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List the Coffman's conditions that lead to a deadlock.
Mutual Exclusion: Only one process might be use a critical resource at a time.
Hold & Wait: A process may be allocated some resources whereas waiting for others.
No Pre-emption: No resource can be forcible removed from a process holding it.
Circular Wait: A closed chain of processes exist such that every process holds at least single resource required by another process in the chain.
The optimal replacement policy, called OPT, is to evict the page which will be accessed farthest into the future. Since we can't predict the future precisely, we can't implement OP
What is a buddy system? We are dividing the memory as powers of two therefore the division will be 2, 4, 8, 16, 32, 64, 128, 256...i.e. in powers of 2 as well as we are selecti
Ask using a laballed diagram explaining the architecture of windows operating ststem
what is deadlock
Explain hierarchy level directory
how to differentiate scheduling algorithms?
Another solution then would be to keep a pool of threads. Whenever a new task arrives, the system would simply get a thread from pool and set that thread to work on the given task.
simulate hole allocating ahogrithm
Interrupts The hardware mechanism that enables a device to inform the CPU is called an interrupt. The basic interrupt mechanism works as follows. The CPU hardware has a wire kn
Q. Suppose that you want to utilize a paging algorithm that requires a reference bit (such as second-chance replacement or working-set model) however the hardware does not provide
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