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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.
There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides. But he sometimes mistakes doing that
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RDBMS relational database system - Relational databases are composed of relations and managed through relational operations, and governed through data integrity constraints.
A router is used to Distributes information among networks.
#questi on.. How it works Explain explain
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Q. Explain about Two-pass assembler? Assemblers usually make two or more passes through a source program in order to resolve forward references in a program. A forward referenc
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