Distributed Revision Resources (Exam Questions 2019)

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Distributed Revision Questions 2019 Preview

1.Distinguish between the link-register model, and the message-passing model in which each channel has unit capacity. Then implement the link-register model using the message passing model.

2. A keyboard process K sends an arbitrarily large stream of key-codes to a process P, which is supposed to store them in the memory. In addition to receiving the inputs from K, P also executes an infinite computation G. The channel (K, P) has a finite capacity. Explain how K and P will communicate with each other in the following two cases:

(a) k uses blocking send, and P uses nonblocking receive

(b) k uses blocking send, and P uses blocking receive

Comment on the progress of the computation in each case.

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Distributed Revision Resources (Exam Questions 2019)

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