What does ENIAC as an acronym stand for？
A. Electronic Numerical Integrator and Computer
B. Electronic Number Interface Analysis Computer
C. Electronic Number Interface and Computer
D. Electronic Numerical Interchange and Computer
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1．We can learn from the text that a computer can ______.
A. be best used as a calculating device
B. be best used in word processing
C. find uses almost everywhere
D. have intelligence of its own
From the text, we learn that in 1985 ______.
A. Microsoft released their first version of Windows at $100
B. Microsoft gave another version of MS-DOS 3.2
C. Microsoft sold its shares to the public first
D. All of the above
What was not true of the first electronic computers？
A. Harvard MK I was general-purpose electromechanical programmable computer.
B. Colossus used electronic valves.
C. They used punched cards for their main, non-volatile storage.
D. Scientists in the U. K. and the U. S. A worked together in 1943 to develop the first electronic computers.
增值税专用发票由（）印制。
A. 国务院税务主管部门指定的企业
B. 地方人民政府主管部门指定的企业
C. 省、区、直辖市地方税务局指定企业
D. 省、区、直辖市国家税务局指定企业
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