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What is super block
A partition control block have partitions details, such as the number of blocks in the partition, size of the blocks, free-blocks and free-block pointers and free FCB count and FCB pointers. In UFS this is known as a super block.
with the aid of diagrams describe the following OS structure monolithic,layered and client server.
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
What is an operating system? An operating system is a program that acts as a mediator between a user and the computer hardware. The function of an operating system is to provid
Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
LRU approximation page replacement In this we are able to use the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for
Problem: a) Define the term ‘process' and what are the different constituents of a process. b) In the three-state process model, what does each of the three states signify?
Explain the Proper Distribution of Functionality and Code It is important to note that the bandwidth of the server operating system and server processor availability is fixed.
Synchronization can be achieved by means other than locks and condition variables. One alternative is semaphores. A semaphore is used to regulate traf?c in a critical section. A se
Q. In the IBM/370 memory protection is offered through the use of keys. A key is a 4-bit quantity every 2K block of memory has a key (the storage key) associated with it. The CPU
What are the different thread levels? There are two broad type of thread implementation: User-Level Threads -- Thread Libraries. Kernel-level Threads -- System Calls.
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