Implementation of modern memory management system , Central to implementati...

Central to implementation of a modern memory management system is the page replacement algorithm. Modern virtual memory systems break memory up into pages and map (via a page table

Operating system structure, Problem: (a) Modern operating systems are i...

Problem: (a) Modern operating systems are interrupt driven. If there are no processes to execute, no I/O devices to service, and no users to whom to respond, an operating syste

What is a real-time system?, What is a Real-time system? A Real-time sy...

What is a Real-time system? A Real-time system is used when inflexible time requirements have placed on the operation of processor or the flow of data so it is often used as a

Virtualization, What factors are involved in choosing the host operating sy...

What factors are involved in choosing the host operating system?

We can view an operating system as a resource allocator, We can view an ope...

We can view an operating system as a resource allocator. Explain. We can outlook an operating system as a resource allocator. A computer system has Many resources (software and

Explain external fragmentation?, Explain external fragmentation? Extern...

Explain external fragmentation? External fragmentation is the process where the free space and the space still available for use, in a piece of storage become separated into ma

Buffering,

Compute minimum transfer size for acceptable utilization, Q. It is occasio...

Q. It is occasionally said that tape is a sequential-access medium whereas magnetic disk is a random-access medium. In fact the correctness of a storage device for random access d

What is the exclusive feature of unix, What is the exclusive feature of UNI...

What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.

Os, why we say" OS is a resource allocator" and “OS is a control program"?

why we say" OS is a resource allocator" and “OS is a control program"?