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What is graceful degradation?
In multiprocessor systems, failure of single processor will not halt the system, but only slow it down by sharing the work of failure system by other systems. This ability to continue giving service is proportional to the surviving hardware is known as graceful degradation.
how does DMA increase system concurrency
50 peripharal device name ,diagram and uses
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
Define the OS/2 threads code The sample program in Listing is very similar to the NetWare example. OS/2 commands are substituted for the pseudocode commands controlling thread
Characteristics of suspend process Suspended process isn't immediately available for execution. The process may or may not be waiting on an event. For preventing t
copy-on-write
1. How is reliability enhanced with the microkernel approach to system design? 2. In a virtual machine design where guest operating systems are independent virtual machines sup
Define buffering. A buffer is a memory area that keeps data whereas they are transferred among two devices or among a device and an application. Buffering is done for three rea
An operating system act as an intermediary between user of a computer and computer hardware. The objective of an operating system is to provide an environment in that a user can ex
what are disadvantages of using single directory
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