input output systems, Operating System

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Explain lru page replacement, LRU page replacement In slightest recentl...

LRU page replacement In slightest recently 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

What is starvation?, What is starvation? A main problem related to dead...

What is starvation? A main problem related to deadlock is starvation. Starvation is the circumstances where process waits indefinitely within the semaphore. Indefinite blocking

Explain time-sharing environment, In a multiprogramming and time-sharing en...

In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a

Main advantage of the layered approach to system design, What is the main a...

What is the main advantage of the layered approach to system design? As in all cases of modular design, designing an operating system in a modular way has several benefits. Th

#title.paging, explain hierarchical,hashed and inverted paging

explain hierarchical,hashed and inverted paging

What is meant by the phrase thread-safe, The term thread-safe in computer p...

The term thread-safe in computer programming describes that routine or portion of the program that may be called from multiple programming threads without uncalled for interactions

Determine a processing that is not a part of synthesis phase, Determine a p...

Determine a processing that is not a part of Synthesis phase  Perform LC processing is not a part of Synthesis phase

Define logical address and physical address, Define logical address and phy...

Define logical address and physical address. An address formed by the CPU is referred as logical address. An address seen by the memory unit that is the single loaded into the

How does user specify block to be fetched in direct access, How does user s...

How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.

What is preallocation, What is preallocation? Why do it? Allocating spa...

What is preallocation? Why do it? Allocating space for a file before making the file to allow for expansion. This reserves space for a certain file so that other files can't gr

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