Flextronics Technical Placement Paper

Company: Flextronics Technologies

Aptitude & Technical Questions :

## Aptitude Questions

1. Time and distance

2. Age problem

3. Coin

4. direction problem

5. ( 10n 1) n>1 when is divisible by 11.no divisible by 8

6. (2n + 2 n-1/2 n+1 2n) what is gives if n = something

7. find the missing no. when it is divisible by some no

8. Boat problem

9. Average

## Technical Questions :

10. Which one is called family tree

12. DHCP protocol

13. order of insertion and Heap sort

14. left recursion

15. find output: for(l=1;a<=l;a++) cout<<++a; cout <

16. DEBUG trigger (oracle)

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

18. NEXTVAL and CURRENTVAL in sequence (Oracle)

19. Unix system call like Var( )

20. OS 384 support which memory management

21. Complexity to access name from the given double link list

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

23. If duplicate segments , file are there in hardisk which is best for management
a) FAT
b) SAT

24. stop n wait protocol is associated with which layer

25. find errors from the c and c++ codes.

26. 3 questions on operating systems. One question on algorithm

27. Using which pin it’s possible to address 16 bit addresses even though there re only 8 address bits in 8085?
Ans: ALE

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

29. Quality factor indicates
a) Quality of inductor
b) quality of capacitor
c) both

30. Questions related to bridges, routers and generators, which OSI layer they corresspond to.

31. OPAmp’s I/P ciurrent, O/p current and CMRR is given, what is the voltage gain

32. 2-3 questions on scope of static variables in C.

33. Question to print a value of a pointer

34. OPAmp’s I/P ciurrent, O/p current and CMRR is given, what is the voltage gain

35. A question to find the physical address from a given virtual address, virtual to physical address table was provided

36. 6 bit mantissa and 8 bit exponent can present what maximum value?

37. 4 bit window size in sliding window protocol, how many acknowledements can be held?

38. Security functionality is provided by which layer of OSI

39. Frequency spectrums for AM, FM and PM (figure given, u’veto tell which Kind of modulation it belongs to)

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

41. Last stage of TTL NAND gate is called:
Ans: Totem Pole Amplifies

42. SR to JK flip flop conversion.
Ans: S=JQ’, R=KQ

43. LSB of a shift register is connected to its MSB, what is formed:
Ans: RING Counter

44. 2-3 Questions based on Demorgan’s laws (identiies: (A+b)’ = A’b’, etc)

45. Question on LAPB protocol

46. 2 questions on Logic gates (O/p of logic gates)

47. Difference in IRET and RET statements of 8086

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

49. Diff. in memory mapped and I/P O/P mapped Input/Output (Refer a book on Microprocessor)

50. Question on pipeline architecture

Flextronics Technical Placement Paper