1.

      key  constraints are .....for...
       (a)  secondary key
       (b)  primary key
       (c)  foreign key                                                                                                       
      (d)...
   2.

      If a sinusoidal signal of 1100Hz is flat top sampled at a rate of 1800Hz,& this signal is passed through an ideal LPF with cutoff 1KHZ,the o/p contains the following frequency components: (This question was repeated again in the same paper !!!)
       (a)only 800Hz
        (b)...
        (c)...
        (d)...
   3.

      TRAP is _____interrupt
       (a)synchronus
        (b)asynchronus
        (c)hardware
        (d)...
   4.

      When the instruction RST is executed, the control jumps to location:
       (a)0020
       (b)0024
       (c)0028
       (d)none of the above   
   5.

      A memory cell in static Random Access Memory is made up of:
      (a)6 mos transistors---ans
      (b)1 mos transistor and 1 capacitor
      (c)4 mos transistors and 2 capacitors
      (d)...
   6.

      Worst case algorithm is meant for the case
       (a)when sometimes favourable
       (b)when worst unfavourable
       (c)...
       (d)...
   7.

      A semaphore with negative count n(s=n) has how many processes in the Q?
       (a)0
       (b)n
       (c)n+1
       (d)n-1
   8.

      If in a PCM system the no of bits used is increased from n to n+1,the signal-to-noise ratio improves by
       (a)3dB
       (b)6dB                                                                                                     
       (c)20ndB                                                                                                                           
        (d)24ndB
   9.

      2 trains of length 110m & 90 m travelling at 45kmph & 50 kmph respectively..when will they pass each other?
      (a)144mins
      (b)102mins
      (c)..
      (d)...
  10.

      From a circular sheet of radius 10cm , 40% is cut off & from the remaining portion a cone is constructed, what is the ratio of the radius of the cone to its height?
  11.

      If a vessel contains 56 litres of a mixture of milk & water in the ratio 3:2..what amount of water should be added to make the ratio 4:5?
  12.

      2 pipes fill a cistern in 12 mins,pipe A is 3 times faster than pipe b...if only pipe B has to fill the cistern ,how long will it take?
       (a)1hour
       (b)2hours
       (c)..
       (d)..
  13.

      #define ADD(X,Y) X+Y                                                                                                   
        main()
           {
        #undef ADD(X,Y);
          fun();
         }
        fun()
         {
         int y=ADD(3,2);
         printf("%d",y);
       }
      o/p?
      Runtime error(linker error): _add undefined in module
  14.

      Which of the following is illegal
        (a)void v;
        (b)void *v;
        (c)void **v;
        (d)all are legal
  15.

      #define int INTEGER/*line1*/
      #define INTEGER int/*line 2*/
       main()                                                                                                                           
         {
       INTEGER p=10;/*line 5*/
       printf("%d",p);
        }
      o/p?
       (a) compiler error at line 1
       (b) compiler error at line 2
       (c) compiler error at line 5
       (d) No error,prints 10
       ans:c