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Explain Readers-writers problem.
Readers-writers problem: Assume that a data object (as a file or record) is to be shared between several concurrent processes. The readers are processes which are interested in only reading the content of shared data-object. Writers are the processes which may need to update (i.e. to read and write) the shared data object. No adverse effects will result, if two readers access the shared data object simultaneously. Though, if a writer and some other process (either a writer or reader) access the shared object concurrently, anomaly may arise. To make sure that these difficulties do not occur, writers are needed to have exclusive access to the shared object. Such synchronization problem is referred to as the problem of readers-writers.
DLQ - Dead Letter Queue If an application tries to put a message to one more application and if it is not delivered then it goes to the DLQ. So DLQ is not anything but all und
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Show the two ways in which Warnings can be suppressed in PHP? 1) Stop an individual function call from producing an error message put the @ warning suppression Operator front o
Describe the essential properties of the Real Time operating systems. Real time operating system has following essential properties: Time constraint result Priority
Instruction 1. You can do this individually or in groups of 2-3 students. 2. Any material copied and pasted from anywhere (e.g., figures and text) is considered plagiarism even
Define class NP. Problems that can be solved in polynomial time by a nondeterministic TM. Contains all problems in P and some problems possibly outside P.
Write down the general model for the translation process. For the translation process the general model can be represented as given here:
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write a code to decode the string"i need 1000 bucks"
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