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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.
Explain the uses of thumbwheels Two thumbwheels are usually required to control the screen cursor in its horizontal and vertical position respectively. As the name implies,
You have a file having sporting goods that are sold online. Every item record contains the item id, item name, item description, item category, item price, and the units in stock.
Pipelining - computer architecture: The Pipeline Defined According to John Hayes "A pipeline processor consists of a sequence of processing circuits, called stages or
Q. Define Strategy Procedure? The strategy procedure is called when loaded into memory by DOS or whenever controlled device request service. The major purpose of the strategy i
Navigation to a subsequent screen can be specified statically/dynamically Yes, navigation to a subsequent screen can be specified statically.
The Task Gantt shows the various tasks being performed i.e., some type of activities by the set of processors attached to the parallel computer as shown in Figure . Task Gantt
Describe the additional characteristics needed for an e-commerce server? E-commerce services need dynamic configuration abilities and seasonal and every day service configurat
sir, please give me an source code program for Hierarchial-Directory-system using any Unix/Linux
Q. Physical characteristics and access mode of disk drive? Access Time: Access time is time needed between requests made for a read or write operation until the time data are
What are Assemblies? Assemblies are same to dll files. Both have the reusable pieces of code in the shape of classes/ functions. Dll needs to be registered but assemblies have
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