1. LSB of a shift register is connected to its MSB, what is formed:

Answer : RING Counter

2. Using which pin it's possible to address 16 bit addresses even though there re only 8 address bits in 8085?

Answer : ALE

3. SR to JK flip flop conversion.

Answer : S=JQ', R=KQ

4. Virtual function and overloading

5. Which WAN network is suitable for the 100Km or m. distance network

6. Among AM and FM which is better and why?

7. How many address bytes are required to address an array of memory chips (4 * 6), each chip having 4 memory bits and 8k registers.

8. 6 bit mantissa and 8 bit exponent can present what maximum value?

9. Difference between IRET and RET statements of 8086                        

10. Last stage of TTL NAND gate is called as

Answer : Totem Pole Amplifie

11. In unrestricted session which system privilege mode is used (oracle)

12. Difference in memory mapped and I/P O/P mapped Input/Output 

13. LAPB protocol

14. Bridges, routers and generators, which OSI layer they corresspond to?

15. Unix system call ……like Var( )