History of Computers.

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Presentation transcript:

History of Computers

Abacus

Abacus

Da Vinci

Napier’s Bones

Napier’s bones

Jacquard Card

Jacquard Card

Jacquard Loom

1642 Pascaline

Hollerith

Hollerith Desk

Hollerith Operator

census

Pascaline - front

Pascaline - Back

Difference Engine - Babbage

Enigma 8 rotors

enigma

Enigma keyboard

Enigma

Enigma Rotors

Installed rotors

Core memory

Core memory

Core memory

Core memory

ABC

Collossus

Colossus II

ENIAC

ENIAC

ENIAC

ENIAC

ILLIAC

Mainframe

Mainframe

Magnetic Tape

Magnetic drum

Magnetic Tape Reader

IBM 360 cheque reader

IBM

IBM

DEC PDP 12

Paper tape

Paper tape

Paper tape

PDP 11

Punch card

keypunch

UNIVAC card

Teletype

Tape Drive

IBM PC

Altair

Apple I

Sinclair ZX81

Atari 400

Atari 800XL

Atari ST

Atari ST

Mini Office Professional

Amstrad PCW

Apple Macintosh

Commodore PET

Commodore 64

Commodore Amiga

NeXT

CRAY

CRAY II

Me and the cray

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