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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.
Q. Pros and Cons of general purpose register architecture? General Purpose Register Architecture: Pros and Cons Registers can be employed to store variables as it decrea
Explain The Boolean Equations for Logic Circuits? A Boolean equation is the mathematical representation of a logic circuit using standard Boolean terms. All the logic gates (AND,
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What is a resource-allocation graph? Deadlocks can be described more precisely in terms of a directed graph known as a system resource allocation graph. This graph having of a
1's complement representation of decimal number of -17 by using 8 bit representation is ? Ans. (17) 10 = (10001) 2 In 8 bit = 00010001 1's Complement = 11101110
What are the different pieces of the virtual address in a segmented paging? The various pieces of virtual address in a segmented paging are as demonstrated below:
What are the conditions that have to be met for a condition to be an invariant of the class? Ans) ? The condition should hold at the end of each constructor. ? The conditi
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Define cache line. Cache block is used to refer to a set of contiguous address location of some size. Cache block is also referred to as cache line.
What are vectored interrupts? To decrease the time involved in the polling process, a device requesting an interrupt may recognize itself directly to the processor. Then the pr
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