[Operating Systems questions] 1) Compare and contrast the event-driven and algor

Question

[Operating Systems questions]

1) Compare and contrast the event-driven and algorithmic paradigms.

2) In microkernal-based client-server systems, the microkernal just message passing and nothing else. Is it possible for user processes to nevertheless create and use semaphores? If so, how? If not, why not?

3) Why is it hard to design an operating system?

4) List the guiding principles for operating system interface design. Write a brief statement on why each principle is important to the operating system interface design.

5) Define "architectural coherence"

6) Explain how the choice of 'top-down' or 'bottom-up' structures impacts the operating system design.

7) Explain how the choice of 'synchronous' or 'asynchronous' structures impacts the operating system design.

8) What is the ability to combine separate concepts independently?

9) Explain how the choice of 'static' or 'dynamic' structures impacts the operating system deisgn.

10) List and briefly describe three 'useful' concrete techniques for imlementing an operating system.

Explanation / Answer

Please find below for Event Driven,Algorithmic Paradigms:

Based on the need and context we can decide what to use how to use. For example, we have system where we need to show pop up on click of check box then its better to for event driven based paradigm.

Event-Driven Paradigms Algorithmic Paradigms programming paradigm in which the flow of the program is determined by events such as user actions (mouse clicks, key presses) generic method or approach which underlies the design of a class of algorithms This approach is used for Hardware description languages This approach will be used in high level languges Example includes, Event Handlers such mouse clicks used in Graphic User interface, Interrupt mechanism in Drivers Examples includes, Divide and Conquer, Greedy alogrithms, Dynamic programming

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