Company: CONVERGYS India Services Pvt Ltd
1. ——— acts as a command interpreter
A) Unix shell b) kernel c) d) ans) a
2. Combine $x=1;[x -ge 10] into a single statement
3. Wats the output of the code snippet
echo hello
Eval echo Hello
Eval echo eval Hello
Ans: hello
Hello
Hello
4. What does $* represent
5. Which statement is true to dbms?
a) Collection of data
b) Collection of interrelated data and set of programs to access that data
c) Collection of inter related data no need of any programs
d) Collection of data and set of programs
Ans) b
6. Values should dependant on primary key in which normal form?
a) 1 NF b) 2nf c) 3nf d) 4nf
7. Mathematical representation of joining tables ———-
a) Union b) c) Cartesian product d)
8. Question on data objects and constraints
9. Use of normalization?
a) Reducing redundancy b) little storage space c) d) all the above
ANS)d
10. What r the types of joins below
A) Interior & outer b) inner and outer joins c) d)
Ans) b
11. C++ —15 q(15 min)
The code that could be written in which block to raise exceptions?
A) Catch b) try c) finally d) none
Ans) b
12. Some programs on pointers some tricky questions
13. By using which keyword we can’t change value after initialization?
a) Int b) c) d) const
Class one
{
enum {name1,name 2, name 3}
}
Wt is the value of name 2
a) 0 b) 2 c) 1 d) 3
(this question is not full, like this only)
ans) c
14. Which of the following is true for constructor?
a) b) c) d) constructor can not be inherited
15. i=0
While($i –le 10)
do
i=’expr$i+1’
done>file
a)0 b)1 c)2 d)3
16. Class Base
{
Base( )
{
Cout<<”Base”;}};Class Derived: public Base{Derived( ){Cout<<”Derived”;}};void main( ){Derived d;}a)base b)base derived c)derived d)derived base.17. Relation of an entity to itself is known asA) one to many B) one to one 3) Recursive 4)??18. A relation in RDBMS can exist between_______ entitiesA) min 2 B) Atleast 1 3)three 4)none of these19. 5th Normal Form depends uponA) Multivalued Dependencies B) Functional Dependencies C) ?? D) ??20. Which of these is not TRUE abt the joint and the unionA) Join is always costlier than unionB) Union always acts upon columnsC) Union always acts upon rowsD) Join always acts upon columns(The options were similar to this one not exactly these)21. In a Left outer joint operation what will be returnedA) Left table returns all rowsB) Right table returns all rowsC) Both tables return all rowsD) Right table returns NULL22. A function in a Class by default isA) Virtual B) Inline C) Pure Virtual D) None of these23. Three numbers are given ..u need to decide which two are similar or if all three are different or similar.1. 8849651 2. 8849561 3. 8849651a) 1&2 are same b) 2&3 are same c) all are same d)1 & 3 are same e)all are differentANS: d24. Niziamuddin 2. Nizeamuddin 3. Niziammudina) 1&2 are same b) 2&3 are same c) all are same d)1 & 3 are same e)all are differentANS : e25. Even great people are ___________________ (1) by some questions.1.a) bamboozled b)Challenged c)stump d) defeated