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what is file allocation the structure that offers the fat file system its name is the file allocation table in order to know what this important
how are file sharing and protection implementedto implement file protection and sharing the system ought to maintain more file and directory
what is co-operating schedulingcpu scheduling decisions may possibly place under the following four circumstances1 when process
what are scheduling queuessince the processes enter the system they are put into job queue this queue contains all processes in the system the
what is long-term medium-term short-termin a batch system many processes are submitted than are able to be executed immediately these processes are
what is a two state process model at any time a process is being implementing by a processor or not therefore a process may be in running or not
what is a process control blockevery process in the operating system is represented by a process control block as well called a task control block it
which are the different states of a process different status of a process is new when the process is created running when instructions are
define process what is meant by state of a processprocess is a program in implementation a process in general includes the process stack which
question acompani datdbase needs to store information about employees identified by a social security numberwith salary and phone as attributes and
explain with an example the need of shift alteration in critical section problemconsider processes pi and pj and consider the algorithm for pi and
what is busy waitingwhen strict alteration is done there may take place situation like two processes setting their flag as true therefore both of the
explain the petersons solution for the critical section problemin petersons solution two variables a flag and b turn are used as shared variables if
what are three conditions that a solution for the critical section problem must satisfythe three conditions are as following-a
write a short note on pcbevery process is represented in the operating system by a process control block also called a task control block it contains
write note on process process statea process is in excess of the program code which is sometimes known as text section it as well includes the
what are the requirements for solution of critical section problemsmutual exclusion if process p is implementing in its critical section then no
what is critical sectionevery process has a segment code called the critical section in which the process may be updating tables changing variables
medium term schedulingthis is component of the swapping function usually the swapping in decision is based on the need to manage the degree of
long term schedulingscheduling explicitly performed when a new process is created and it determines which programs are admitted to the system for
comparison of disk scheduling algorithmsname description
write a short note on disk scheduling one of the responsibities of operating system os is to use the hardware efficiently whenever a process
write a short note on disk structuremodern disk drives are initiate as large one dimensional array of logical blocks where the logical block is the
look olike scan except stops moving inwards or outwards when no more requests in that direction existc-scan circular scan omoves inwards servicing
scan ogo from the outside to the inside servicing requests and after that back from the outside to the inside servicing requests oreplicate this