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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.
What is preemptive and nonpreemptive scheduling? Under nonpreemptive scheduling once the CPU has been allocated to a process, the process keeps the CPU unless it releases the C
Define Overflow Chaining Another method will divide the pre-allocated table into two sections: the primary area to determine which keys are mapped and an area for collisions, g
What OS''s are available in market as open source?
Scalability Scalability is the ability of the system to adapt to increased service load. A scalable system will respond more gracefully to increased load than a non scalable on
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
scheduling
What criteria are important in choosing a file organisation?
Single level directory: This is the easiest directory structure. All the files are controlled in the same directory, which is simple to support and understand. Few of the li
Define the Division of Labour between Client and Server Given our definition of client - server as the interaction between dispersed application logic components it must be not
As mentioned above, page tables, are lookup tables mapping a process' virtual pages to physical pages in RAM. How would one implement these page tables? The most straightforward
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