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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.
Disc shapes and diameters: A Mini-CD is 8 centimeters in diameter. The digital data on a CD start at the center of the disc and proceeds toward the edge, whi
Write the factors considered in designing an I/O subsystem? 1. Data Location: Device selection, address of data within device ( track, sector etc) 2. Data transfer: Amount
how to write this program,what are the declaration and function are needed in java program in java // aakash , suraj , prem sasi kumar kamaraj college program 1 : pack
What are priority Queues? There are many queues in which we can insert items or delete items from any of the position based on some property. Now, those queues based on the pro
What is the last entry in all BDC tables? In all BDC tables the last entry is to save the data by using the field name BDC_OKCODE and a field value of '/11'.
Convert the octal number 7401 to Binary. Ans. Octal number 7401 to Binary conversion: Every octal digit represents 3 binary digits. To change an octal number to binary number,
Q. Explain about truth table and logic diagram? A Boolean function can be realized in a logic circuit employing the basic gates: - AND, OR & NOT. Concern here for illustration
explain djnz instruction of intel 8051 microcontroler
What are the different sections of a report? A report is categorized into many sections: The Report header: In this you place a control which must appear only at the startin
Q. Describe Critical Directive in FORTAN? The critical directive permits one thread executes associated structured block. When one or more threads attain critical directive the
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