1.Fill in each blank with a word chosen from the list below to complete the meaning of the sentence: 
 chip, speed, figure out, calculating, reduces, microminiturization, 
 analog, logarithm, abacus, machine, vacuum tubes, 
 tiny, dependable, devised 
 1. The very first . device used was 10 fingers of a man’s hand. 
 2. Then, the . was invented. 
 3. J. Napier . a mechanical way of multiplying and dividing. 
 4. Henry Briggs used J. Napier’s ideas to produce . . 
 5. The first real calculating . appeared in 1820. 
 6. This type of machine . the possibility of making mistakes. 
 7. In 1930 the first . computer was built. 
 8. This was the first machine that could . . mathematical problems at a very fast speed. 
 9. In 1946 was built the first digital computer using parts called . . 
 10. The reason for this extra . was the use of transistors instead of vacuum tubes. 
 11. The second generation computers were smaller, faster and more . than first-generation computers. 
 12. The third-generation computers are controlled by . integrated circuits. 
 13. This is due to ., which means that the circuits are much smaller than before. 
 14. A . is a square or rectangular piece of silicon, usually from 1/10 to 1/4 inch. 
 2. Finish the following sentences: закончите предложения. 
 1. The first generation of computers came out in . . 
 2. The second generation of computers could perform work ten times faster than their . . 
 3. The third-generation computers appeared on the market in . . 
 4. The fourth-generation computers have been greatly . . 
 5. The fourth-generation computers are 50 times faster and can . .
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							1.Fill in each blank with a word chosen from the list below to complete the meaning of the sentence:...
							 
 
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