how many context switches occur whenever application processes are multiplexed

Sanjay Sharma asked Apr 1, 2017

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Sanjay Sharma asked Apr 1, 2017

Sanjay Sharma

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Correct Answer is C) 4

rude answered Apr 1, 2017 • selected Apr 15, 2017 by rude

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damz1499 asked Nov 7, 2022

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Consider a system having 22 resources of the same type. These resources are shared by 4 processes P, Q, Rand Shaving peak demands of 3, 6, a and b respectively. How many ordered pairs (a, b) are possible, such that the system is deadlock free?

damz1499

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damz1499 asked Nov 7, 2022

Operating System
deadlock-prevention-avoidance-detection
combinatory
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tishhaagrawal asked Dec 4, 2023

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MadeEasy Test Series 2024 - In this question they have asked about the number of context switches that are happening. (Excluding the first and the last context switch). I am getting the answer as 5, according to the answer key it should be 6. I am not pre-empting process P when Q arrives as P has a higher priority than Q, in the solutions they have done the exact opposite, can anyone please tell me whether my approach is correct or I am missing onto something.

tishhaagrawal

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tishhaagrawal asked Dec 4, 2023

Operating System
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operating-system
made-easy-test-series
process-scheduling
self-doubt
test-series
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Prateek Dwivedi asked Jun 27, 2015

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'm' processes share 'n' resources of same type. The maximum need of each process does not exceed 'n' and the sum all their maximum needs is always less than m+n. In this setup deadlock can occur or not?

This is a question from Operating System concepts by Silberschatz, Gagne and Galvin. On very first go I could make that in such a situation deadlock can never occur. But ...

Prateek Dwivedi

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Prateek Dwivedi asked Jun 27, 2015

Operating System
deadlock-prevention-avoidance-detection

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aaliya asked Aug 16, 2017

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How many data cache misses will occur in total
Consider a machine with a byte addressable main memory of 216 bytes. Assume that a direct mapped data cache consisting of 32 lines of 64 byte each is used in the system. A 50* 50 2-d array of bytes is stored in the mm starting ... the contents of the data cache do not change in between the two accesses. How many data cache misses will occur in total?

Consider a machine with a byte addressable main memory of 216 bytes. Assume that a direct mapped data cache consisting of 32 lines of 64 byte each is used in the system. ...

aaliya

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aaliya asked Aug 16, 2017

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