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Here are the conditions necessary for a deadlock to occur; note that all of them are necessary, and none is suf?cient:
1. ?nite resources: the resources are held in a mutually-exclusive way, and they can be exhausted, causing waiting.
2. hold-and-wait: each thread holds one resource while waiting for another.
3. no preemption: threads only release resources voluntarily. No other thread (or the OS) can force the thread to release its resources.
4. circular wait: we have a circular chain of waiting threads.
Q. In some systems a subdirectory is able to be read and written by an authorized user just as ordinary files can be. a. Explain the protection problems that could arise. b.
What are files and explain the access methods for files? File definition Attributes, operations and types Direct access Sequential access with diagram Other access
Q. Why is it important to scale up system bus and device speeds as the CPU speed increases? Answer: Consider a system which carries out 50% I/O and 50% computes. Doubling-up
Explain working of the logical file system The logical file system manages metadata information. Metadata contains all of the file-system structure, excluding actual data. It h
You have been requested by your Senior Engineer to design an Engine Control Unit (ECU) and prepare a report detailing your proposed solution. The client requires a design for a mic
What is single and multithreading and thread pool?
Ask question Project Details PROJECT OVERVIEW The ABC Hospital is upgrading their version of Windows. As part of the upgrade, 100 new computers will be purchased. Your task is to
What is a Latency Time Latency Time is the time required through a sector to reach below read/write head.
explain in detail about ipc in linux
How File record length should be chosen File record length should be selected to match the data characteristics
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