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Inverted page table
In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memory address. One of the drawbacks of this method is that every page table may having of millions of entries.
Q. Suppose that you want to utilize a paging algorithm that requires a reference bit (such as second-chance replacement or working-set model) however the hardware does not provide
what are the main advantages of multiprogramming
(a) Describe services of operating systems. (b) Differentiate among the short term, medium term and long term scheduling that are given by multi-tasking operating systems.
Note for assignment
How can the deadlock be prevented? To evade deadlocks first we will have to obtain the information about how resources are to be requested. And as well we should make sure that
describe competing process
GUI - Short for Graphical User Interface a GUI Operating System contains icons and graphics and is commonly navigated by using a computer mouse. Below are some instances of GUI Op
a summary of what operating system do
COMBINED ULT/KLT APPROACHES Idea is to merge the best of both approaches Solaris is an illustration of an OS that combines both ULT and KLT Thread creation complete i
System Service Program system service program Supports and provides the services for other program. System service program perform Varity of tasks. They are further divided in
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