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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.
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Briefly explain process management in Windows 2000. The Windows 2000 process manager provides for deleting, creating and using threads and processes. It has no knowledge about
what common event leads to the creation of a process?
what is it all about? why do we need? what are the types of backup? how is it done in unix?
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what is the need-to-know principle? why is it important for a protection system to adhere to this principle?
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Q. In the IBM/370 memory protection is offered through the use of keys. A key is a 4-bit quantity every 2K block of memory has a key (the storage key) associated with it. The CPU
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