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What are the deadlock prevention methodologies?
a. Necessitate that processes request all resources before starting - if cannot be granted don't run.
b. Processes only allowed requesting resources when they hold none.
c. If a resource request can't be granted to halt process and take away resources held. Give back and restart while all available simultaneously.
d. If a resource request can't be granted to take them away from some other process.
e. Offering a total ordering of resources and only grant requests if up along the order or release ones ahead in the order
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What is sector sparing is proper definition
Define thrashing. Thrashing is the accident of high page traffic and low CPU utilization. It is observed that the cause of thrashing is an under-commitment of memory to program
Q. The instance of handshaking used 2 bits: a busy bit as well as a command-ready bit. Is it probable to implement this handshaking with only 1 bit? If it is illustrate the protoc
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 the Translation Lookaside Buffer (TLB) In a cached system, the base addresses of the last few referenced pages is maintained in registers known as the TLB that aids in
reasons for process termination
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