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Huges Sample Test Paper
1. Find the probability of getting a number with 7 between 100 and 999 (both inclusive).
2. There are 10 items in a box, out of which 3 are defective.
2 balls are taken one after the other.
What is the probability that both of them are defective?
3. Context free grammar is accepted by
a) finite automata
b) push down automata
c) two way bounded automata
d) both b and c
4. Which is not a memory management scheme?
a) buddy system
b) swapping
c) monitors
d) paging
Ans : c
5. Simplify the Karnaugh map given below and derive its expression in SOP form

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6. Question on NAND gates implementation.
7. Definition of Context Sensitive Grammar
8. An identifier can start with a letter followed by any number of letter or digits .
9. With the following configuration:
8MB total memory, 256kb cache , 4kb is block size.
Using direct mapping, how many different physical memory blocks can be mapped on
to the cache.
(a) 64 (b) 256 (c) 128
10. CSMA/CD is used in
11. In TCP/IP header, checksum contains
12. What is the maximum number of acknowledgements for a 4 bit sequence number in
a sliding window protocol.
13. Which is a good way of representing varaibles in recursion
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