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Operating

System

VIRTUAL LAB

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OPERATING SYSTEM
An operating system is a program that acts as an interface
between the user and the computer hardware and controls the
execution of all kinds of programs.
THE TOPICS
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COCURRANCY AND DEADLOCK
What Is DEADLOCK ?
Deadlock is a situation where a set of processes are blocked because each process is holding a resource and waiting for another resource acquired by some other process.
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SCHEDULING ALGORITHM
Learn Scheduling Algoritm.
A Scheduling Algorithm is the algorithm which tells us how much CPU time we can allocate to the processes.
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PAGE REPLACEMENT ALGORITHM
Memory Management .
Page replacement algorithms decide which memory pages to page out, sometimes called swap out, or write to disk, when a page of memory needs to be allocated.
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DISK SCHEDULING ALGORITHM
Know Disk Scheduling.
Disk scheduling is done by operating systems to schedule I/O requests arriving for the disk. Disk scheduling is also known as I/O scheduling.
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