二零二三年 优质公开课Unit3Computers6.pptx

Reading: Who am I? Skimming: Read and answer these questions:2. Who was the first person to invent the earliest computer? 3. Who was the next important person to design computers? Charles BabbageAlan Turing1. Who am I?A computer. timeline1642: 1822: 1936: 1940s:1960s: 1970s: Now: Scanning:The computer began as a calculating machine. the Analytical Machine was built by Charles Babbage.The computer grew rapidly both in size and in brainpower.Computer had grown as large as a room.Computers were used in officers and homes.Computers connect people all over the world together.the first family of computers was connected to each other The history of computers the second generation (1956-1963)the third generation (1964-1971)the fourth generation (1971- )The first generation (1945-1956) The development of computers:Calculating machineAnalytical machineUniversal machineArtificial intelligenceComputerInternet计算器分析机万能机,通用机器人工智能 Develop-mentEarly daysNameFunctionPoorStrongA _________ machineSimplify difficult sumsAn ________ machineThink logically and produce an answer quicklyA _________ machineSolve difficult ______________________calculatinganalytical universal mathematical problems Develop-mentNetwork times_________ stored inTubesLargeSmall____________Small chips ________________Narrow WideFinance________RobotsMobile phones___________Space rocketsMedical operations MemoryTransistorsApplicationsCommunicationTrade Star sentences:P1 L2 I _______instructions from cards with holes.P1 5 Earlier I was not very big, but then I became ______ .P1 L6 However, people thought I was ___________ until they _________ I had “artificial intelligence.”我执行穿孔卡的指令早些时候我并不是很大，但是后来我变得非常大可是，人们认为我头脑简单， 直到发现我有人工智能时，他们才不那么想了。followedhugesimple-mindeddiscovered P1 L8 As the years have ________, I have been made smaller and smaller.P2 L1 There were ______ when my size was ________changed.P2 L3 But I was always so lonely _______ there by myself,