Corona is an open-source scheduling framework used on Apache Hadoop based data infrastructure. Corona was initially designed by Facebook to cope up with a large amount of current, incoming data and the queries processed by each data cluster. Corona is considered an advancement or successor to Hadoop MapReduce.
A peripheral device is an internal or external device that connects directly to a computer but does not contribute to the computer's primary function, such as computing. It helps end users access and use the functionalities of a computer.
Peripheral devices include the following:
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