Заполните пропуски необходимыми словами.

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12. Заполните пропуски необходимыми словами.

1. The first digital computer could - a lot of mathe­matical problems at a fast______2. Vannevar Bush built the

first___ computer in 1930- 3- Babbage's analytical engine was designed to____ data. 4. J.von Neumann invented a ma­chine that was able to_____not only data but also_______. 5. Neumann_____the idea of storing data in a___________. 6. Computers use two conditions for______symbols. 7. The invention of ___________ made computers possible to control and_____electronic signals. 8. Due to___________computers could perform

much faster.

13. Переведите предложения или словосочетания, содер­жащие:

А. Инфинитив в функции обстоятельства

1. Computers were designed to perform thousands" of com­putationsper second. 2. To make computers more reliable tran­sistors were used. 3. They were applied to reduce computation­al time. 4. To integrate large numbers of circuit elements into a small chip, transistors should be reduced in size. 5. To use in­tegrated circuit technology new computers were built. 6. Ana­lytical engine was invented to store data.

Б. Инфинитив в функции определения

The problem to be solved; the work to be finished; the cards to be punched; calculations to be performed; the machine to be shown at the exhibition; the device to be provided with the nec­essary facts; computers to be used for data processing; efforts to increase reliability; electronics to connect systems and sub­systems; the speed of response to depend on the size of transis­tor; computers to perform thousands of calculations per second; vacuum tubes to control and amplify electric signals; these are circuits to use a large number of transistors; operations to be performed.

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