16. Which one is not related to Data link layer?

17. Which one is not suitable for client-server application? tcp/ip,message passing,rpc,none of the above.

18. What is SQL. Procedural Relational DB Query Language.

19. Indexing in databases give you options were like 1.efficient deleting and inserting

2.efficient deleting.

etc.

20. int a=1,b=2,c=3;

printf("%d,%d",a,b,c);

What is the output?

21. Scope of Static Variable ............ in a file.

22. for(i=0; i<=10;i++,printf("%d",i)); +- (+- is there in the questions)

23. Real Time Os should have

a)fast context switch b)Virtual memory etc.

24. Messages are transferred in some E71 code, where after 7 bits of data, 1 bit of stopping data is to be transferred. what should be done. options were like

a) send directly

b) send after encoding

etc.

25. There are three processes A, B, C. A sends data to B. B removes the header stores it and sends the data to C. C returns it to B. B receives the message, identifies the message and adds the header that was stored and sends to A.B receives the messages from C such that atmost 'm' messages B are pending. Identify the best Data Structure.

26. A question in compiler about the heap and stack allocation of memory.

27. struct { char a[3]; int b; }x; char *cp;

a) size of x is 7. B b) c) d) cp takes the size of a pointer. (d ) is the ans.

28.a logic ckt is given and asked to identify the configuration.

ans: XOR.

29.multi vibrator with nor gates is given

ans: astable multi sqr wave opt.

30.4 stage ripple counter with delay(f/f) 10msec. How much time it takes for a state to change. 4*10=40.

31 impedence of a p'lel resonant circiut at resonance:R.

32 .serial to parellel conversion is done by ans:shift register.

33. if the address bus id 20bits.then the memory space is 1Mb.

34.filtering can be done with:capacitor,iductor,both,none.

35.the config that is worst effected by low CMMR

ans:Non inverting amplifier.

36.two progs are given. one satrts counting frm 0 to MAX and the other stars frm MAX to 0. which one executes fast.may be Max to 0.Think of.it should be.

37. the fctn of datalink layer is:bit stuffing.

38.which of the following is not fctn of datalink layer: Encryption.

39.voltage levels of rs232x:+12,-12.

40.which of the following is not used for client/server. RPC,TCP/IP,MESSAGEQs None ans:may be none.

41. which of the following is true.

ans:the primary key in DataBAse design is very important.

42. SQL is a Non procedural query language.

43.Data structure used to implement a menu: doubly linked circular linked list.

44. some regular expression is given:WaW'.may be it is context free grammar.

45.the feature of real time os is: fast context switching.

46.os implements protection with the help of hardware(like virtual addressing in 386/286 etc).

47. what is a real time system.

48. name some real time OS

49. what are the characteristics of Real time OS.

50. is DOS a real time OS.

51. what is a kernel,shell.

52. what is binary search, traversal, hashing etc.

53. given a scenario what is the suitable data structure.

54. write a code to count the no. of 1's in a binary rep. of a number. memory taken for char *, int * etc.

55. char *cp; int *ip; cp++,ip++ - what is the result.

56. compare the no. of bytes in unix and Dos for long char short int.

57. how to make programs portable on unix and Dos under such circumstances.

58. in c++, what is a constructor, destructor, friend etc.

59. what is waterfall model, prototype model etc.

60. what is testing. what is unit testing, integration testing etc.

61. What is indexing in databases?

62. What is atomicity?

63. Can recursive pgms be written in C++, Write a recursive pgm to calculate factorial in c++.

64. What is best data structure to store the processes info in a real time operating system?