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Symmetric multiprocessing
To get maximum reliability and efficiency a mode of function called as symmetric multiprocessing is used. In essence, with SMP any program or threads can be given to any processor. Symmetric multiprocessing (SMP) adds a multiprocessor computer hardware structure where two or more identical programs are connected to a single shared main storage and are controlled by a single Operating System instance. Most common multiprocessor machines today need SMP structure. In the case of multi-core processors system, the SMP architecture relay to the cores, acting them as separate processors.
How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.
Explain the Spawnvp Function used in the netware Spawnvp(flags, execNmae, argv) This function executes similarly to spawnlp( ) except that parameters are passed as a v
Q. A CPU scheduling algorithm determined an order for the execution of its scheduled processes. Convinced n processes to be scheduled on one processor how numerous possible differ
Q. Illustrate the Operating System Components? Modern operating systems share the goal of supporting system components. System components are: 1. Process Management 2.
Write about critical regions and monitors. Critical region definition Monitor definition Implementation of the conditional-region construct Syntax of monitor Monito
How is a process chosen for being swapped either in or out? Swap out: a. If the process is idle. b. If process has been in main memory for a long time.
What is preemptive and nonpreemptive scheduling? Under nonpreemptive scheduling once the CPU has been allocated to a process, the process keeps the CPU unless it releases the C
What is logical address space and physical address space? The set of all logical addresses formed by a program is known as a logical address space; the set of all physical addr
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what is Number System
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