Huawei Placement Paper

      Some Huawei sample  Questions 

1. standard error stream stderr,
       ans: are by defaultbuffered 

2. Named pipes are ansd:strictly unidirectional, even on systems where anonymous pipes are bidirectional (  full-duplex). 

3. proto type of printf
    ans: int fprintf(FILE *stream, const char *format, ...)

4. user level switcjing is faster than the kernel level s/w
    ans:since a trap to kernel is not required(user level thread is not known by the os)

5. automatic variables are stored in  

6. dynamic meory is it allocated from heap/satck...?

7. how to find the size of file in unix
   
   Technical

8.   How many times is the for loop executed 
      for(i=0;i<10;i++);
       a.    1
       b.   10
       c.   compiler error
       d.     not executed

9.  How many times is the for loop executed 
      for(i=0;i<10;i++);
      a.    1
      b.   10
      c.   compiler error
      d.   not executed

10.   for selection, we use
     a   .if..else
     b  .for loop
     c.  while loop
     d.....

11. Which of the following is executed 1rst?
      i .&& ii.|| iii.!
      a.   i
      b.  ii
      c.  iii
      d.  all are equal

12. To find o/p of a recursive pgm, function where in parameters are passed by value,reference......function used in    

       ansi computers to clear the screen is:                                                              
       a.    clrsc
       b.    clear
       c.    clescr
       d.     none of the above