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Define request edge and assignment edge.
Answer: A directed edge from process Pi to resource type Rj is denoted by Pi->j; it signifies that process Pi requested an instance of resource type Rj and is currently waiting for that resource. A directed edge from resource type Rj to process Pi is denoted by Rj->Pi, it signifies that an instance of resource type has been allocated to a process Pi. A directed edge Pi->Rj is called a request edge. A directed edge R->Pi is called as an assignment edge.
Define swapping. A process requires being in memory to be executed. Though a process can be swapped temporarily out of memory to a backing store and then brought back into memo
Suppose a logical address space is 1KB, and the page-size is 16 bytes. Assume no page is in the main memory for this process initially and the pure demand paging is used. Current f
simple explanation
Now let's implement bounded producer-consumer with semaphores, a Coke machine which is initially empty: semaphore sem_mutex = 1 // binary semaphore for mutual exclusion, 1==unlo
Q. Consider a calculating environment where a unique number is associated with each process and each object in the system. Suppose that we permit a process with number n to acce
BENEFITS OF THREADS OVER PROCESS If implemented correctly after those threads have some advantages of (multi) processes, they take: 1. Less time to create a new thread tha
Explain the steps in deadlock recovery. a) Exterminate off all processes involved - drastic. b) Exterminate off one at a time till deadlock gone - select a victim.
what is independent process? distinguished between independent process and co-operating process
Mention some attractive properties of semaphore? The Semaphores aren't provided by hardware. However they have numerous attractive properties: Machine indep
What OS''s are available in market as open source?
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