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Briefly discuss on Bankers algorithm?
The resource-allocation graph algorithm is not applicable to a resource-allocation system with multiple examples for each resource type. So we go for bankers algorithm but is less well-organized that resource allocation graph scheme.
When a new procedure enters it must declare the maximum number of instances of every resource type that it may need. When a user request a set of resources, the system must verify whether the allocation of these resource will leave the system in a safe state. If it will the resources are allocated; otherwise the process must wait unless some other process releases enough resources.
As we already know, threadsmust ensure consistency; otherwise, race conditions (non-deterministic results) might happen. Now consider the "too much milk problem": two people share
advantage and dis advantage of threads
What is long-term, medium-term, short-term? In a batch system many processes are submitted than are able to be executed immediately. These processes are reel to a mass storage
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 f
Explain thread in details
what is deadlock
Lexical substitution during macro expansion Lexical substitution is employed to produce an assembly statement from a model statement. A model statement contains 3 types of stri
Define System Call A system call is a request that is made by any program to the operating system for carrying out tasks - picked from a predefined set - which the said program
Q. Catalogue the design goals of Windows XP. Answer: Design goals comprise security and reliability and Windows and POSIX application compatibility with high performance and ex
What is page fault and what are the steps taken by the OS to remove page fault? A page fault is caused while a page that hasn't been brought into memory is being addressed. The
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