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Define secondary memory.
This memory holds those pages that are not there in main memory. The secondary memory is usually a high speed disk. It is called as the swap device, and the section of the disk used for this purpose is called as swap space.
Q. Describe the purpose of the open() and close() operations. Answer: The open() operation notifies the system that the named file is about to become active. The c
What is banker's algorithm? Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple examples of each resource type
Write note on process, process state? A process is in excess of the program code which is sometimes known as text section. It as well includes the current activity as represent
List five services provided by an operating system. Explain how each provides convenience to the users. Explain also in which cases it would be impossible for user-level programs t
Single level directory: This is the easiest directory structure. All the files are controlled in the same directory, which is simple to support and understand. Few of the li
What are the three main purposes of an operating system? _ To give an environment for a computer user to implement programs on computer hardware in a convenient and efficient m
server configure
mention the three problems that mat be caused by wrong initialization and placement of wait() and signal()operations in the use of semaphore
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
Explain Swapping Swapping is a method of temporarily removing inactive programs from the memory of computer system.
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