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课件网) 英语沪教版八年级上册 Our digital digital lives Our lives Lesson 5 Focusing on culture Unit 3 Learning objectives 理解并正确使用与计算机技术相关的关键词汇，如microprocessor, microchip, electronic, software等。 读懂介绍计算机发展历程的文章，获取计算机技术发展的关键信息，理解计算机技术的发展历程。 了解中国“祖冲之号”量子计算机的成就，增强本土科技创新的文化自信。 1 2 3 重点 Look and say What are they Computers Think and say If these two devices had a conversation, what would they say Example: Wow, humans have made computers so small and powerful! modern smartphone 1940s room-sized computer Read and choose Tip: You can get some clues about the main idea from the title, subtitles and the pictures provided. The passage is mainly about ( ). A. The future of quantum(量子) computing. B. The characteristics of modern smartphones. C. The impact of the internet on society. D. The history of computer development. D Read and answer What is the TEXT TYPE of this passage ( ). A. Argumentation B. Narration C. Exposition C Read and fill A computer is any _____ that can be _____ with a set of _____. What is a computer machine programmed instructions Let’s think How have computers developed over the years Let’s explore! Read and match A. Room-sized computers B. First PC for public C. First machine with a program D. Quantum computers ... E. Microprocessor or “microchip” F. Smartphones G. Turing machine C G A E B F D 1837 1936 1940s 1971 1981 Future 1990s-present C G A E B F D First machine with a program Turing Machine Room-sized computers Read and fill 1837 1936 1940s In , the machine with a program was Charles Babbage and his student Ada Lovelace. Charles wanted a machine to add up big numbers, but Ada realized that a could do a lot more. She was the first computer programmer. Britain first was designed by add up computer program Scientists built early computers in England and Germany. They were the size of a room! England and Germany room British scientist Alan Turing read Ada’s ideas and created the Turing machine, the basic design of a computer system. The Turing machine could do all kinds of calculations , and it could also run different programs. This is the basis for all modern computers. British scientist Turing machine design calculations different programs basis basic Read and fill Microprocessor or “microchip” First PC for public 1981 Ted Hoff was the main inventor of the microprocessor , or “microchip”. This was a major breakthrough in the history of computers. the microchip, computers and other electronic devices got faster and smaller nn very quickly. 1971 突破 microprocessor breakthrough Thanks to faster and smaller 微处理器 A US company designed the first PC (personal computer) for the general public. Experts didn’t believe that anybody wanted a computer at home. But in two years they sold thousands of them. personal computer thousands of Read and fill Smartphones Quantum comp ... ...
