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Define rotational latency and disk bandwidth.
Rotational latency is the additional time waiting for the disk to rotate the wanted sector to the disk head. The disk bandwidth is the total number of bytes transmitted, separated by the time among the first request for service and the completion of the last transfer.
Explain the Fork-join This is primitives in a higher level programming language for implementing interacting processes. The syntax is like this: fork ; join ; where
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
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
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Explain what semaphores are, their usage, implementation given to avoid busy waiting and binary semaphores. Semaphore definition Usage for mutual exclusion and process synch
Explain the Proper Distribution of Functionality and Code It is important to note that the bandwidth of the server operating system and server processor availability is fixed.
Describe paging technique used in UNIX systems. When a process begin in UNIX, not every its memory pages are read in from the disk at once. In its place, the kernel loads into
Explain the Request/Response Interface Many issues are involved in providing a procedural interface for client functions to interact with server components. First off, since
Q. What resources are utilized when a thread is created? How do they vary from those used when a process is created? Answer: For the reason that a thread is smaller than a pr
what is dual mode operation
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