As manufacturing techniques allow components to shrink in size, hardware engineers find it easier to work.
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Surprisingly, Moore's law has held true since the early 1970s and will probably stand well into
Herman Hollerith devised an electromechanical machine in order to ______.
A. save time
B. accept punch cards
C. allow a current to pass through a hole
D. produce the statistics of the population
From the second paragraph, we know ______.
A. Hollerith was a good businessman
B. International Business Machines was the original name of the company Hollerith set up
C. Watson was business-minded
D. Hollerith's machine found little use in the 1890 census
The world's first large electronic computer (1946) ______.
A. was built after the World War Ⅱ
B. was used for over 10 years
C. contained 25000 valves
D. could perform only 10000 calculations per second
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