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Answer:
A. Invention of microprocessor
Explanation:
The third generation of computer itself was based on the technology of integrated circuits (shorten as IC).
It lasted for about 6 years and was brought to an end with the advent of the fourth generation of computers which was based on microprocessors.
Hence, option A answers the question.
Answer:
Option A is correct
Explanation:
It would help in building the right architecture and configuration that would decrease those operations times by a large magnitude like uploading or updating large number of records.