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Hughes Technical Test 31st December 2010

Posted on :01-04-2016

Q1. Which is used to store hard disk sector info                                              
   
a. EEROM 
b. ROM 
c. RAM 
d. CMOS


Q2. IPv6 has how many bytes for its address?

a. 8
b. 12
c. 16


Q3. Intel 386 support which memory management?

a. paged
b. segmented
c. paged segmented


Q4. Which one is called family tree?

a. B+ 
b. Binary
c. AVL


Q5. If duplicate segments, file are there in hard disk which is best for management?

a. fat 
b. san 
c. raid (may be) 


Q6. What is the output of the following program?

for(l=1;a<=l;a++)     cout<<++a;cout<                                                                                          
a. 21
b. 22
c. 23
d. none


Q7. Valid system privilege in restricted session? 

a. create user
b. create session
c. restricted session


Q8. If a LAN with 100 mbps is there which WAN can give same features?

a. ATM 
b. ISDN 
c. x.25 


Q9. What is the array to the pointer?

nt a[4]={1,2,3,4};

a. int *a[4]
b. int (*a)[4]


Q10. Sliding window occurs in which layer?                

a. session layer
b. transport layer
c. application layer
d. presentation layer


Q11. Complexity to access name from the given double link list?   
                                
      |A|-->|B|
      |   |<--|   |

a. O (n)
b. O (n **2)
c. O (n log n)


Q12. What happen, when interrupt occurs to CPU?


Q13. What is the order of insertion sort and Heap sort?


Q14. What are the NEXTVAL and CURRENTVAL in sequence (Oracle)?


Q15. What are virtual function and overloading?


Q16. Find output: 

for(l=1;a<=l;a++)
cout<<++a; cout <


Q17. Which WAN network is suitable for the 100 Km or m. distance network?


Q18. OS 384 support which memory management?


Q19. What is pipeline architecture?


Q20. How many address bytes are required to address an array of memory chips (4 * 6), each chip having 4 memory bits and 8k registers?


Q21. Difference in IRET and RET statements of 8086.                  


Q22. LSB of a shift register is connected to its MSB, what is formed?

ANS: RING Counter


Q23. SR to JK flip flop conversion. 

ANS: S=JQ, R=KQ


Q24. Last stage of TTL NAND gate is called? 

ANS: Totem Pole Amplifier


Q25. Among AM and FM which is better and why?


Q26. Stop and wait protocol is associated with which layer?


Q27. Using which pin it is possible to address 16 bit addresses even though there are only 8 address bits in 8085? 

ANS: ALE


Q28. Voltage gain for an amplifier is 100 while it is operating at 10 volts. What is the O/P voltage when i/p is 1 volt?


Q29. OP Amps I/P current, O/p current and CMRR is given, what is the voltage gain?


Q30. Quality factor indicates 

a) Quality of inductor 
b) quality of capacitor 
c) both


Q31. 6 bit mantissa and 8 bit exponent can present what maximum value?


Q32. Give the Frequency spectrums for AM, FM and PM.


Q33. 4 bit window size in sliding window protocol, how many acknowledgements can be held?


Q34. Security functionality is provided by which layer of OSI?


Q35. Question to print a value of a pointer.


  
   






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