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Prepare 4 - Technical - C & C++ by inautix

Details of Prepare 4 - Technical - C & C++ by inautix conducted by inautix for job interview.
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Nautix C,C++ & Unix paper:

                   C++ paper:

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

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

what is the use of scope resolution operator?

Advantage of inline function?

copy constructor is
      ans:call by value.

ques on vertual destructor?

template one ques?

one q, on container class?

C paper

 How will u terminate the statement?
      ans: ;

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

 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

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

one q,s on do loop?

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

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:

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

awk $2

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

Which signal u can,t catch?
      ans:sigkill

Core dump is due to ?
     ans:segmentation fault.

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

process synchronisation is done by ?
          ans:s,phore