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What is process control block?
Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
What are scheduling queues? Since the processes enter the system they are put into job queue. This queue contains all processes in the system. The processes that are exist in m
Q. The Sun Ultra SPARC processor has numerous register sets that describe the actions of a context switch if the new context is previously loaded into one of the register sets. Wha
What are the different ways in which a thread can be cancelled? Cancellation of a target thread may happen in two different scenarios: Asynchronous cancellation: One thr
Q. Which of the subsequent instructions should be privileged? a) Read the clock b) Clear memory c) Set value of timer d) Issue a trap instruction e) Turn off interr
Give an overview of WINDOWS 2000 file management. Windows makes use of the NTFS and File Allocation Table file systems. The Older versions of the FAT file system had file name
Cold Backup: It is copying the three groups of files when the object is shut down. This is a straight file copy, generally from the storage disk directly to tape. You must end th
best fit
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
Q. Explain the differences in terms of cost between the three storage types nonvolatile, volatile and stable. Answer: Volatile storage refers to main as well as cache memory an
Q. In what circumstances is a token-passing network more effectual than an Ethernet network? Answer: A token ring is extremely effective under high sustained load as no colli
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