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Page 1: History of Computers

History of Computers

Page 2: History of Computers

Abacus

Page 3: History of Computers

Abacus

Page 4: History of Computers

Da Vinci

Page 5: History of Computers

Napier’s Bones

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Napier’s bones

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Jacquard Card

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Jacquard Card

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Jacquard Loom

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1642 Pascaline

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Hollerith

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Hollerith Desk

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Hollerith Operator

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census

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Pascaline - front

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Pascaline - Back

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Difference Engine - Babbage

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Enigma 8 rotors

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enigma

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Enigma keyboard

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Enigma

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Enigma Rotors

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Installed rotors

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Core memory

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Core memory

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Core memory

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Core memory

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ABC

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Collossus

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Colossus II

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ENIAC

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ENIAC

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ENIAC

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ENIAC

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ILLIAC

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Mainframe

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Mainframe

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Magnetic Tape

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Magnetic drum

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Magnetic Tape Reader

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IBM 360 cheque reader

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IBM

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IBM

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DEC PDP 12

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Paper tape

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Paper tape

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Paper tape

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PDP 11

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Punch card

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keypunch

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UNIVAC card

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Teletype

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Tape Drive

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IBM PC

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Altair

Page 57: History of Computers

Apple I

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Sinclair ZX81

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Atari 400

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Atari 800XL

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Atari ST

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Atari ST

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Mini Office Professional

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Amstrad PCW

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Apple Macintosh

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Commodore PET

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Commodore 64

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Commodore Amiga

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NeXT

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CRAY

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CRAY II

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Me and the cray