Surprisingly, Moore's law has held true since the early 1970s and will probably stand well into
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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
One of the great revolutions of all time that occurred in 1948 was ______.
A. the invention of a transistor
B. the discovery of silicon
C. the production of a crystal called a diode working like a valve
D. the beginning of the start of microelectronics
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