What is Semaphore
What is Semaphore? Briefly illustrate it.
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Semaphore is synchronization device to resolve critical-section trouble, can be employed to control access to the critical part for a process or thread. The main drawback (that is. similar of mutual-exclusion) needs busy waiting. It will make troubles in a multiprogramming system, where a single CPU is shared among numerous processes.
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What bearer types are utilized for WAP in GSM? In GSM, WAP can be run over the Short Message Service (SMS) or by means of Circuit Switched Data (CSD). The latter provides much greater bandwidth.
Analysis of Layered Model A) Components organized hierarchically B) In this model of data communication every layer provides certain set of functions which other layers can call
Explain the functionality of accelerometer of an iphone?
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