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Define the “Throughput” of a system
Throughput is Number of programs processed by it per unit time
The general idea of a producer-consumer architecture is related to building a pipeline of threads, similar to the web spider from Project 2. Each step of the processing will now be
What is a thread? A thread or else called a lightweight process (LWP) is a basic unit of CPU utilization, it comprises of a thread id, a program counter, a register set and a s
(a) Describe services of operating systems. (b) Differentiate among the short term, medium term and long term scheduling that are given by multi-tasking operating systems.
You have a system with two primary workloads. One performs sequential access to a set of large files, the other performs small, independent, random reads to a separate set of large
What is the difference between multiprocessing and multitasking? Multi programming means implementing more than one program but here whenever the processor is idle during execu
What are the different file operations? Create : - Space for the file in the file system update directory table. Write : - file name and data to be written is
linked allocation using i node
Unix process API The two most important function calls to use when programming with several processes are fork and exec: fork() creates a copy of current process. It gives
Q. Describe why SSTF scheduling tends to favour middle cylinders over the innermost and outermost cylinders. Answer: The middle of the disk is the location having the smalles
What criteria are important in choosing a file organisation?
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