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Explain the various types of computer systems.
Mainframe systems
Large Number of CPU with Greatest Processing Power:
Huge Memory Capacity:
Increased Performance by sharing workload:
Centralized Computing:
Ability to Run in Multiple Operating systems
Supports Time Sharing Ability:
Supports Sophisticated Operating system:
Reliability:
Availability:
Serviceability:
Supports Maximum I/O connectivity
Have capability of providing Maximum I/O bandwidth
Have the greatest ability of producing fault tolerant computing.
Capacity to manage Large Users
An operating system provides the environment within that programs are executed. Internally operating systems differ greatly in their makeup because they are organized along many di
The question of fairness, regarding page eviction, is a hard one. How do we decide what is fair? Many operating systems use global LRU, where pages from all processes are managed t
Memory Protection
Q. What are the three main activities of an operating system in regard to memory management? Answer: a. Keep follows of which parts of memory are currently being used and
Explain with an example the need of Shift Alteration in critical section problem? Consider processes P i and P j and consider the algorithm for P i and P j .
Suppose a logic-based agent in the wumpus world has found that locations (1,1) and (2,1) do not contain a stench, but that locations (3,1) and (2,2) do contain a stench. Can the ag
Some people write custom memory allocators to meet their speci?c needs. Although this is not needed for most of the applications, it is also not uncommon. The goal, of course, is t
Q. Is disk scheduling except FCFS scheduling useful in a single-user environment? describe your answer. Answer: In a single-user environment the I/O queue typically is empty.
Question : a) Consider table 1.0 below, assume the processes arrived in the order P 1 , P 2 , P 3 , P 4 at time shown and need the indicated burst time (both in milliseconds)
TII stands for The abbreviation of TII is Table of incomplete instructions.
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