-
The worlds first computer using sliding beads.
-
The worlds first mechanical calculator.
-
The worlds first punch card.
-
The worlds first Arithometer, manuafactured in Paris after WW1.
-
The worlds first Automatic calculator machine that builds tables.
-
The worlds first electronic digital computer.
-
-Used vaccuum tubes
-huge
-produced so much heat that the air conditioning wasn't needed
-unrealiable -
Early 1960s
-faster and more reliable
-transistors
-needed less power to run
-more memory space
-gave off less heat -
Late 1960s
-Silicon chips
-faster, smaller, more reliable
-software industry emerged -
-Microprocessors
-Microcomputers
-smaller circuitry
-user-friendly
-computers in homes