Technical - C & C++ Paper - 4

Nautix C,C++ & Unix paper:

C++ paper:

1. cin is an
   a.function
   b.object
   c.class.

2. I con,t remember the ques but the ans is Virtual base class

3. what is the use of scope resolution operator?

4. Advantage of inline function?

5. copy constructor is
   ans:call by value.

6. ques on vertual destructor?

7. template one ques?

8. one q, on container class?
   

C paper

1. How will u terminate the statement?
   ans: ;

2. select the wrong one
   a. a+=1;
   b. a*=2;
   c. a**=1;(ans)
   d. a>>=1;

3. main()
   {
   int n,i=1;
   switch(n)
   {
   case 1:
   some stuff;
   case 2:
   some stuff;
   default:
   i=10;
   }
   printf("i=%d",i);
   }
   what will be value of i;
   ans:non of the above

4. pick ut the wrong one
   #typedef some stuff
   {
   ---
   };

5. one q,s on do loop?

6. pick the odd one
   a. malloc
   b. calloc
   c. new(ans)

7. char *ptr;
   p=malloc(20);
   How will u de allocate the memory?
   a. delete.
   b. free.
   There r about 20 q,s in this section rest i am un able to remember?

UNIX paper:

1. How will u do version maintaince?
   sccs(source code control system)

2. awk $2

3. A program in shell script?
   find the o/p.

4. Which signal u can,t catch?
   ans:sigkill

5. Core dump is due to ?
   ans:segmentation fault.

6. Echo "todays date is ,date,";
   o/p = ?

7. process synchronisation is done by ?
   ans:s,phore