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The history of computers
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A computer can carry out arithmetic-logical operations …… .
A new branch of mathematics, …… , was invented in England and Germany independently.
A young American clerk invented means of coding …… by punched cards.
Air traffic control depends on …… computer information.
An integrated circuit is a group of elements connected
British scientists invented a …… way of multiplying and dividing.
Computers are used for image …… .
Computers have become …… in homes, offices, research institutes.
Computers help in …… of economy.
Information is given into the computer in the form of …… .
Inputting information into the computer is realized by means of …… .
J. von Neumann simplified his computer by storing information in a …… code.
John Kilby was the …… of the first two-electrode vacuum tube.
Mark I was the first …… computer that could solve mathematical problems.
Microelectronics greatly extended man''s intellectual …… .
Microelectronics greatly extended man's intellectual …… .
Modern …… began in the early 20th century with the invention of electronic tubes.
One of the transistor advantages was lower power …… , in comparison with vacuum tubes.
Soon were replaced by …… terminals.
Space …… uses computers widely.
The basic function of a computer is …… information.
The data needed for solving problems are kept in the …… .
The transistor consists of a small piece of a …… with three electrods.
They …… very little power.
Transistors have many …… over vacuum tubes.
Vacuum tubes could control and …… electric signals.
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