1. If two dies are thrown simultaneously what is the prob. of one of the dice getting face 6 ?

a. 11/36               b. 1/3                c. 12/35             d. 1/36 [a]

2. About UDP one Address is given but that is not the state table what will it do the packet

a. packet is discarded
b. packet is sent to ethernet server
c. packet is sent to other address

3. Which of the following is correct statement.

a. 1's complement can have two zero representations
b. 2's ... ... represent an extra negative number
c. 2's & 1's have no difference in representing 16-bit no.

4. AX=B where A is mXn , b&X are column matrices of order m a. if m b.if m=n, rank of A

5. The option avialable in C++, not C :

a. dynamic scoping              b. declaration in the middle of code block                  c. seperate compiled and linked units

6. When head is moving back and forth, the disk scheduling algorithm is _______________

a) scan            b) sstf              c) fcfs

7. Cache access time 100 msec. main memory access time 800 msec if the hit ratio is 95% , what is mean access time

8. A chocolate block is of 4 X 4 size. How many cuts are needed to make 1 X 1 size blocks. No simultaneous vertical & horizontal cuts.

9. Relative addressing mode is used for ______________

10. What is the main property of Desiy I/O Sytem

11. CSMA/CD protocol is used in  __________

Answer : Ethernet

12. What the code will be said when it is called by another part and it is not completed yet

Answer : Reentrant Code

13. When following sequence is inserted in the binary search tree, number of nodes in left and right subtrees are

52 86 64 20
3 25 14 9 85

14. How many times the loop will execute

LOOP LXI B,1526H
DCX B
JNZ LOOP

a) 1526H times          b) 31           c) 21            d) 38

15. int a[4]={1,2,3,4};
int *ptr;
ptr=a;
*(a+3)=*(++ptr)+(*ptr++);

A part of code is shown. The elements in A after the execution of this code.

a.1 2 3 4              b. 1 2 3 6                   c. compilation error                  d.1 2 2 4 [a]