Placement Papers - Hexaware

PAPER: HEXAWARE PLACEMENT PAPER (TECHNICAL)

Directions for questions 1-10: Expand the following terms:-
 
1. ODBC
 
Ans: Open Database Connectivity.
 
2. HTML
 
Ans: Hyper Text Markup Language.
 
3. RISC
 
Ans: Reduced Instruction Set Computing.
 
4. ASCII
 
Ans: American Standard Code For Information Interchange.
 
5. ANSI
 
Ans: American National Standard Institute.
 
6. XML
 
Ans: Extended Markup Language.
 
7. FLOPS
 
Ans: Floating Point Operating Per Second.
 
8. SQL
 
Ans: Sequential Query Language.
 
9. QBE
 
Ans: Query By Example.
 
10. ALE
 
Ans: Address Latch Enable.
 
11. What is lagging in DBMS?
 
Ans: Reduced Redundancy.
 
Directions 12 to 20: For the following questions find the odd man out.
 
12. Unix
 
OS/2
 
CMOS
 
MSDOS
 
Ans: CMOS.
 
13. Oracle
 
Informix
 
Sybase
 
LISP
 
Ans: LISP
 
14. Laser
 
Inkjet
 
Dotmatirx
 
Mouse
 
Ans: Mouse
 
15. Dir
 
Cls
 
Csh
 
Copy
 
Ans: Csh
 
16. Bit Byte
 
Nibble
 
Digit
 
Ans: Digit
 
  17. Hard Disk
 
Floppy Drive
 
CD ROM
 
Cache
 
Ans: Cache
 
18. SQL
 
QUEL
 
QBE
 
ORACLE
 
Ans: Oracle
 
19. C++
 
JAVA
 
VC++
 
PASCAL
 
Ans: PASCAL
 
20. Projection Operation
Selection Operation
Intersection
Set Difference Operation
 
Ans: Intersection
 
21. Which of the following is a universal gate?
 
(a) OR
 
(b) AND
 
(c) XOR
 
(d) NOR
 
Ans: NOR
 
22. The default back end of the VB is
 
(a) Oracle
 
(b) Sybase
 
(c) Informics
 
Ans: Sybase
 
23. What is meant by Superconductivity?
 
Ans: No reistance
 
24. Viscosity
 
Ans: Friction
 
25. What is the Lock Based Protocol used for?
 
Ans: Concurrency Control in DBMS.
 
Directions for question 26 to 32: Convert the decimal numbers on the left to the required form.
 
26. 9\'s complement of 28
 
Ans:71
 
27. Binary of 58
 
Ans: 111010.
 
28. Octal of 359
 
Ans: 547
 
29. Hexadecimal of 650
 
Ans: 28A
 
30. BCD of 18
 
Ans: 0001 1000
 
31. BCD of 34.8
 
Ans: 0011 0100.1000
 
32. Excess-3 code of 6
 
Ans: 1001
 
33. Excess-3 code of 9
 
Ans: 1100
 
34. If Ax + By = 1F16;
 
Cx + Dy = 2510.
 
Find the value of x and y?
 
35. Semaphore is used for
 
(a) Synchronization
 
(b) Dead-lock avoidance
 
(c) box
 
(d) none
 
Ans: A
 
36. For addressing 1 MB memory, the number of address lines required,
 
(a) 11
 
(b) 16
 
(c) 22
 
(d) 24
 
Ans: B
 
37. Which of the following remains in memory temporarily
 
(a) Resident portion of COMMAND.COM
 
(b) Transient portion of COMMAND.COM
 
(c) API
 
(d) Disk BIOS
 
Ans: B
 
38. Pick the odd man out
 
(a) IO.SYS
 
(b) MSDOS.SYS
 
(c) ROM-BIOS
 
(d) COMMAND.COM
 
Ans: c
 
39. OS/2 is a
 
(a) Single User OS
 
(b) Multi User OS
 
(c) Multi Tasking OS
 
(d) None of these
 
Ans: C
 
40. Bootstrap loader program is a program belonging to
 
(a) ROM startup software
 
(b) ROM extension software
 
(c) ROM BIOS software
 
(d) ROM Basic software
 
Ans: A
 
41. The entry of starting cluster of a file is present in
 
(a) Boot Parameters
 
(b) Directory
 
(c) FAT
 
(d) Partition Table and master boot program
 
Ans: C