Fill in the blanks in the following paragraph with suitable prepositions. Computers have been shrinking (1) size ever since the introduction (2) the concept almost two centuries ago. The latest developments (3) microchip manufacturing is likely to make them even smaller. The earliest prototype (4) a'computer was invented by Charles Babbage. This machine was called the Difference Engine. It had 26,000 parts and weighed (5) 15 tons. The first electronic computer was introduced towards the end of World War II. It had1,500 vacuum tubes and was even heavier than Babbage's computer. The introduction of the silicon based microchip___ (6) the early 1950s changed the destiny of computers forever. The first microchip computers were still very complex. They had more than 100,000 transistors and measured several meters across. Today's microchips are incredibly small and scientists are working (7) making them even smaller.
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name the type of carbohydrates that can be digested by ruminants but not by humans. *
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1) in
2) of
3) of
4) of
5) about
6) in
7) on
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