(
课件网) 沪教版（2024） 英语（八年级上） Unit 3 Section 4 Focusing culture, Cross-curricular connection, Project Our digital lives 学习目标 I can talk about the history of computers, understand how digital technology changes our lives. improve my digital literacy. analyse the positive and negative effects of the internet on daily life 01 新 课 导 入 03 应 用 实 践 06 回 顾 总 结 07 随 堂 小 练 02 学 习 理 解 04 迁 移 创 新 05 考 点 速 递 学习内容 新课导入 1 We can use it to…… What can we use a computer to do Free talk send e-mails Listen to music play computer games Computers can be used in our daily life. We can use it to…… What can we use a computer to do chat shop online have a meeting on line We can use it to…… What can we use a computer to do Operate railways fly planes and spaceships control robot Charles Babbage and Ada Lovelace designed the first programmed machine in Britain. Ada was the first computer programmer. The development process of computers Since computers can be used in our daily life. Do you know how computers developed Ada Lovelace The founder of computer programs Charles Babbage Early computers were built as big as a room. With the invention of the microchip in 1970, Computers became faster and smaller The development process of computers as big as a room The first PC for home use came out in 1980. Later smartphones arrived and became small computers. The development process of computers In the future, computers may be tiny (even in clothes). Quantum computers(量子计算机） will be the next big breakthrough, much faster and more powerful. The development process of computers 学习理解 02 How has digital technology changed the world Think Focusing on culture Computer technology develops quickly and has changed our world greatly. Let's explore the history of computers Read the text to find out how computers have developed over the years. The story of the computer A computer is any machine that can be programmed with a set of instructions. 1837 In Britain, the first machine with a program was designed by Charles Babbage and his student Ada Lovelace. Charles wanted a machine to add up big numbers, but Ada realized that a computer program could do a lot more. She was the first computer programmer. 1936 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 modem computers. 1940s Scientists built early computers in England and Germany. They were the size of a room! 1981 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. 1971 Ted Hoff was the main inventor of the microprocessor, or “microchip”. This was a major breakthrough in the history of computers. ... ...
