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What is ERD?
Entity Relationship Diagram is the graphical representation of the object relationship pair. It is mostly used in database applications.
What are the characteristics of SRS? i. Correct - The SRS should be made up to date when appropriate requirements are identified. ii. Unambiguous - When the requirements are
Additional-reference-bits algorithm We can keep an 8-bit byte for every page in a table in memory. The operating system shifts the reference bits right 1 bit, discarding the lo
shell script that accepts two directory names as arguments and delete those file in the second directory that are identical to the file in the first
Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that a 'replace the page that will not be
Effects of multiprogramming on resource utilization With the utilize of multiprogramming, batch processing is able to be quite efficient .Just as multiprogramming permits the
Problem: (a) Modern operating systems are interrupt driven. If there are no processes to execute, no I/O devices to service, and no users to whom to respond, an operating syste
Load Sharing : Processes are not given to a particular processor. A global queue of threads is used to maintain. Each processor, when idle, picks a thread from this queue. Note th
Define throughput? Throughput in CPU scheduling is the number of processes that are completed per unit time. For long processes, this rate might be one process per hour; for sh
what is secondary storage management
Introduction of linux
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