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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.
With software algorithms for mutual exclusion, such as Dekker's algorithm, Peterson's algorithm, or Lamport's bakery algorithm, note that optimizing compilers and out-of-order exec
Compare user threads and kernel threads. User threads:- User threads are supported above the kernel and are executed by a thread library at the user level. Thread creation
Difference between cache and associate memory
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
Many-to-Many Model The many-to-many model- many user-level threads to many kernel-level threads avoids several of the limitations of the one-to-one model, although extending mu
Debugging a multi threaded program The following list points out few of the more frequent oversights and errors that can cause bugs in multithreaded programs. 1. Ephemeral
Explain the Resource Ownership by Platform Ownership of data items may further be complicated by concepts defined in certain operating systems. Each operating system defines "p
What is named pipes?
Process Description A process in UNIX is a somewhat complex set of data structures that provides the operating system with all of the information necessary to dispatch and manag
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
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