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Placement algorithms:calculate where in available real-memory to execute a program. Common functions are next-fit, first-fit, and best-fit.
Replacement algorithms:are needed when memory is almost full, and one program requires to be swapped out to accommodate a new process. The replacement algorithm calculates which the partitions to be swapped out are.
What is an I/O subsystem? The control of devices connected to the computer is a main issue while designing operating systems. Because I/O deices differ widely in their function
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
Q. What are the three main activities of an operating system in regard to secondary-storage management? Answer: 1) Free-space management 2) Storage allocation 3) Disk
EXPLAIN MULTITASKING IN DETAIL
Define multithreading The proficiency of an operating system to execute different parts of a program called threads simultaneously is called as multithreading. A thread is a fl
Q. Why is it significant to balance file system I/O among the disks as well as controllers on a system in a multitasking environment? Answer: A system can perform mere
Question 1: a) Briefly explain each of the following terms: (i) Distributed systems. (ii) Real time systems. (iii) Multiprocessor. b) What is the impo
Write in brief on UNIX file structure. UNIX considers every file to be a sequence of 8-bit bytes no interpretation of these bits is made by the operating system. This system pr
A practical task specified in the Study Guide, Computer architecture, was to record your computer's specifications. Submit the data you recorded, which will contain the following d
Define properties of Distributed operating system Distributed:- This system distributes computation among several physical processors. The processors do not share memory or a
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