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Question:
(a) Define the term system software and application software, giving an example for each.
(b) Draw a diagram to represent the abstract view of a computer system including the following components:
The Operating System, Application and System Software, Computer Hardware and the Users.
(c) Describe the term multiprogramming and explain how it increases CPU usage.
In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a
What are overlays? To enable a process to be larger than the amount of memory allocated to it, overlays are used. The idea of overlays is to keep in memory only those instructi
Q. What are the major differences between operating systems for mainframe computers and personal computers? Answer: In general operating systems for batch systems have simpler
advantages and disadvantages
Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
diffenciet between least recently used and not recently used
LRU evicts the page which was last accessed the farthest into the past of any page resident in physical memory, i.e. the least-recently used page. LRU approximates OPT when the rec
You are required to study the important system components, including important data structures, important functions and algorithms, and the various organizational, structural, logi
Case laws related to accounting for investment
Problem: a) Explain physically what occurs when a disk is fragmented. What is the purpose of "defragmenting" a disk? b) What is the idea behind backing up data on a secondar
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