class
templates are generally used for storage classes.
Answer: 2,3,4
16. Which
of the following is/are true with reference to 'view' in DBMS?
(a) A 'view'
is a special stored procedure executed when certain event occurs.
(b) A 'view'
is a virtual table, which occurs after executing a pre-compiled query.
Code:
(1) Only (a)
is true
(2) Only (b)
is true
(3) Both (a)
and (b) are true
(4) Neither
(a) nor (b) are true
Answer: 2
17. In
SQL, .................. is an Aggregate function.
(1) SELECT
(2) CREATE
(3) AVG
(4) MODIFY
Answer: 3
18. Match
the following with respect to RDBMS:
List - I
(a) Entity
integrity
(b) Domain
integrity
(c) Referential
integrity
(d)
Userdefined integrity
List - II
(i) enforces
some specific business rule that do not fall into entity or domain
(ii) Rows
can't be deleted which are used by other records
(iii)
enforces valid entries for a column
(iv) No
duplicate rows in a table
Code:
(a)
(b) (c) (d)
(1) (iii) (iv)
(i) (ii)
(2) (iv) (iii)
(ii) (i)
(3)
(iv) (ii) (iii) (i)
(4)
(ii) (iii) (iv)
(i)
Answer: 2
19. In
RDBMS, different classes of relations are created using ................... technique
to prevent modification anomalies.
(1)
Functional Dependencies
(2) Data
integrity
(3)
Referential integrity
(4) Normal
Forms
Answer: 4
20. ..................
SQL command changes one or more fields in a record.
(1) LOOK-UP
(2) INSERT
(3) MODIFY
(4) CHANGE
Answer: 3
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