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Q. What are the major differences between capability lists and access lists?
Answer: An access list is a list for each object consisting of the domains with a nonempty set of access rights for that object. An ability list is a list of objects and the operations allowed on those objects for each domain.
MDEFINE CRITICAL SECTION
Define Maintaining Data on a Per Client Basis Perhaps the most dramatic syntactical programming change for the application developer of client – server applications is maintain
We have stressed the need for an operating system to make efficient use of the computing hardware. When is it appropriate for the operating system to forsake this principle and to
Q. Explain about Error detection method? Error detection: error can occur in CPU, in I/O devices or in memory hardware. Operating system constantly needs to be aware of possi
Explain Belady's Anomaly? Also called FIFO anomaly. Usually, on enhancing the number of frames allocated to a process virtual memory, the process implementation is faster, beca
What is scheduler? A process migrates among the various scheduling queues throughout its life time. The OS must choose processes from these queues in some fashion. This selecti
Long term scheduler calculates which processes are admitted to the machine for processing. It accepts the degree of multiprogramming. Once accepted, a job converts a process.
Modern networks are not implemented as a single piece of software; that would render the task of dealing with multiple technologies and manufacturers virtually impossible. The solu
Q. Regard as a logical address space of eight pages of 1024 words every mapped onto a physical memory of 32 frames. a. How several bits are there in the logical address? b. H
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
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