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The number of cross point needed for 10 lines in a cross point switch which is full duplex in nature and there are no self connection is
Answer & Solution
Correct Answer:
Option
B
As all lines are full-duplex and there are no self connections, only the cross points above the diagonals are needed. Hence formula for the number of cross points required is n(n-1)/2.
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Loginn = 10
then
10(10-1)/2
=10*9/2
=90/2
=45