An operating system is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer's language.
In an operating system that uses paging for memory management, a page replacement algorithm is needed to decide which page needs to be replaced when new page comes in.
Learn MoreDisk scheduling is done by operating systems to schedule I/O requests arriving for the disk. Disk scheduling is also known as I/O scheduling.
Learn MoreCPU scheduling is a process which allows one process to use the CPU while the execution of another process is on hold due to unavailability of any resource like I/O etc, thereby making full use of CPU.
Learn MoreConcurrency is the execution of the multiple instruction sequences at the same time. It happens in the operating system when there are several process threads running in parallel.
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