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Briefly discuss on I/O hardware? A controller is a collection of electronics that can operate a port, a bus, or a device. A serial-port controller is an easy controller. It is
Explain multilevel feedback queue in detail A process can move among the various queues; aging can be executed this way Multilevel-feedback-queue scheduler explained b
Define properties of Real time operating system Real time :- Often used in a dedicated application, this system reads information from sensors and must respond within a fixed a
explain about oprating system services and topics briefly
LRU page replacement In least lately used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an opti
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
When do we write a page from physical memory back to the disk? In general, caches have two broad types of writing policies. One approach is a write-through cache. In this case,
Question: (a) i. Consider Active Directory as a database, then for each type and new class of objects, what is created? ii. What is the purpose of the global catalog? ii
Problem: a) Explain physically what occurs when a disk is fragmented. What is the purpose of "defragmenting" a disk? b) What is the idea behind backing up data on a secondar
Define multithreading The proficiency of an operating system to execute different parts of a program called threads simultaneously is called as multithreading. A thread is a fl
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