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Question :
a) What do you understand by a Directory Structure? Support your answer with a diagram.
b) Give an example how Access Lists and Groups are arranged to mode of access for read, write and execute of an object.
c) What do you understand by Virtual File Systems?
d) Describe the efficiency and performance of the File System
Implementation and its structure?
e) Describe briefly two examples of System Threats.
f) How are Threats monitored?
g) What methods are used to monitor Intrusion Detection?
Q. Illustrate the function of Loader? A loader is a routine which loads an object program and prepares it for execution. There are many loading schemes: relocating, absolute an
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Define semaphore A semaphore is a protected abstract or variable data type that constitutes the classic method for restricting access to shared resources like shared memory in
Select any business process within this firm, describe it as a set of steps then fill the following table (flow, information, sender and receivern #Minimum 100 words accepted#
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
The dynamic memory allocator is a layer between the application and the OS, managing heap objects. When a program requests memory from the allocator (via malloc(), for instance), t
Q. What resources are utilized when a thread is created? How do they vary from those used when a process is created? Answer: For the reason that a thread is smaller than a pr
Relative file organization A relative file is an array of fixed-length slots and the records can be inserted in the first free slot found from the beginning of the file and
Problem 1. What is kernel? What are the main components of a kernel? Defining Kernel Explaining Main components of Kernel 2. What is mutual exclusion? What are i
Define what a macro definition consists of
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