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FIRST FIT ALGORITHM
Scanning a list along with if a free hole is available with necessary space for the process to allocate it allocates the process in that space. The first space which is huge enough to hold the process is taken first.
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
How can an index file be used to speed up the access in direct-access files? Have an index in memory; the index gives the key and the disk location of its corresponding record.
What is critical section problem? Consider a system consists of 'n' processes. Every process has segment of code called a critical section, in which the process might be changi
why we say" OS is a resource allocator" and “OS is a control program"?
Q. Distinguish among a STREAMS driver and a STREAMS module? Answer: The STREAMS driver controls the physical device that could be involved in a STREAMS operation. The STREAMS
Define Server Processing with Queues The efficient server processing of client request is essential for optimized client- server applications. This process is greatly enhanced
Broken data into small packets allow time division multiplexing. In TDM every packet leaves the sender and is switched on the shared interaction channel through a multiplexer. At t
What is the use of FIFOs in client-server applications
Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the
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