HCL

1.which of the following involves context switch,
a) system call b)priviliged instruction
c)floating poitnt exception
d)all the above
e)none of the above
ans: a


2.In OSI, terminal emulation is done in
a)semion b)appl.. c)presenta... d)transport
ans: b


3....... 25MHz processor , what is the time taken by the instruction which needs 3 clock cycles,
a)120 nano secs  b)120 micro secs
c)75 nano secs  d)75 micro secs




4. For 1 MBmemory no of address lines required,
a)11 b)16  c)22   d) 24
ans: 16


5. Semafore is used for
a) synchronization  b0 dead-lock avoidence
c)box  d) none
ans : a




6.  class c: public A, public B


a) 2 member in class A,B shouldnot have same name
b) 2 member in class A,C    " ''    ''   ''
c) both 
d) none


ans : a




7. question related to java




8. OLE is used in


a)inter connection in unix
b)interconnection in WINDOWS
c)interconnection in WINDOWS NT


9.No given in HEX ---- write it in OCTAL


10.macros and function are related in what aspect?
a)recursion  b)varying no of arguments
c)hypochecking d)type declaration


11.preproconia.. does not do one of the following
a)macro ......  b)conditional compliclation
c)in type checking d)including load file


ans: c


             SECTION B
             __________


1.enum day = { jan = 1 ,feb=4, april, may}
what is the value of may?
a)4 b)5 c)6 d)11
e)none of the above




2.main
{
int x,j,k;
j=k=6;x=2;                           ans x=1
x=j*k;
printf("%d", x);


3. fn f(x)                   
                                    
{ if(x<=0)
  return;                          ans  fn(5) ....?
else f(x-1)+x;
}




4. i=20,k=0;
for(j=1;j
{
k+=j<10?4:3;
}


printf("%d", k);            ans  k=4




5.  int i =10
main()
{
int i =20,n;
for(n=0;n<=i;)
{
int i=10
    i++;
}
printf("%d", i);              ans i=20


6. int x=5;
    y= x&y
( MULTIPLE CHOICE QS)
ans :  c




7.  Y=10;
 if( Y++>9 && Y++!=10 && Y++>10)
printf("........ Y);
else   printf(""....  )




ans : 13




8. f=(x>y)?x:y
a) f points to max of x and y
b) f points to min of x and y
c)error
d) ........


ans  :  a




9. if x is even, then


(x%2)=0
x &1 !=1
x! ( some stuff is there)


a)only two are correct
b) three are correct
c), d)  ....




ans  :   all are correct


10.  which of the function operator cannot be over loaded


a) <=
b)?:
c)==
d)*


ans:  b and d