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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 Electrically Erasable Programmable ROM - Computer Memory? The next level of erasability is the EEPROM which able to be erased under software control. This is the most f
Name the 7400 series TTL chip which is a priority encoder. Write its truth table. Ans. Available IC in 74 series is 74147 that is a priority encoder. Such I
Define throughput? Throughput in CPU scheduling is the number of processes that are completed per unit time. For long processes, this rate might be one process per hour; for s
Q. Illustrate the working of FLIP-FLOPS? A flip-flop is a binary cell that stores 1-bit of information. It itself is a sequential circuit. We know that flip-flop can change its
Which transmission mode is used for data communication along telephone lines? Serial transmission mode is utilized for data communication along telephone lines.
In floating point numbers when so you say that an overflow or underflow has occurred? Ans: A) In single precision numbers when an exponent is less than +127 then we say that
Basic idea: However in the above decision of tree which it is significant that there the "parents visiting" node came on the top of the tree. Whether we don't know exactly the
i need algorithm for padovan string
Program 'preemption' is? Ans. Forced de allocation of the CPU from a program that is executing on the CPU is called preemption program.
Granularity Granularity refers to the quantity of computation done in concurrent relative to the size of whole program. In concurrent computing, granularity is a qualitative me
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