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Hierarchical paging
Single way is to use a two-level paging algorithm, in which the page table itself is also paged. A logical address is separated into a page number and a page offset. The page number is further divided into a 10-bit page number and a 10 bit page offset.
Define properties of Distributed operating system Distributed:- This system distributes computation among several physical processors. The processors do not share memory or a
List disadvantages of using a single directory. Users have no privacy. Users must be careful in choosing file names, to avoid names used by others. Users may destroy each othe
How can a user program disturb the normal operation of the system? a) Issuing illegal I/O operation. b) By accessing memory locations within the OS itself. c) Refusing to
Q. Consider a calculating environment where a unique number is associated with each process and each object in the system. Suppose that we permit a process with number n to acce
What do you mean by best fit? Best fit allocates the smallest hole that is big sufficient. The entire list has to be searched, until it is sorted by size. This strategy creates
advantages
In which page replacement policy Balady’s anomaly occurs? FIFO (First in First Out)
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
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
In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a
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