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Plus/4

The Plus/4 is a home computer released by Commodore International in 1984. It is part of the Commodore 264 series, which also includes the Commodore 16 and Commodore 116 models. The Plus/4 was marketed as "the productivity computer with software built in", with a four-application ROM-resident office suite: word processor, spreadsheet, database, and…

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CPU
MOS Technology 7501 or 8501 @ 1.76 MHz
Discontinued
1985
Graphics
TED (320 × 200, 121 colors)
Introductory price
US$299 (equivalent to $930 in 2025)
Manufacturer
Commodore Business Machines
Memory
64 KB RAM + 64 KB ROM

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Overview

History

Hardware

Software

Peripherals

Performance

Reliability

Reception

Adoption

Succession

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Map overview Semantic statistics

Plus/4

Nodes129
Edges128
Triples233
Avg. degree1.98
Density0.015504
Components1

How this topic connects Entity context

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Plus/4

Top relations

related to Specifications · 38
Plus/4 → AC, BASIC, C128, C64, Commodore, Commodore BASIC, Composite, CPU, Datassette, DC, DIN, Graphics, I/O, It, KB, MBROM, MHz, MOS Technology, MOS Technology TED, NTSC
related to history · 36
Plus/4 → All, C116, C16, C64, Commodore, Commodore's, Commodore's MOS Technology, Commodore's PET, Companies, CPUs, Even, I/O, In, Jack Tramiel, KB, Later, MOS, MOS Technology TED, Plus/4's, ROM
related to Application software · 21
Plus/4 → Anderson, Better, BYTE, C64, Commodore, Creative Computing, Further, In, INFO, It, John, Minus, Multiplan, Plus, Plus/4's, ROM-resident, Since IBM, The, The Plus/4, The Transactor
related to Reception · 20
Plus/4 → Apple II, Apple IIc's, C64, Commodore's, Compute, Computer, Even, Ford Edsel, Gazette, He, INFO, Is, It's, July, Many, Steve Leininger, Sure, Tandy TRS-80 Model, The, The Emperor's New Clothes
related to Adoption · 16
Plus/4 → Approximately, C116s, C16s, C64s, Christmas, Commodore's, Denmark, Germany, In, North American, Of, Outgoing, Plus/4s, TDC A/S, The Plus/4, Vice
related to External links · 16
Plus/4 → Bo Zimmermann's CBM, C16, Canadian CBM, Commodore, Commodore Plus/4 YouTube, Commodore16, Documentation, End, Hardware, PRG, Series, TAP, TED, The Beginning, V364, World
related to Performance · 16
Plus/4 → BASIC, BASIC ROM, C64, C64's, CPU, However, MHz, NTSC, Only, PAL, Plus/4's CPU, So, The NTSC, The Plus/4's PAL, This, While
related to Peripherals · 15
Plus/4 → Additionally, Atari-style, C16, C64, Centronics, Commodore, Datasette, DIN, For, Peripheral, RF, Since, The, The Plus/4's, This
related to Input and output · 12
Plus/4 → C64, C64/1541, Commodore, MOS Technology, PET, RS-232, The, The Plus/4, The Plus/4's, This, TTL, UART
related to Reliability · 11
Plus/4 → Autofire-capable, C64, CPU, HMOS, ICs, ICs MOS, Like, MOS, TED, The C16, The Plus/4

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Important terminology

plus c64 commodore software computer basic ted rom also kb use c16 ram memory graphics used 4's would market vic-20

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Plus/4CPUMOS Technology 7501 or 8501 @ 1.76 MHz1.00infobox
Plus/4Discontinued19851.00infobox
Plus/4GraphicsTED (320 × 200, 121 colors)1.00infobox
Plus/4Introductory priceUS$299 (equivalent to $930 in 2025)1.00infobox
Plus/4ManufacturerCommodore Business Machines1.00infobox
Plus/4Memory64 KB RAM + 64 KB ROM1.00infobox
Plus/4Operating systemCommodore BASIC 3.51.00infobox
Plus/4Released1984; 42 years ago (1984)1.00infobox
Plus/4SoundTED (2-channel with 4-octave + white noise)1.00infobox
Plus/4TypeHome computer1.00infobox
Plus/4is ahome computer released by Commodore International in 19840.90text
the Leading Edge Model Dinstance oflow-cost IBM PC compatibles0.80text

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