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Additional Reference bits algorithm
Here we keep an 8-bit byte for every page in memory. At standard intervals the reference bit is shifted by the OS. If a shift register contains 00000000 then the page hasn't been used for the last 8 time periods. A page with a history 11000000 is more recently used than 01000000. The no of bits are able to be varied accordingly to the needs of the OS.
what is deadlock
Removing System Dependencies Because portions of the client - server application program may execute on different machines, it is very important for the developer to remove the
In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a
DESCRIBE OPERATING SYSTEM
Define what an assembler is An assembler is machine dependant.
Enhanced second-chance algorithm. When we increase the second-chance algorithm by considering both the reference bit and the modify bit as an order pair. We have the following
What are the different thread levels? There are two broad type of thread implementation: User-Level Threads -- Thread Libraries. Kernel-level Threads -- System Calls.
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