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必修2《Learning about Language》优质课PPT课件下载
Charles Babbage.
1936:
The computer began as a calculating machine.
The computer grew rapidly both in size and in brain power.
1940s:
1960s: The first family of computers
was connected to each other.
1970s:
Now:Computers connected people all over the world.
Timeline of "who am I"
The computer had grown as large as a room.
Computers were used in offices and homes.
specific time
1642
1970s
1960s
1940s
1936
1822
1642
1970s
1960s
1940s
1936
1822