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UGC-NET | UGC NET CS 2016 July – III | Question 27

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A pure ALOHA Network transmits 200 bit frames using a shared channel with 200 Kbps bandwidth. If the system (all stations put together) produces 500 frames per second, then the throughput of the system is ______.
(A) 0.384
(B) 0.184
(C) 0.286
(D) 0.586


Answer: (B)

Explanation: Throughput(S) in pure aloha is G * e-2G:
It is maximum when G = 1 / 2.
i.e. S = 1 / 2 * (2.71)-2 * 1 / 2 =1 / 2 * (2.71)-1 = 0.184.
So, option (B) is correct.


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Last Updated : 24 Apr, 2018
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