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What are over lays?
If a large process enters which is huge than the available memory we are able to use overlays. In this we can divide process into pieces .which is recognized as overlays. Overlay 0 will implement first. After the implementation of 0, it will call another overlay to implement. A few overlay systems were highly complex, permitting multiple overlays in memory at once. The idea of overlay is to remain in memory only those instructions are needed at any given time.
Binary number based systems Binary is a ' base 2' number system, only two numbers exist namely '0' and '1'. Conversion from binary to base 10 is easy if the number column techn
List ways to share files among directories in operating systems. a. Copy file from one account into another. b. Link directory entry of "copied" file to directory entry of o
Before proceeding with its execution, every process must obtain all the resources it needs is called Hold and wait
Determine what the “blocking factor” of a file is Blocking factor is the number of logical records in one physical record
Question: (a) Briefly discuss and describe the possible RMI invocation semantics. (b) (i) What is data marshaling? (ii) Explain the role of a remote object reference dur
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
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A scheduler that selects processes from secondary storage device is known as Medium term scheduler is a scheduler that selects processes from secondary stor
Write a short note on disk scheduling One of the responsibities of operating system O/S is to use the hardware efficiently. Whenever a process requires I/O to or from the
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