1. What is the Lock Based Protocol used for?

Answer : Concurrency Control in DBMS

2. Semaphore is used for

(a) Synchronization
(b) Dead-lock avoidence
(c) box
(d) none

Answer : A

3. Bootstrap loader program is a program belonging to

(a) ROM startup software
(b) ROM extension software
(c) ROM BIOS software
(d) ROM Basic software

Answer : A

4. Find the reminder when 333666777888999 is divided by 3 or 9 or 11 ?

5. There is a room with 6' x 8'. A 1' tile is fixed along the 4 walls in one row. How many 1" tiles require to finish the work.

Answer : 24

6. A person's salary is getting reduced by 20%. What percentage should be added to get back his original salary?

Answer : 25%

7. A cylinder is inserted in a sphere d/h = 2/3. Find the surface area of the cylinder?

8. Which is the biggest perfect square amongst the following:-

15129, 12348, 23716, 20736

9. BCD of 34.8

Answer : 0011 0100.1000

10. If Ax + By = 1F16;
Cx + Dy = 2510.

Find the value of x and y?

11. What is meant by Superconductivity?

Answer : No reistance

12. FLOPS

Answer : Floating Point Operating Per Second

13. ASCII

Answer : American Standard Code For Information Interchange

14. Which of the following is a universal gate?

(a) OR

(b) AND

(c) XOR

(d) NOR

Answer : NOR

15. Excess-3 code of 9

Answer : 1100