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Question: Introduction to Operating Systems
a) Define the term ‘Operating System' and identify main functions of an operating system.
b) What are the characteristics of a good operating system?
c) What do you understand by the ‘kernel of an operating system'?
d) Define a ‘system call' and‘interrupt'. Give examples of each.
e) Identify main storage structures and give a small description of each.
f) What do you meant by the term multitasking?
Describe swapping technique in UNIX systems. Swapping is used to control memory contention among processes. If there is excessively much memory contention, processes are swappe
What is named pipes?
Q. Suppose that you want to utilize a paging algorithm that requires a reference bit (such as second-chance replacement or working-set model) however the hardware does not provide
Q. Explain the actions taken by a kernel to context switch between kernel level threads. Answer: Context switching among kernel threads classically requires saving the value
what is tlb?
General graph directory The serious problem with using an acyclic-graph structure is ensuring that there are no cycles. When we insert links to an existing tree-structured dire
What is a Real-time system? A Real-time system is used when inflexible time requirements have placed on the operation of processor or the flow of data so it is often used as a
what is deadlock
Question: (a) (i) What is a microkernel? Describe the benefits of using microkernels. (ii) How does a microkernel-based operating system differ from a traditional operating
What is internal fragmentation? Consider holes of 20k assume the process requests 18 bites. If we allocate accurately the request block, we are left with a hole of 2k. The over
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