Placement Papers - IBM

IBM Campus Placement Paper (Technical)

Paper: IBM Campus Placement Paper (Technical)
 
1. An attribute in a table that is related with primary key of the another table is called...
 
Ans : Foreign key
 
2. The scope of the static variable is...
 
Ans : function
 
3. Which of the following has the function scope?
 
A. Automatic
B. Static
C. Global
D. Goto label
E. All the above
 
Ans : E.
 
4. Which one of the following is not related with files?
 
A. fopen
B. fclose
C. freopn
D. fftell
E. none
 
Ans: D
 
5. Which one of the following is not a keyword?
 
A. volatile
B. inc
C. sizeof
D. default
E. none
 
Ans : B
 
6. Rom is
 
Ans : non Volatile, cannot be changed and it contains boot up program.
 
7. How many different binary trees can be formed by 4 nodes?
 
Ans : 12 Note:(2 power n) " n
Jagan- ans: 14 (quetion 25 in 191 page)
 
For 3 nodes ans is 5.
 
8. char *p = (char *)10 means
A.It points to the value at address 10.
B.It returns the character whose ASCII value is 10.
 
Ans : A
 
9. Running time of a function f(n)=8T(n/2)+qn for n>1, where q is a constant...
 
Ans : n power 3. (Check the answer)-correct
 
10. Order of Bubble sort
 
Ans : O(n power 2)
 
11. Writing comments
 
A. Increases .exe file size.
B. Is a good programming practice.
c. Takes more compilation time.
 
Ans : B.Is a good programming practice.
 
12. Convert the following decimal number into Hex number... 10767
 
Ans : 2A0Fh
 
13. Vector processing means
 
Ans : Processing the column vector elements parallelly.
 
14. Constant member function can be loaded with
 
A. Constant member function.
B. Static member function.
C. Cannot be overloaded.
 
Ans : C. Cannot be overloaded.
 
15. By using which of the following functions, we can access the members of the two instances of a same class
 
A. Member function.
B. Friend function
C. Both A and B.
D. Neither A nor B.
E. none.
 
Ans : C.
 
16. Exception specification is in c++ to provide
A. Documentation
B. Object oriented ness
C. Error handling
 
Ans : c
 
17. Which one of the following is a parse generator?
 
A. YaCC
B. Lex
C. Vi
D. Emac
E. none
 
Ans : YaCC
 
18. In a communication model, we can communicate in both directions, but only one at a time. So the system is called
 
A. Simplex
B. Half duplex
C. Full duplex
D. none.
 
Ans : Half duplex