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Placement Papers>>Hello

# Hello Placements

Sample Question Paper

1. What is diners phylosophers algorithm.
2. What is atomicity.Explain
3. Give an example of source- level debugger in unix/linx.
4. What is Pre-emptive multitasking.
5. Do not remember this one.

DataStructures: (ONly 5 Questions)

1. Where will the parameters be stored when a function is called in a program.
2. What is recursion?What are its disadvantages.
3. Which one is the best and efficient sort?

Networking:(Only 5 Questions)

1. ASN.1 belongs to which layer.
2. Give an example of popular Transport Layer Protocol
3. What is the netmask of Class B IP address?
4.  Explain CSMA/CD.
5. Given a size from 0-7 what would be the least window size.

C Language (Total 13 Questions)

1. main()
{
printf("%d",printf("HelloSoft"));
} Output?
2. case 1: case 2:
typedef Struct { typedef Struct {
int a; char p;
char b; int q;
int d; char k;
char e; int l;
}A; }A;
Assuming 'packing' is not enabled, which case will give an error of Sizeof(A) less.
3.  main()
{
int i=3;
printf("%d %d %d",i++,i,++i);
}
4. main()
{
int i=10;
int j,k=5;
int a[10];
for(j=0;j<10;j++)
a[j]=(i+k)+(i*k);
}
Optimize the above code.
5. Write In Order Tree Traversal Pseudo-code.
6.  main()
{
int *p=0x100;
int *q=0x100;
int k=p*q;
printf("%x\n",k);
} Output ?
7. Char* foo(Str...) {
char str[4];
strcpy(str,"HelloSoft");
return str;
} Output?
8. int a[10][20][30][40];
int *p
How to access an element of a using p?
9. main()
{
int i=10;
if(i>20)
if(i==10)
print("Hi");
else
printf("Bye");
} Output ?
10. main()
{
float f;
int i;
//something like this   not remember these 4 questionsexactly
f=(float *)malloc(sizeof((float *)*4));
}
Some Question was asked  not remenber .

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