Прочитайте текст The first generation of computers which used vacuum tubes came out in 1950. These c...: ответ на тест 781478 - Английский язык

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The first generation of computers, which used vacuum tubes, came out in 1950. These computers could perform thousands of calculations per second. About 1960, the second generation of computers was developed and these could perform work ten times faster than their predecessors. The reason for this extra speed was the use of transistors instead of vacuum tubes. Second-generation computers were smaller, faster. One of the best of these second-generation computers is the Soviet BESM-6 (big electronic counting machine).
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The first generation of computers came out ______________________.

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The first generation of computers, which used vacuum tubes, came out in 1950. These computers could perform thousands of calculations per second. About 1960, the second generation of computers was developed and these could perform work ten times faster than their predecessors. The reason for this extra speed was the use of transistors instead of vacuum tubes. Second-generation computers were smaller, faster. One of the best of these second-generation computers is the Soviet BESM-6 (big electronic counting machine).
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The first generation of computers came out ______________________.

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The third-generation computers began to appear in 1965. These computers could do a million calculations a second, which is 1000 times as many as first-generation computers; they are controlled by tiny integrated circuits and are consequently smaller and more dependable. Fourth-generation computers have now arrived. They are based on ICs greatly reduced in size due to microminiaturization, which means that the circuits are much smaller than before. As many as 1000 tiny circuits now fit onto a single chip. Fourth-generation computers are 50 times faster than third-generation computers.
The most recent mainframe computers based on very large scale integration are becoming available in the mid-1980’s.
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Fourth-generation computers are 50 times faster than _______________________.

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1______________, the name of the current system must be present in the display; for example: Home-1. Your charges may vary depending on the cellular carrier used.
Enter 2 ______________ and press SEND. After you have pressed SEND to make the call, the word Dialing appears in the display.
When you have 3_____________ a mobile switching center, the confirmation message In-Use will appear in the display. 4_______________, the word Call will also be displayed along with the approximate duration of the call.

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 When your call is finished,1_________ . The message In-Use will appear in the display for approximately two seconds after you press END.
Press END 2_________________ occur:
- No one answers
- You hear an engaged or equipment engaged tone (busy signal)
- 3________________ that the phone number is unobtainable.
The phone number you dialed 4_______________ so you can easily repeat the call. Refer to Cast Number Re-dial for more information.

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To store a phone number in standard memory, 1_________________:
1.  Press MENU.
2.  Press YES to enter the Memory function
3.  Press YES to enter the Store Memo function.
4.  A display similar to the one on the left appears. 2___________________ to enter the name you want stored with the number. When a block character appears to the right of the letter entered, you can enter the next letter.
5.  Once you have entered the text, press Down Arrow to move to the number entry position.
6.  Enter the phone number. 3________________ before accessing Menu mode, that number can be used as the number to be stored in memory. To delete an entered number, press the CLR key.
7. Press YES to store the number. 4________________ are now stored in the first available memory position.