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Your task is to replace the round robin CPU scheduling scheme you developed in Practical 6 with a priority-based scheduling algorithm. To simplify matters, you can maintain the original linked list, but must now calculate a value for the priority field in the pcb structure (within insert_ready()), and modify dispatch() to take this value into account when selecting the next process to run.
When calculating a priority value, some possible inputs are:
1. the age of the process;
2. the amount of time a process has been waiting since its last cpu burst;
3. the total accumulated cpu time for the process;
4. anything else in the PCB;
5. the system time.
File allocation using I nodes. This method is used to decrease the size of the table in the above method. Every file will have an I-node list. Allow a file have 15 pointers a
Q. Presume an operating system maps user-level threads to the kernel using the many-to-many model and the mapping is done through LWPs. Additionally the system allows developers to
List two types of system directories A) Device directory:- Describing physical properties of files. B) File directory :- Giving logical properties of the files.
What is File Allocation? The structure that offers the FAT file system its name is the file allocation table . In order to know what this important table does, you should fir
TII stands for The abbreviation of TII is Table of incomplete instructions.
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
fork and join syntax in java
Q. Explain about Time Sharing Systems? Time Sharing Systems Multi-programmed batched systems provide an environment where various system resources (for illustration CP
Determine a scheduling policy that is most suitable for a time-shared operating system Round-Robin is a scheduling policy that is most suitable for a time-shared operating s
Define Overflow Chaining Another method will divide the pre-allocated table into two sections: the primary area to determine which keys are mapped and an area for collisions, g
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