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Write a short note about context switch.
Switching the CPU to another process needs saving the state of the old process and loading the saved state for the new process. This task is recognized as a context switch. The context of a process is symbolize in the PCB of a process it includes the value of the process state, CPU registers, and memory-management information. When a context switch takes place, the kernel accumulates the context of the old process in its PCB and loads the saved context of the new process scheduled to run. Context-switch time is pure overhead for the reason that to machine depending on the memory speed the number of registers that have to be copied, and the subsistence of special instructions. Usual speed range from 1 to 1000 microseconds. Context-switch times are extremely dependent on hardware support.
Priority Scheduling leads to the risk of starvation: a process is ready, but never is given the processor. Some preemptive priority schedulers therefore reserve a fraction of the p
What is linked allocation, as detailed in text? Directory has pointers to first and last blocks of file. Every block of file (except last) has pointer to the next block.
single pass assembler
Examining the write/cycles as shown below We can see that the bus is designed for asynchronous read/write cycles. The operation of the write cycle is simple in that the add
Now let us present an implementation of a producer-consumer system using condition variables. This implementation works. dequeue() lock(A) while (queue empty) { wait(A, C)
Consider the following C program where M, N, K are predefined constants. Assume int is 4 bytes. Suppose this program is run on a machine with 4KB page size and 32 TLB entries. Init
please help us to write a code in c for tree directory structures.
1. On every access, mark the page with a timestamp. Whenever we need to evict a page, we search through memory for the oldest page, the least-recently used page. But we need memory
Question: (a) Briefly discuss and describe the possible RMI invocation semantics. (b) (i) What is data marshaling? (ii) Explain the role of a remote object reference dur
A working Ubuntu Linux operating system. You can use a Live-CD to complete this assignment. Create an empty text file named assignment6.txt in your home directory. Edit this
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