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Commodore Plus/4, the Glossary

The Commodore Plus/4 is a home computer released by Commodore International in 1984.^[1]

118 relations: Apple II, Apple IIc, ASCII art, Atari 2600, Atari 8-bit computers, Attribute clash, Backward compatibility, Bank switching, Bil Herd, Bit rate, Bitmap, Bus (computing), Byte (magazine), Call centre, Cassette tape, Central Europe, Centronics, Clock rate, Commodore 128, Commodore 1541, Commodore 1551, Commodore 16, Commodore 64, Commodore BASIC, Commodore CBM-II, Commodore Datasette, Commodore International, Commodore PET, Composite video, Compute!'s Gazette, Computer liquidator, Computer mouse, Creative Computing (magazine), Cursor (user interface), Database, Denmark, Easter egg (media), Edsel, Enterprise (computer), Federal Communications Commission, Flag (programming), Floppy disk, Game controller, GEOS (8-bit operating system), Graphical user interface, Hardware register, Hertz, Home computer, Hungary, IBM PC–compatible, ... Expand index (68 more) »
Commodore 8-bit computers

Apple II

The Apple II series of microcomputers was initially designed by Steve Wozniak, manufactured by Apple Computer (now Apple Inc.), and launched in 1977 with the Apple II model that gave the series its name.

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Apple IIc

The Apple IIc is a personal computer introduced by Apple Inc. shortly after the launch of the original Macintosh in 1984. Commodore Plus/4 and Apple IIc are computer-related introductions in 1984.

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ASCII art

ASCII art is a graphic design technique that uses computers for presentation and consists of pictures pieced together from the 95 printable (from a total of 128) characters defined by the ASCII Standard from 1963 and ASCII compliant character sets with proprietary extended characters (beyond the 128 characters of standard 7-bit ASCII).

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Atari 2600

The Atari 2600 is a discontinued home video game console developed and produced by Atari, Inc. Released in September 1977 as the Atari Video Computer System (Atari VCS), it popularized microprocessor-based hardware and games stored on swappable ROM cartridges, a format first used with the Fairchild Channel F in 1976.

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Atari 8-bit computers

The Atari 8-bit computers, formally launched as the Atari Home Computer System, are a series of 8-bit home computers introduced by Atari, Inc., in 1979 with the Atari 400 and Atari 800.

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Attribute clash

Attribute clash (also known as colour clash or bleeding) is a display artifact caused by limits in the graphics circuitry of some colour 8-bit home computers, most notably the ZX Spectrum, where it meant that only two colours could be used in any 8×8 tile of pixels.

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Backward compatibility

In telecommunications and computing, backward compatibility (or backwards compatibility) is a property of an operating system, software, real-world product, or technology that allows for interoperability with an older legacy system, or with input designed for such a system.

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Bank switching

Bank switching is a technique used in computer design to increase the amount of usable memory beyond the amount directly addressable by the processor instructions.

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Bil Herd

Bil Herd is a computer engineer who created several designs for 8-bit home computers while working for Commodore Business Machines in the early to mid-1980s.

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Bit rate

In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.

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Bitmap

In computing, a bitmap (also called raster) graphic is an image formed from rows of different colored pixels.

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Bus (computing)

In computer architecture, a bus (historically also called data highway or databus) is a communication system that transfers data between components inside a computer, or between computers.

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Byte (magazine)

Byte (stylized as BYTE) was a microcomputer magazine, influential in the late 1970s and throughout the 1980s because of its wide-ranging editorial coverage.

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Call centre

A call centre (Commonwealth spelling) or call center (American spelling; see spelling differences) is a managed capability that can be centralised or remote that is used for receiving or transmitting a large volume of enquiries by telephone.

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Cassette tape

The Compact Cassette, also commonly called a cassette tape, audio cassette, or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback.

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Central Europe

Central Europe is a geographical region of Europe between Eastern, Southern, Western and Northern Europe.

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Centronics

Centronics Data Computer Corporation was an American manufacturer of computer printers, now remembered primarily for the parallel interface that bears its name, the Centronics connector.

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Clock rate

In computing, the clock rate or clock speed typically refers to the frequency at which the clock generator of a processor can generate pulses, which are used to synchronize the operations of its components, and is used as an indicator of the processor's speed.

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Commodore 128

The Commodore 128, also known as the C128, C-128, or C. Commodore Plus/4 and Commodore 128 are Commodore 8-bit computers.

See Commodore Plus/4 and Commodore 128

Commodore 1541

The Commodore 1541 (also known as the CBM 1541 and VIC-1541) is a floppy disk drive which was made by Commodore International for the Commodore 64 (C64), Commodore's most popular home computer.

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Commodore 1551

The Commodore 1551 (originally introduced as the SFS 481) is a floppy disk drive for the Commodore Plus/4 home computer.

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Commodore 16

The Commodore 16 is a home computer made by Commodore International with a 6502-compatible 7501 or 8501 CPU, released in 1984 and intended to be an entry-level computer to replace the VIC-20. Commodore Plus/4 and Commodore 16 are Commodore 8-bit computers and computer-related introductions in 1984.

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Commodore 64

The Commodore 64, also known as the C64, is an 8-bit home computer introduced in January 1982 by Commodore International (first shown at the Consumer Electronics Show, January 7–10, 1982, in Las Vegas). Commodore Plus/4 and Commodore 64 are Commodore 8-bit computers.

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Commodore BASIC

Commodore BASIC, also known as PET BASIC or CBM-BASIC, is the dialect of the BASIC programming language used in Commodore International's 8-bit home computer line, stretching from the PET (1977) to the Commodore 128 (1985).

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Commodore CBM-II

The Commodore CBM-II series is a short-lived range of 8-bit personal computers from Commodore Business Machines (CBM), released in 1982 and intended as a follow-on to the Commodore PET series. Commodore Plus/4 and Commodore CBM-II are Commodore 8-bit computers.

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Commodore Datasette

The third, most common version of the 1530 C2N Datassette The Commodore 1530 (C2N) Datasette, later also Datassette (a portmanteau of data and cassette), is Commodore's dedicated magnetic-tape data storage device.

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Commodore International

Commodore International Corporation (other names include Commodore International Limited) was a Bahamian home computer and electronics manufacturer with executive offices in the United States founded by Jack Tramiel and Irving Gould. Commodore International (CI), along with its subsidiary Commodore Business Machines (CBM), was a significant participant in the development of the home computer industry in the 1970s to early 1990s.

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Commodore PET

The Commodore PET is a line of personal computers produced starting in 1977 by Commodore International. Commodore Plus/4 and Commodore PET are Commodore 8-bit computers.

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Composite video

Composite video is an baseband analog video format that typically carries a 415, 525 or 625 line interlaced black and white or color signal, on a single channel, unlike the higher-quality S-Video (two channels) and the even higher-quality component video (three or more channels).

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Compute!'s Gazette

Compute!'s Gazette, stylized as COMPUTE!'s Gazette, was a computer magazine of the 1980s, directed at users of Commodore's 8-bit home computers.

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Computer liquidator

A computer liquidator buys computer technology and related equipment that is no longer required by one company, and resells ("flips") it to another company.

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Computer mouse

A computer mouse (plural mice, also mouses) is a hand-held pointing device that detects two-dimensional motion relative to a surface.

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Creative Computing (magazine)

Creative Computing was one of the earliest magazines covering the microcomputer revolution.

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Cursor (user interface)

In human–computer interaction, a cursor is an indicator used to show the current position on a computer monitor or other display device that will respond to input.

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Database

In computing, a database is an organized collection of data or a type of data store based on the use of a database management system (DBMS), the software that interacts with end users, applications, and the database itself to capture and analyze the data.

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Denmark

Denmark (Danmark) is a Nordic country in the south-central portion of Northern Europe.

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An Easter egg is a message, image, or feature hidden in software, a video game, a film, or another — usually electronic — medium.

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Edsel

Edsel is a discontinued division and brand of automobiles that was produced by the Ford Motor Company in the 1958 to 1960 model years.

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Enterprise (computer)

The Enterprise is a Zilog Z80-based home computer announced in 1983, but due to a series of delays, was not commercially available until 1985.

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Federal Communications Commission

The Federal Communications Commission (FCC) is an independent agency of the United States government that regulates communications by radio, television, wire, satellite, and cable across the United States.

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Flag (programming)

In computer programming, flag can refer to one or more bits that are used to store a binary value or a Boolean variable for signaling special code conditions, such as file empty or full queue statuses.

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Floppy disk

A floppy disk or floppy diskette (casually referred to as a floppy, a diskette, or a disk) is a type of disk storage composed of a thin and flexible disk of a magnetic storage medium in a square or nearly square plastic enclosure lined with a fabric that removes dust particles from the spinning disk.

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Game controller

A game controller, gaming controller, or simply controller, is an input device or input/output device used with video games or entertainment systems to provide input to a video game.

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GEOS (8-bit operating system)

GEOS (Graphic Environment Operating System) is a discontinued operating system from Berkeley Softworks (later GeoWorks).

See Commodore Plus/4 and GEOS (8-bit operating system)

Graphical user interface

A graphical user interface, or GUI, is a form of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation.

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Hardware register

In digital electronics, especially computing, hardware registers are circuits typically composed of flip-flops, often with many characteristics similar to memory, such as.

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Hertz

The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second.

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Home computer

Home computers were a class of microcomputers that entered the market in 1977 and became common during the 1980s.

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Hungary

Hungary is a landlocked country in Central Europe.

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IBM PC–compatible

IBM PC–compatible computers are technically similar to the original IBM PC, XT, and AT, all from computer giant IBM, that are able to use the same software and expansion cards.

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Input/output

In computing, input/output (I/O, i/o, or informally io or IO) is the communication between an information processing system, such as a computer, and the outside world, such as another computer system, peripherals, or a human operator.

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Integrated circuit

An integrated circuit (IC), also known as a microchip, computer chip, or simply chip, is a small electronic device made up of multiple interconnected electronic components such as transistors, resistors, and capacitors.

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Interlaced video

Interlaced video (also known as interlaced scan) is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth.

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Jack Tramiel

Jack Tramiel (born Idek Trzmiel; December 13, 1928 – April 8, 2012) was a Polish-American businessman and Holocaust survivor, best known for founding Commodore International.

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John J. Anderson

John J. Anderson or J.J. Anderson (November 8, 1956 – October 17, 1989) was a writer and editor covering computers and technology.

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Joystick

A joystick, sometimes called a flight stick, is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.

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Kilobyte

The kilobyte is a multiple of the unit byte for digital information.

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Leading Edge Model D

The Leading Edge Model D is an IBM clone first released by Leading Edge Hardware in July 1985.

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Luma (video)

In video, luma (Y') represents the brightness in an image (the "black-and-white" or achromatic portion of the image).

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Machine code

In computer programming, machine code is computer code consisting of machine language instructions, which are used to control a computer's central processing unit (CPU).

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Machine code monitor

A machine code monitor (machine language monitor) is software that allows a user to enter commands to view and change memory locations on a computer, with options to load and save memory contents from/to secondary storage.

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Mail order

Mail order is the buying of goods or services by mail delivery.

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Megabyte

The megabyte is a multiple of the unit byte for digital information.

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Memory map

In computer science, a memory map is a structure of data (which usually resides in memory itself) that indicates how memory is laid out.

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Memory-mapped I/O and port-mapped I/O

Memory-mapped I/O (MMIO) and port-mapped I/O (PMIO) are two complementary methods of performing input/output (I/O) between the central processing unit (CPU) and peripheral devices in a computer (often mediating access via chipset).

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Modem

A modulator-demodulator or most commonly referred to as modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio.

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MOS Technology

MOS Technology, Inc. ("MOS" being short for Metal Oxide Semiconductor), later known as CSG (Commodore Semiconductor Group) and GMT Microelectronics, was a semiconductor design and fabrication company based in Audubon, Pennsylvania.

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MOS Technology 6502

The MOS Technology 6502 (typically pronounced "sixty-five-oh-two") William Mensch and the moderator both pronounce the 6502 microprocessor as "sixty-five-oh-two".

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MOS Technology 6510

6581 SID. The production week/year (WWYY) of each chip is given below its name. The MOS Technology 6510 is an 8-bit microprocessor designed by MOS Technology.

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MOS Technology 6551

The 6551 Asynchronous Communications Interface Adapter (ACIA) is an integrated circuit made by MOS Technology.

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MOS Technology TED

The 7360/8360 TExt Display (TED) was an integrated circuit made by MOS Technology, Inc. It was a video chip that also contained sound generation hardware, DRAM refresh circuitry, interval timers, and keyboard input handling.

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MOS Technology VIC

The VIC (Video Interface Chip), specifically known as the MOS Technology 6560 (NTSC version) / 6561 (PAL version), is the integrated circuit chip responsible for generating video graphics and sound in the VIC-20 home computer from Commodore.

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MOS Technology VIC-II

The VIC-II (Video Interface Chip II), specifically known as the MOS Technology 6567/6566/8562/8564 (NTSC versions), 6569/8565/8566 (PAL), is the microchip tasked with generating Y/C video signals (combined to composite video in the RF modulator) and DRAM refresh signals in the Commodore 64 and Commodore 128 home computers.

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Multiplan

Multiplan is a spreadsheet program developed by Microsoft and introduced in 1982 as a competitor to VisiCalc.

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NTSC

NTSC (from National Television Standards Committee) is the first American standard for analog television, published in 1941.

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Numeric keypad

A numeric keypad, number pad, numpad, or ten key, is the palm-sized, usually-17-key section of a standard computer keyboard, usually on the far right.

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PAL

Phase Alternating Line (PAL) is a colour encoding system for analog television.

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Palette (computing)

In computer graphics, a palette is the set of available colors from which an image can be made.

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Parallel port

In computing, a parallel port is a type of interface found on early computers (personal and otherwise) for connecting peripherals.

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PETSCII

PETSCII (PET Standard Code of Information Interchange), also known as CBM ASCII, is the character set used in Commodore Business Machines' 8-bit home computers.

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Power supply unit (computer)

A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a desktop computer.

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Price war

A price war is a form of market competition in which companies within an industry engage in aggressive pricing strategies, “characterized by the repeated cutting of prices below those of competitors”.

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Productivity software

Productivity software (also called personal productivity software or office productivity software) is application software used for producing information (such as documents, presentations, worksheets, databases, charts, graphs, digital paintings, electronic music and digital video).

See Commodore Plus/4 and Productivity software

Proprietary hardware

Proprietary hardware is computer hardware whose interface is controlled by the proprietor, often under patent or trade-secret protection.

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Radio frequency

Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around to around.

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Random-access memory

Random-access memory (RAM) is a form of electronic computer memory that can be read and changed in any order, typically used to store working data and machine code.

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Raster interrupt

A raster interrupt (also called a horizontal blank interrupt) is an interrupt signal in a legacy computer system which is used for display timing.

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Read-only memory

Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices.

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RF modulator

An RF modulator (radio frequency modulator) is an electronic device used to convert signals from devices such as media players, VCRs and game consoles to a format that can be handled by a device designed to receive a modulated RF input, such as a radio or television receiver.

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ROM cartridge

A ROM cartridge, usually referred to in context simply as a cartridge, cart, or card, is a replaceable part designed to be connected to a consumer electronics device such as a home computer, video game console or, to a lesser extent, electronic musical instruments.

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RS-232

In telecommunications, RS-232 or Recommended Standard 232 is a standard originally introduced in 1960 for serial communication transmission of data.

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S-Video

S-Video (also known as separate video, Y/C, and erroneously Super-Video) is an analog video signal format that carries standard-definition video, typically at 525 lines or 625 lines.

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In computer architecture, shared graphics memory refers to a design where the graphics chip does not have its own dedicated memory, and instead shares the main system RAM with the CPU and other components.

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Small business

Small businesses are types of corporations, partnerships, or sole proprietorships which have a small number of employees and/or less annual revenue than a regular-sized business or corporation.

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Speech synthesis

Speech synthesis is the artificial production of human speech.

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Spreadsheet

A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form.

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Sprite (computer graphics)

In computer graphics, a sprite is a two-dimensional bitmap that is integrated into a larger scene, most often in a 2D video game.

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Square wave

A square wave is a non-sinusoidal periodic waveform in which the amplitude alternates at a steady frequency between fixed minimum and maximum values, with the same duration at minimum and maximum.

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Statistical graphics

Statistical graphics, also known as statistical graphical techniques, are graphics used in the field of statistics for data visualization.

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Strobe light

A strobe light or stroboscopic lamp, commonly called a strobe, is a device used to produce regular flashes of light.

See Commodore Plus/4 and Strobe light

Structured programming

Structured programming is a programming paradigm aimed at improving the clarity, quality, and development time of a computer program by making extensive use of the structured control flow constructs of selection (if/then/else) and repetition (while and for), block structures, and subroutines.

See Commodore Plus/4 and Structured programming

Sweepstake

In the United States, a sweepstake is a type of contest where a prize or prizes may be awarded to a winner or winners.

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Tandy 1000

The Tandy 1000 is the first in a line of IBM PC compatible home computer systems produced by the Tandy Corporation for sale in its Radio Shack and Radio Shack Computer Center chains of stores. Commodore Plus/4 and Tandy 1000 are computer-related introductions in 1984.

See Commodore Plus/4 and Tandy 1000

References

[1] https://en.wikipedia.org/wiki/Commodore_Plus/4

Also known as Commodore +4, Commodore 264, Commodore 364, Commodore Plus 4, Commodore Plus4, Plus/4.

, Input/output, Integrated circuit, Interlaced video, Jack Tramiel, John J. Anderson, Joystick, Kilobyte, Leading Edge Model D, Luma (video), Machine code, Machine code monitor, Mail order, Megabyte, Memory map, Memory-mapped I/O and port-mapped I/O, Modem, MOS Technology, MOS Technology 6502, MOS Technology 6510, MOS Technology 6551, MOS Technology TED, MOS Technology VIC, MOS Technology VIC-II, Multiplan, NTSC, Numeric keypad, PAL, Palette (computing), Parallel port, PETSCII, Power supply unit (computer), Price war, Productivity software, Proprietary hardware, Radio frequency, Random-access memory, Raster interrupt, Read-only memory, RF modulator, ROM cartridge, RS-232, S-Video, Shared graphics memory, Small business, Speech synthesis, Spreadsheet, Sprite (computer graphics), Square wave, Statistical graphics, Strobe light, Structured programming, Sweepstake, Tandy 1000, Tandy Corporation, TDC Holding A/S, Telecommunications, Texas Instruments, The Emperor's New Clothes, The Transactor, Timex Group USA, Transistor–transistor logic, TRS-80, TRS-80 Color Computer, Universal asynchronous receiver-transmitter, VIC-20, Voltage converter, Word processor, YouTube.

Commodore Plus/4, the Glossary

Table of Contents

See also

Commodore 8-bit computers

References