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Explain the different sections of a process.
Entry section
Critical section
Exit section
Remainder section
Consider a system inclusive of n processes {p0, p1,...,pn} . Every process has a called critical section, segment of code, in which the process perhaps updating a table, changing common variables, writing a file etc. The significant features of this system are that when one process is in critical section no other process is to be permitted to execute in critical section. Every process should request permission to enter its critical section. The section of code executing this request is the entry section. The critical section should be followed by an exit section and the remainder code is in the remainder section.
Utility Programs: those programs which are not the essential part of operating system. But they provide different utilities / features to the users e.g. MS-DOS : Fdisk, FORMAT, AT
what is the need-to-know principle? why is it important for a protection system to adhere to this principle?
Q. Consider a system in which a program is able to be separated into two parts: code and data. The CPU recognizes whether it wants an instruction (instruction fetch) or data (data
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
Q. In some systems a subdirectory is able to be read and written by an authorized user just as ordinary files can be. a. Explain the protection problems that could arise. b.
Internal file structure All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match
Explain the Architecting For Processes Processes are very important to the server application developer, as they may be used to increase responsiveness, deduction time, and tur
What are the different methods for handling deadlocks? Deadlock detection and recovery: Permit the system to enter a deadlock state, detect it and after that rec
ADVANTAGES OF MICROFERNEL IN YSTEM DESIGN?
what is deadlock
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