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Define throughput?
Throughput in CPU scheduling is the number of processes that are completed per unit time. For long processes, this rate might be one process per hour; for short transactions, throughput may be 10 processes / second.
What is the basic approach of page replacement? If no frame is free is available, find one that is not presently being used and free it. A frame can be freed by writing its con
Question 1 What is a file? Write down the operations on files Question 2 What do you mean virtual machine? Write down the application of virtual machine Question 3 What
What are the five major activities of an operating system in regard to file management? The creation and deletion of files The creation and deletion of directories The s
Interrupts The hardware mechanism that enables a device to inform the CPU is called an interrupt. The basic interrupt mechanism works as follows. The CPU hardware has a wire kn
The objects that a program can access directly are those objects which are referenced by local vari-ables on the processor stack, or by any global/static variables that refer to ob
How could we implement locks? No matter how we choose to implement them, we must have some hardware support. One possibility for implementing locks on a uniprocessor machine is is
Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no
Regard as a computer system that runs 5000 jobs per month with no deadlock-prevention or deadlock-avoidance scheme. Deadlocks take place about twice per month and the operator must
Page Fault Handling conditions like, where the copy on write bit of a page is set and that page is send by more than one process, the Kernel assign new page and copies the conten
what is multilevel page table and its applications?
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