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what are the deadlock prevention methodologiesa necessitate that processes request all resources before starting - if cannot
what are the different methods for handling deadlocksdeadlock detection and recovery permit the system to enter a deadlock state detect
what are the requirements to be satisfied by the critical section problemfollowing are the necessities to be satisfied by the critical section
difference between threads and processes1 thread is flow of implementation process is group of instruction which is alike to that of a program except
what are the necessary conditions for deadlocks1mutual exclusion only one process at a time is able to use the resource2hold and wait a
what are threadsa thread is alike to sequential programs single threads have a beginning sequence and end at any given point in time during the
what is starvationa main problem related to deadlock is starvation starvation is the circumstances where process waits indefinitely within the
write a note on the usage of semaphoressemaphore is a synchronization tool and it is a variable having integer values it is accessed only by two
explain the different sections of a process entry section critical section exit section remainder
what is virtual file systema virtual file system switch vfs or virtual file system is an abstraction layer on top of a more concrete file
list out the advantages of windows 2000 file management permits detailed security for individual folders and filesbuilt-in granular compression
give an overview of windows 2000 file managementwindows makes use of the ntfs and file allocation table file systems the older versions of the fat
give an overview of unix based file systemsunix and unix-like operating systems allocate a device name to each device other than this isnt how the
why interrupt can be usedthe majority of the different parts of the pc need to send information to and from the processor and they expect to be able
what are interrupts interrupts are in some ways the mainly famous system resources ever since almost everyone whos used a computer has heard of them
write on short note dmadirect memory access dma is a technique for transferring data from main to a device without passing it through the cpu
scalabilityscalability is the ability of the system to adapt to increased service load a scalable system will respond more gracefully to increased
fault tolerancemachine failures communication faults storage device crashes and decays of storage media should be tolerated by the system to some
transparencyusers must be able to access remote resources as though these resources were local transparency should as well promote user mobility
what is an io subsystemthe control of devices connected to the computer is a main issue while designing operating systems since io devices differ
what are the different file operationscreate - space for the file in the file system update directory tablewrite - file name and data to be
file organization sequential direct indexeda file still if it is stored on a magnetic disk or cd-rom disk may
write a short note on file organization and accessthere are three methods to access files1record access2sequential access3random accessthe record
what is meant by file management systemsfile management systems are as well referred to as simply a file system file system is the system that an os
what are the different files attributesfile name-its the name of the file its the name with which the user identifiesidentifiers-its created when a