This technology had the biggest impact on the capabilities of diagnostic testing. the Internet

computers

the microscope

transportation

B

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The correct answer is option ( B ) computer

Explanation:

they run the test's in a multitude of ways and can provide clear data in organised and profficient ways and it's fast

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it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

explanation:

b. the 200th birthday of the united states