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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.
Define the difference between union and structure The main difference between union and structure is the storage allocation. In Union , for each variable the compiler allocates
Reflexes - artificial intelligence: If an agent decides upon and executes an action in response to a sensor input without consultation of its world, then this can be considere
In a 10000 line exchange, 0000 to 2999 is allotted to x group of subscribers, out of which 40% are active during busy hour. The remaining numbers are domestic numbers out of which
How do you turn off cookies for one page in your site? Use the Cookie. Discard Property which Gets or sets the discard flag set by the server. When true, this property initiat
Q. What is Gustafsons Law? Amdahl's law is appropriate for applications where response time is significant. On the other hand there are numerous applications that necessitate
Associative Memory Organisations The associative memory is organised in w words with b bits per word. In w x b array, every bit is known a cell. Each cell is made up of a flip-
Difference between aggregation and association Aggregation is a particular form of association, not an independent concept. Aggregation acts semantic connotations. If two objec
What is WMFC? WMFC if the control signals that causes the processor's control circuitry to wait for the arrival of the MFC signal.
A phonetic password generator picks two segments randomly for each six letter password. form is CVC. what is the total password population? 1> what is the total password population
Explain the Executing Requests Using a Message-Passing Architecture Executing requests using a message-passing architecture requires good fundamental client-server programming
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