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(金戈铁骑整理制作)
Unit3Computers
keyboard
mouse
monitor
screen
speaker
hostcomputer
Whatdotheyhaveincommon?
Anabacus
Acalculator
Adesktop
Anotebookcomputer
digitalcamera
alaptop
palmtop
Reading:
WhoamI?
Listentothetapeandanswerthesequestions.
2Whowasthefirstpersontoinventtheearliestcomputer?
3Whowasthenextimportantpersontodesigncomputers?
CharlesBabbage
AlanTuring
1WhoamI?
Acomputer.
timeline
1642:Thecomputerbeganasacalculatingmachine.
1822:theAnalyticalMachinewasbuiltbyCharlesBabbage.
1936:AlanTuringwroteabooktodescribehowcomputercouldbemade.
1960s:Computerhadnewtransistorsandbecamesmaller.
1970s:Computerswerebroughtintopeople’shomes.
Now:Computersconnectpeopleallovertheworldtogether.
Scanning
Calculatingmachine
Computer
Internet
Analyticalmachine
Artificialintelligence
Universalmachine
Thedevelopmentofcomputers:
Usefulphrases
calculatingmachine
Analyticalmachine
cardwithholes
technologicalrevolution
universalmachine
artificialintelligence
goby
byinternet
humanrace
计算器
分析机
穿孔卡
技术革命
万能机,通用机器
人工智能
走过,过去
通过网络
人类