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online movie tickets booking using operating system concepts

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online-movie-booking

FCFS (FIRST COME FIRST SERVE):

⮚ In this scheduling algorithm, a person is served according to the queue manner.

⮚ The person who arrives first in the queue first buys the ticket and then the next one.

⮚ This will continue until the last person in the queue purchases the ticket.

⮚ Using this algorithm, the CPU process works in a similar manner.

SEMAPHORES:

⮚ In computer science, a semaphore is a variable or abstract data type used to control access to a common resource by multiple processes in concurrent system such as a multitasking operating system.

⮚ A semaphore is simply a variable.

⮚ If two persons want to access the system at the time , deadlock will occur.

⮚ To overcome , this situation semaphores are used.

⮚ In this mini project , deadlocks are handled by

PRIORITY:

⮚ Priority scheduling is a non-preemptive algorithm and one of the most

common scheduling algorithms in batch systems.

⮚ Each process is assigned a priority. Process with highest priority is to be executed first and so on.⮚ Processes with same priority are executed on first come first served basis.

⮚ In this project, if user wants to access the page , admin have to finish his work

⮚ So admin gets the priority first

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