ISRO Scientist or Engineer Computer Science 2007

Instructions

For the following questions answer them individually

Question 21

An Ethernet hub

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Question 22

Phasetransition for each bit are used in

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Question 23

Study the following programme
// precondition : x >= 0
public void demo(int x)
{
System.out.print(x %10); 

if( (x /10)! = 0)
{
demo(x / 10);
}
System.out.print(x % 10);
}
Which of the following is printed as a result of the call demo (1234)?

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Question 24

Bit stuffing refers to

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Question 25

Whatis the nameof the technique in which the operating system of a computer executes several programs concurrently by switching back andforth between them ?

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Question 26

If there are five routers and six networksin an intranet usinglink state routing, how manyrouting tables are there?

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Question 27

Virtual memory is

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Question 28

The level of aggregation of information required for operational controlis

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Question 29

The set of all Equivalence Classes of a set A of Cardinality C

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Question 30

0.75 in decimal system is equivalent to ....... in octal system

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