Answer:polling and interrupt
Explanation: polling is a protocol in which the CPU constantly checked if a device request an important attention based on a request. The polling process unit constantly scans the device. Example of polling is when a parallel printer port is pulled to check whether it is ready for another character which involves examining as little as one bit of a byte.
interrupt is a mechanism whereby a device notifies a CPU that it requires a response based on a request. The CPU gets an interrupt signal via an interrupt request line allowing the CPU to spot it's current process and give priority to the interrupt request at that point in time. Example of interrupt is pressing a key on a keyboard which in turn triggers a specific interrupt handler.
An absolute monarchy has complete control over everything and everyone <span />
Answer: "obsessive-compulsive disorder (OCD)" .
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Answer:
Plessy v. Ferguson
Explanation:
Plessy v. Ferguson was a landmark ruling of the United States Supreme Court in 1896 that provided legal justification for segregation and upheld the constitutionality of racial segregation laws on buses, public facilities etc.
This case came as a result of an incident in which an African American train passeger Homer Plessy refused to sit in the black only section of the train. Plessy argue that segregation law violate the Equal Proctection Clause of th Fourteenth Amendment which forbids states from denying any person within their jurisdiction the equal protection of the laws. However Ferguson ruled that separate but equal facilities were constitutional.
Ferguson stand came to be known as separate but equal doctrine
Supreme Court Of The United States. U.S. Reports: Plessy v. Ferguson, 163 U.S. 537 . 1895.
