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What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
Define I/O and CPU Bursts Applications typically to through cycle of CPU bursts and Input/output bursts. Since the CPU sits idle during I/O operations, efficiency is improved
Define Segmentation The memory allocation method subject to “external” fragmentation is Segmentation.
Describe the purpose of the checkpoint mechanism. How habitually must checkpoints be performed? Explain how the frequency of checkpoints affects: System performance while no
What disadvantages are there to this two-level directory? Without other provisions, two users who require cooperating with each other are hampered in reaching every other's fi
Compare 2 different operating systems.
Hashed page table method A general approach for managing address spaces larger than 32 bits is to use a hashed page table with the hash values being the virtual-page number.
How is process management done in multiprocessing systems ? There are two accost for the process management in multiprocessor systems. Master-slave configuration Sy
whta is an operating system ? what sorts services are provided by an operating system ?
How does communication takes place in a distributed system? Distributed systems depend on the networking for their functionality. A network is a communication path among two
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