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Define deadlock prevention.
Deadlock prevention is a set of process for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pre-emption and circular wait cannot hold. By ensuring that that at least one of these conditions cannot hold, the occurrence of a deadlock can be prevented.
Operating Systems 1. Explain Micro-kernel? Specify the benefits of Micro-kernel? 2. Describe seven state process models used for OS with necessary diagram. Differentiate bet
Define the DosExit Function used in the OS/2 DosExit(action, resultCode) DosExit function is to be called when a thread or process is finished executing. If EXIT_THREAD is
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
The physical memory acts as a cache backed by the disk. When the physical memory is full, and we want to read in another page from disk, we have to evict a page from physical memor
Explain the Application Interaction Protocols Application interaction protocols are uniquely defined for each program and are used to logically describe the data being passed b
acyclic graph directories
A- In a table format, compare between Programmed I/O, Interrupt -driven I/O, and Direct Memory Access (DMA) in terms of basic idea, Advantages, disadvantages, and the operating en
Suppose we want to program a Web server; we could easily do so without using concurrency, as follows: while(true) wait connection read from socket and parse url look up url cont
Determining the time quantum for a job is a critical task. Given the assumptions that the average switching time between processes is s, and the average amount of time an I/O bo
Processes- Making the System More Responsive and Useful A method by definition build up of a code execution and resource ownership. A process has two main characteristics, code
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