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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.
What factors are involved in choosing the host operating system?
Q. Advantages and disadvantages of multiprogramming? Advantages 1. High CPU utilization. 2. It appears that many programs are allotted CPU almost concurrently. D
Define throughput? Throughput in CPU scheduling is the number of processes that are completed per unit time. For long processes, this rate might be one process per hour; for sh
Briefly explain the process management in UNIX. UNIX makes use of the easy but powerful process facility that is visible to the user. UNIX follows the model in which the majori
Swapping : Whole process is moved from the swap machine to the main memory for execution. Process size must be equal or less than to the used main memory. It is easier to exe
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
What is an I/O subsystem? The control of devices connected to the computer is a main issue while designing operating systems. Because I/O deices differ widely in their function
Question: (a) Explain the similarities and differences between two different threads running in the same process and two independent processes. When would you want to use two t
what is cpu
Enhanced second-chance algorithm. When we increase the second-chance algorithm by considering both the reference bit and the modify bit as an order pair. We have the following
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