Commodore Plus/4 computer

Dublin Core

Title

Commodore Plus/4 computer

Subject

hardware: home computer

Description

The Commodore Plus/4 home computer was released by Commodore International in 1984. It was a CPU unit in plastic enclosure with built-in keyboard. The distinctive feature of the computer were four applications resident in the computer's ROM: a word processor, a spreadsheet, a database, and a graph generator program.

Hardware:
  • CPU: MOS Technology 7501/8501
  • RAM: 64 KBytes expandable to 256 KBytes and 1 MByte via memory expansion port
  • ROM: 64 KBytes
  • GPU: MOS Technology TED (TED 7360); text mode: 25 lines by 40 characters;  graphics modes: 160x200 and 320×200 (hi-resolution); 121 colors (15 colors x 8 luminance levels + black)
  • ports: serial port, tape storage connector, ROM cartridge slot, two joystick ports, user port (for connecting peripherals such as  modems), video port (S-Video and mono audio)

ROM resident software:
  • Commodore BASIC 3.5,
  • machine code monitor,
  • word processor,
  • spreadsheet,
  • database,
  • graph generator program

The museum has a  Commodore Model Plus/4, serial number CA1043221.

Creator

Commodore Business Machines Ltd.

Date

1984

Type

Hardware

Identifier

H.19

Contribution Form

Online Submission

No

Files

Commodore_Plus_4.jpg

Citation

Commodore Business Machines Ltd., “Commodore Plus/4 computer,” York University Computer Museum Canada, accessed December 3, 2021, https://museum.eecs.yorku.ca/items/show/24.

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