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What do you mean by first fit?
First fit allocates the first hole that is big sufficient .Searching can either start at the starting of the set of holes or where the previous first-fit search ended. Searching can be stopped as soon as a free hole that is big enough is found.
What is a Relocatable program? The Relocatable programs can be loaded almost anywhere in memory.
Q. What is the major advantage of the layered approach to system design? What are the de-merits of using the layered approach? Answer: As in all cases of modular design as well
Explain the concept of Reentrancy? It is a useful, memory-saving method for multiprogrammed timesharing systems. A Reentrant Procedure is one in which many users can share a si
how copy on write on pages when many process works at a same time?
Q. Describe the three main architectural layers of Windows XP? Answer: (1) The HAL (Hardware Abstraction Layer) creates operating system portability by hiding hardware differ
What is input output operation ?
KERNEL-LEVEL THREADS (KLT) In this level every thread management is done by kernel .No thread library except an API system calls to the kernel thread facility exists. The kern
Define Latency plus seek time The total time to arrange a disk drive mechanism for a block of data to be read from is its Latency plus seeks time
WHAT IS OPERATING SYSTEM ?ENLIST AND EXPLAIN BASIC SERVICES PROVIDE BY OS
General Graph Directory A serious trouble with using an acyclic graph structure is making sure that there are no cycles. When links are further added to an existing tree struc
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