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DESCRIBE OPERATING SYSTEM
Question 1: a) State the different file attributes and briefly explain the operations that can be performed on each files. b) What is a semaphore? Describe why it is impor
A- In a table format, compare between Programmed I/O, Interrupt -driven I/O, and Direct Memory Access (DMA) in terms of basic idea, Advantages, disadvantages, and the operating en
Suppose we have 3 processes running at the same time as shown in the following table. Each resource only has one instance. Show a possible scenario of resource allocation that r
What is reference string We evaluate an algorithm by running it on a definite string of memory reference and computing the number of page faults. The string of memory reference
Describe the internal layout of the file system in windows 2000. The basic entity in NTFS is a volume and a volume is created by the Windows 2000 disk administrator utility and
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
what is system performence?
Determine a policy that is not a valid page replacement policy? RU policy (Recurrently used) is not a valid page replacement policy.
List the Coffman's conditions that lead to a deadlock. Mutual Exclusion : Only one process might be use a critical resource at a time. Hold & Wait: A process may be alloc
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