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Computer Security

Computer security

Computer security is security applied to computing devices such as computers and smartphones, as well as computer networks such as...

• BY Team Topic Nest
• June 19, 2023
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OS

Recovery from Deadlock

When a detection algorithm determines that a deadlock exists, several alternatives exist. One possibility is to inform the operator that...

• BY Team Topic Nest
• June 17, 2023
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Safety Algorithm

1. Let Workand Finish be vectors of length m and n, respectively. Initialize: Work = Available Finish [i] = false...

• BY Team Topic Nest
• June 17, 2023
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Banker’s Algorithm

This algorithm can be used in banking system to ensure that the bank never allocates all its available cash such...

• BY Team Topic Nest
• June 17, 2023
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Deadlock Prevention

Deadlock prevention is a set of methods for ensuring that at least one of these necessary conditions cannot hold. Mutual...

• BY Team Topic Nest
• June 16, 2023
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Semaphores

For the solution to the critical section problem one synchronization tool is used which is known as semaphores. A semaphore...

• BY Team Topic Nest
• June 15, 2023
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Critical Section Problem

Consider a system consisting of n processes (P0, P1, ………Pn -1 ) each process has a segment of code which...

• BY Team Topic Nest
• June 14, 2023
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Operating System Services

An operating system provides an environment for the execution of the program. It provides some services to the programs. The...

• BY Team Topic Nest
• May 11, 2023
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Virtual Machines

By using CPU scheduling & virtual memory techniques an operating system can create the illusion of multiple processes, each executing...

• BY Team Topic Nest
• May 11, 2023
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System structure

Simple structure There are several commercial system that don‘t have a well- defined structure such operating systems begins as small,...

• BY Team Topic Nest
• May 8, 2023
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