1. Find the locus of
the point whose sum of distance from 2 fixed points is constant.
2. [-infinity to
+infinity]integration(exp(-x*x))
3. The product of any
3 consecutive nos is always divisible by _ ? options[12/6/10/24]
4 int i=0,j=50
while (i<j)
{
if(<some condtn>)
{
<body of the loop>
i++
}
elseif(<some condtn>)
{ <body of the loop>
j--
}
else(<some condtn>)
{<body
of the loop>
j--
}
}
How many times the
body of the loopis going to be executed?
options [unknown/25/50/depends on the given condtn]
5 How can you
include a library code written in C++ in a source code written in C? (Options are there)
Ans. Some
cross-linked platform(compiler) is required for this.
6 int a[20],i
for(i=0;i<20;i++)
{
a[i]=i;
}
for(i=0;i<20;i++)
{
a[i]=a[20-i]
}
What is the
final content of the program.
7 Which data
structure should be used for searching an element in an array in constant time
in case of average case?
Ans. Hash table(not sure)
8 One question on
ISO OSI model.easy one(not remembered)
9 Another question abt. a protocol
Ans. Token/Ring
10 If we want to
connect two systems to form a network which leyer(OSI) is of most interest to
us?
Ans. Physical
layer.
When compiled from command line what are linking options?
2 You have written
a code in C++, and u have to use a C library ,
what would u do?
(Ans: write
extern "c" in header files)
3 Fiber optic
backbone is in which OSI layer?
4 void main()
{
int x=1;
int y=1;
int i;
for(i=2;i<=100;i++)
{
x=x+i;y=y*(i+1)/(i-1);
}
What are the
values of x & y?
5 If we carry out
operation (-3)+(-6),then which of the what will be the value of carry and sign flag?
6 void abc(int a[])
{
int k=0;int
j=50;
while(k<j)
{
if(a[i]>a[j])
k++;
else
j--;
}
How many times
the loop will occur?
7 Integrate e^(x^-2)dx , with limits
-infinity to +infinity?What is the final
value?
8 Let p be a 16 bit number.The 2's
complement of p will be represented by?
9 void main()
{
int
a[]={5,4,3,2,1};
int x,y;
int *p=&a[2];
*p++;
x=++*p;
y=*(p++);
printf("%d %d",x,y)'
}
What will be
the value of x and y?
10 Let there be a
set of 3 numbers.Then number of groups possible?
11 A question on
some technique used in DA-converter?
12 Which data
structure to use for fastest search?
13 A binary tree
contains 1024 elements.What is maximum number of comparisons needed to search an element?
14
s=1-1/4+1/16-1/32...... What is the value of S?(Ans = 0.8 Hint Its a GP)
15 A C++ class has
multiple references to base class.Then some
options were given?
16
for(i=0;i<20;i++)
{
a[i]=i;
}
for(i=0;i<20;i++)
{
a[i]=a[19-i];
}
What is final
value of array a? Options were there.
17 In Java can a
variable be initilised inside a loop?
18 Two dices are
thrown.What is the probality that the the number on the first dice is greater or equal to number
on the second dice?
