PET History of personal computers

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oct. 1977: commodore pet.


chuck peddle designed commodore pet (short personal electronic transactor) around mos 6502 processor. single-board computer new display chip (the mos 6545) driving small built-in monochrome monitor 40×25 character graphics. processor card, keyboard, monitor , cassette drive mounted in single metal case. in 1982, byte referred pet design world s first personal computer .


the pet shipped in 2 models; 2001-4 4 kb of ram, or 2001-8 8 kb. machine included built-in datassette data storage located on front of case, left little room keyboard. 2001 announced in june 1977 , first 100 units shipped in mid october 1977. remained back-ordered months, , ease deliveries canceled 4 kb version next year.


although machine successful, there frequent complaints tiny calculator-like keyboard, referred chiclet keyboard due keys resemblance popular gum candy. addressed in upgraded dash n , dash b versions of 2001, put cassette outside case, , included larger keyboard full stroke non-click motion. internally newer , simpler motherboard used, along upgrade in memory 8, 16, or 32 kb, known 2001-n-8, 2001-n-16 or 2001-n-32, respectively.


the pet least successful of 1977 trinity machines, under 1 million sales.








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