Divinding a long search key into pieces and combining them through addition or a bit wise boolean operation is called
a. folding
b. combining
c. hashing
d. optimizing

A)Folding

Explanation: Folding is the kind of process that occurs for division or splitting of the keys that have a long length into the smaller parts and thus after that attaching it together in the form of Boolean expression or maybe through addition process.It is the function that is composed on the expression with the fold nature.Therefore, the correct option is the option (a).

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explanation:

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