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Explain how protection is provided for the hardware resources by the operating system.
Dual mode operation
1. User mode - Implementation done on behalf of a user.
2. Monitor mode (also kernel mode or system mode) - Implementation done on behalf of operating system.
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Removing System Dependencies Because portions of the client - server application program may execute on different machines, it is very important for the developer to remove the
What are the objectives of operating system? Objectives of OS 1. Convenience: An OS makes a computer more suitable to use. 2. Efficiency : An OS allows t
The term ‘page traffic’ explains Page traffic’ explains the movement of pages in and out of memory.
Write pseudo code to implement the pthread_create wrapper of the Tern memoizer. Note you need to describe your data structure for maintaining deterministic thread IDs. In addition,
What are the benefits of thread pools:- The benefits of thread pools are 1. It is usually faster to service a request with an existing thread than waiting to make a thread.
Applications allocate memory in terms of the number of bytes that they need, but this level of granularity is too ?ne-grained for the operating system to manage the system memory i
LRU page replacement In slightest recently used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an
Multiprocessing - An Operating System proficient of utilizing and supporting more than one computer processor. Below are some instances of multiprocessing Operating Systems. Li
Determining the time quantum for a job is a critical task. Given the assumptions that the average switching time between processes is s, and the average amount of time an I/O bo
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