Hewlett Packard (HP) Sample Test Paper -3

November 27, 2007 · Filed Under Hewlett Packard (HP) Placement Papers, Placement Papers 



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Question Consist of 4 parts. Duration of exam is 60 min.

*

C———20Q
*

C++ —-15Q
*

Unix—–15Q
*

Apptitude–15Q

C And C++

1.

i=23, j=4, c=0;
c=i++-++j;
o/p?
2.

#define CUBE(x) x*x*x
#define MUL3(x,y) 3*x*y
#define ADD(x) x+y
some statement maikng use of the preprocessors defined above…………find o/p.
3.

virtual destructors r used for ?
4.

2 questions on friend functions & classes
5.

char c[]=”123456789″;
i=4;
printf(”%c %c”, c[i], i[c]);
o/p?
one more question on these lines.
6.

int *ptr;
p=0;
p++;
printf(”%u”, p);
o/p?
a. 0 b. garbage value c. 4 d. none of the above
7.

double i=0.0;
switch(i)
{
case 0.0:
printf(”jgdj”);
case 1.0:
printf(”ptoy”);
break;
default:
printf(”hdfv”);
}
o/p?
8.

volatile int i;
in d above statement, is “volatile”
a. a type declaration b. type qualifier c. storage class d. none of the above

Unix

1.

“bash” is a kind of shell in UNIX
2.

primitive flavours of unix
options : a. BSD &Sys V b. LINUX & BSD c..
3.

which of the folllowing is used 4 redirection in UNIX? >, |, <, ^
4.

wot is d UNIX terminology 4 multi-tasking?
a. time slicing b. pre-emptive ……. c. time division d…….
5.

In UNIX if You try accessing a directory for which u dont have permission, wot message is displayed?
a. permission denied b. invalid user c. access denied d………

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