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Alumnus Placement Papers 


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.

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