135 relations: ADM-3A, Alt key, Amiga, Amiga 1000, Amiga 500, Assembly language, Atari ST, Audio filter, BASIC 8, Bil Herd, BIOS, Blitter, Caps lock, Color Graphics Adapter, Commodore 1541, Commodore 1570, Commodore 1571, Commodore 1581, Commodore 64, Commodore 64 peripherals, Commodore BASIC, Commodore DOS, Commodore International, Commodore LCD, Commodore Plus/4, Commodore REU, Composite video, Compute!'s Gazette, Computer cooling, Computer keyboard, Computer terminal, Computer-aided design, Consumer Electronics Show, CP/M, D-subminiature, Data Becker, Dave Haynie, Diaeresis (diacritic), Digital Research, Direct memory access, Direct mode, Electronic filter, Electronic oscillator, Emacs, Esc key, Escape sequence, Garbage collection (computer science), GEOS (8-bit operating system), Group coded recording, Heat sink, ..., Help key, Hertz, Hexadecimal, Home computer, IBM PC compatible, IBM Personal Computer, IBM Selectric typewriter, Infocom, Insert key, Jane (software), KERNAL, Kid Niki: Radical Ninja, Kikstart 2, Kilobyte, Las Vegas Valley, Leading Edge Model D, List of Easter eggs in Microsoft products, Machine code, Machine code monitor, Mastertronic, McGraw-Hill Education, Memory address, Memory management unit, Microprocessor, Microsoft BASIC, Minicomputer, Mode (computer interface), Monochrome, MOS Technology 6502, MOS Technology 6510, MOS Technology 8502, MOS Technology 8563, MOS Technology 8568, MOS Technology SID, MOS Technology VIC-II, Motherboard, Multiprocessing, Native (computing), Numeric keypad, Off-by-one error, Origin Systems, PaperClip, PEEK and POKE, Personal computer, PETSCII, Printed circuit board, Productivity software, Random-access memory, Raster interrupt, Read-only memory, RGB color model, Ring modulation, Sawtooth wave, Simons' BASIC, Small business, Software bug, Sprite (computer graphics), Square wave, Stack (abstract data type), Star Fleet I: The War Begins, Structured programming, Switched-mode power supply, Synthesizer, Tab key, Tandy 1000, Television set, Text mode, The Bard's Tale III: Thief of Fate, The Last V8, Triangle wave, Type-in program, Ultima V: Warriors of Destiny, Usability, Users' group, Vertical blanking interval, Video game, Wait state, Waveform, White noise, Zero page, Zilog Z80, .info (magazine), 16-bit, 32-bit, 8-bit. Expand index (85 more) » « Shrink index
The ADM-3A was one of the first video display terminals.
The Alt key (pronounced or) on a computer keyboard is used to change (alternate) the function of other pressed keys.
The Amiga is a family of personal computers introduced by Commodore in 1985.
The Commodore Amiga 1000, also known as the A1000 and originally simply as the Amiga, is the first personal computer released by Commodore International in the Amiga line.
The Amiga 500, also known as the A500, is the first low-end Commodore Amiga 16/32-bit multimedia home/personal computer.
An assembly (or assembler) language, often abbreviated asm, is a low-level programming language, in which there is a very strong (but often not one-to-one) correspondence between the assembly program statements and the architecture's machine code instructions.
The Atari ST is a line of home computers from Atari Corporation and the successor to the Atari 8-bit family.
An audio filter is a frequency dependent amplifier circuit, working in the audio frequency range, 0 Hz to beyond 20 kHz.
BASIC 8 (or BASIC 8.0) — "The Enhanced Graphics System For The C128" — developed by Walrusoft of Gainesville, Florida and published in 1986 by Patech Software of Somerset, New Jersey, USA, was an extension of Commodore's BASIC 7.0 for the C128 home/personal computer.
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.
BIOS (an acronym for Basic Input/Output System and also known as the System BIOS, ROM BIOS or PC BIOS) is non-volatile firmware used to perform hardware initialization during the booting process (power-on startup), and to provide runtime services for operating systems and programs.
A blitter is a circuit, sometimes as a coprocessor or a logic block on a microprocessor, dedicated to the rapid movement and modification of data within a computer's memory.
Caps Lock is a button on a computer keyboard that, when pressed, causes all letters to be generated in capitals until deactivated.
The Color Graphics Adapter (CGA), originally also called the Color/Graphics Adapter or IBM Color/Graphics Monitor Adapter, introduced in 1981, was IBM's first graphics card and first color display card for the IBM PC.
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.
The Commodore 1570 is a 5¼" floppy disk drive for the Commodore 128 home/personal computer.
The Commodore 1571 is Commodore's high-end 5¼" floppy disk drive.
The Commodore 1581 is a 3½-inch double-sided double-density floppy disk drive that was released by Commodore Business Machines (CBM) in 1987, primarily for its C64 and C128 home/personal computers.
The Commodore 64, also known as the C64 or the CBM 64, is an 8-bit home computer introduced in January 1982 by Commodore International (first shown at the Consumer Electronics Show, in Las Vegas, January 7–10, 1982).
This article is about the various external peripherals of the Commodore 64 home computer.
Commodore BASIC, also known as PET BASIC, is the dialect of the BASIC programming language used in Commodore International's 8-bit home computer line, stretching from the PET of 1977 to the C128 of 1985.
Commodore DOS, aka CBM DOS, is the disk operating system used with Commodore's 8-bit computers.
Commodore International (or Commodore International Limited) was an American home computer and electronics manufacturer founded by Jack Tramiel.
The Commodore LCD (sometimes known in short as the CLCD) was a LCD-equipped laptop made by Commodore International.
The Commodore Plus/4 is a home computer released by Commodore International in 1984.
Commodore's RAM Expansion Unit (REU) range of external RAM add-ons for their Commodore 64/128 home computers was announced at the same time as the C128.
Composite video (one channel) is an analog video transmission (without audio) that carries standard definition video typically at 480i or 576i resolution.
Compute!'s Gazette, styled as COMPUTE!'s Gazette, was a computer magazine of the 1980s, directed at users of Commodore's 8-bit home computers.
Computer cooling is required to remove the waste heat produced by computer components, to keep components within permissible operating temperature limits.
In computing, a computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
A computer terminal is an electronic or electromechanical hardware device that is used for entering data into, and displaying or printing data from, a computer or a computing system.
Computer-aided design (CAD) is the use of computer systems to aid in the creation, modification, analysis, or optimization of a design.
CES (formerly an acronym for Consumer Electronics Show but now the official name) is an annual trade show organized by the Consumer Technology Association.
CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc.
The D-subminiature or D-sub is a common type of electrical connector.
Data Becker GmbH & Co.
Dave Haynie is an American electrical engineer.
The diaeresis (plural: diaereses), also spelled diæresis or dieresis and also known as the tréma (also: trema) or the umlaut, is a diacritical mark that consists of two dots placed over a letter, usually a vowel.
Digital Research, Inc. (also known as DR or DRI) was a company created by Gary Kildall to market and develop his CP/M operating system and related 8-bit, 16-bit and 32-bit systems like MP/M, Concurrent DOS, Multiuser DOS, DOS Plus, DR DOS and GEM.
Direct memory access (DMA) is a feature of computer systems that allows certain hardware subsystems to access main system memory (Random-access memory), independent of the central processing unit (CPU).
Direct mode, also known as immediate mode is a computing term referring to the input of textual commands outside the context of a program.
Electronic filters are circuits which perform signal processing functions, specifically to remove unwanted frequency components from the signal, to enhance wanted ones, or both.
An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave.
Emacs is a family of text editors that are characterized by their extensibility.
On computer keyboards, the Esc key (named Escape key in the international standard series ISO/IEC 9995) is a key used to generate the escape character (which can be represented as ASCII code 27 in decimal, Unicode U+001B, or.
An escape sequence is a series of characters used to change the state of computers and their attached peripheral devices, rather than to be displayed or printed as regular data bytes would be.
In computer science, garbage collection (GC) is a form of automatic memory management.
GEOS (Graphic Environment Operating System) is a discontinued operating system from Berkeley Softworks (later GeoWorks).
In computer science, group coded recording or group code recording (GCR) refers to several distinct but related encoding methods for magnetic media.
A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature at optimal levels.
A Help key, found in the shape of a dedicated key explicitly labeled, or as another key, typically one of the function keys, on a computer keyboard, is a key which, when pressed, produces information on the screen/display to aid the user in his/her current task, such as using a specific function in an application program.
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
In mathematics and computing, hexadecimal (also base, or hex) is a positional numeral system with a radix, or base, of 16.
Home computers were a class of microcomputers entering the market in 1977, and becoming common during the 1980s.
IBM PC compatible computers are computers similar to the original IBM PC, XT, and AT, able to use the same software and expansion cards.
The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform.
The IBM Selectric typewriter was a highly successful model line of electric typewriters introduced by IBM on 31 July 1961.
Infocom was a software company based in Cambridge, Massachusetts that produced numerous works of interactive fiction.
The Insert key (often abbreviated Ins) is a key commonly found on computer keyboards.
Jane 128 was a GUI-based integrated software package for the Commodore 64 and Commodore 128 personal computers.
KERNAL is Commodore's name for the ROM-resident operating system core in its 8-bit home computers; from the original PET of 1977, followed by the extended but strongly related versions used in its successors: the VIC-20, Commodore 64, Plus/4, C16, and C128.
Kid Niki: Radical Ninja, known in Japan as, is an arcade game developed and published by Irem in 1986, and was later published outside Japan by Data East in 1987.
Kikstart 2 is a motorcycle trials racing videogame released for the Amiga, Amstrad CPC, Commodore 64 and ZX Spectrum.
The kilobyte is a multiple of the unit byte for digital information.
The Las Vegas Valley is a major metropolitan area in the southern part of the U.S. state of Nevada.
The Leading Edge Model D was an IBM clone computer first released by Leading Edge Hardware in July 1985.
Some of Microsoft's early products included hidden Easter eggs.
Machine code is a computer program written in machine language instructions that can be executed directly by a computer's central processing unit (CPU).
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.
Mastertronic was originally a publisher and distributor of low-cost computer game software founded in 1983.
McGraw-Hill Education (MHE) is a learning science company and one of the "big three" educational publishers that provides customized educational content, software, and services for pre-K through postgraduate education.
In computing, a memory address is a reference to a specific memory location used at various levels by software and hardware.
A memory management unit (MMU), sometimes called paged memory management unit (PMMU), is a computer hardware unit having all memory references passed through itself, primarily performing the translation of virtual memory addresses to physical addresses.
A microprocessor is a computer processor that incorporates the functions of a central processing unit on a single integrated circuit (IC), or at most a few integrated circuits.
Microsoft BASIC is the foundation product of the Microsoft company.
A minicomputer, or colloquially mini, is a class of smaller computers that was developed in the mid-1960s and sold for much less than mainframe and mid-size computers from IBM and its direct competitors.
In user interface design, a mode is a distinct setting within a computer program or any physical machine interface, in which the same user input will produce perceived results different to those that it would in other settings.
Monochrome describes paintings, drawings, design, or photographs in one color or values of one color.
The MOS Technology 6502 (typically "sixty-five-oh-two" or "six-five-oh-two") William Mensch and the moderator both pronounce the 6502 microprocessor as "sixty-five-oh-two".
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.
The MOS Technology 8502 was an 8-bit microprocessor designed by MOS Technology and used in the Commodore 128.
The 8563 Video Display Controller (VDC) was an integrated circuit produced by MOS Technology.
The MOS Technology 8568 Video Display Controller (VDC) was the graphics processor responsible for the 80 column or RGBI display on DCR models of the Commodore 128 personal computer.
The MOS Technology 6581/8580 SID (Sound Interface Device) is the built-in Programmable Sound Generator chip of Commodore's CBM-II, Commodore 64, Commodore 128 and Commodore MAX Machine home computers.
The VIC-II (Video Interface Chip II), specifically known as the MOS Technology 6567/8562/8564 (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 C128 home computers.
A motherboard (sometimes alternatively known as the mainboard, system board, baseboard, planar board or logic board, or colloquially, a mobo) is the main printed circuit board (PCB) found in general purpose microcomputers and other expandable systems.
Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system.
In computing, software or data formats that are native to a system are those that the system supports with minimal computational overhead and additional components.
A numeric keypad, number pad, numpad, or ten key, is the palm-sized, 17-key section of a standard computer keyboard, usually on the far right.
An off-by-one error (OBOE), also commonly known as an OBOB (off-by-one bug), or OB1 error is a logic error involving the discrete equivalent of a boundary condition.
Origin Systems, Inc. (sometimes abbreviated as OSI) was an American video game developer based in Austin, Texas, which was active from 1983 to 2004.
PaperClip is a word processor for the Commodore 64, 128 (native mode), and Atari 8-bit family published by Batteries Included in 1985.
In computing, PEEK and POKE are commands used in some high-level programming languages for accessing the contents of a specific memory cell referenced by its memory address.
A personal computer (PC) is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use.
PETSCII (PET Standard Code of Information Interchange), also known as CBM ASCII, is the character set used in Commodore Business Machines (CBM)'s 8-bit home computers, starting with the PET from 1977 and including the C16, C64, C116, C128, CBM-II, Plus/4, and VIC-20.
A printed circuit board (PCB) mechanically supports and electrically connects electronic components or electrical components using conductive tracks, pads and other features etched from one or more sheet layers of copper laminated onto and/or between sheet layers of a non-conductive substrate.
Productivity software (sometimes called personal productivity software or office productivity software) is application software dedicated to producing information, such as documents, presentations, worksheets, databases, charts, graphs, digital paintings, electronic music and digital video.
Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.
A raster interrupt (also called a horizontal blank interrupt) is a computer interrupt signal that is used for display timing purposes.
Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices.
The RGB color model is an additive color model in which red, green and blue light are added together in various ways to reproduce a broad array of colors.
In electronics, ring modulation is a signal-processing function, an implementation of frequency mixing, performed by multiplying two signals, where one is typically a sine wave or another simple waveform and the other is the signal to be modulated.
The sawtooth wave (or saw wave) is a kind of non-sinusoidal waveform.
Simons' BASIC was an extension to BASIC 2.0 for the Commodore 64 home computer.
Small businesses are privately owned corporations, partnerships, or sole proprietorships that have fewer employees and/or less annual revenue than a regular-sized business or corporation.
A software bug is an error, flaw, failure or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways.
In computer graphics, a sprite is a two-dimensional bitmap that is integrated into a larger scene.
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.
In computer science, a stack is an abstract data type that serves as a collection of elements, with two principal operations.
Starfleet I: The War Begins is a 1984 strategy computer game designed by Trevor Sorensen and developed by Interstel (some versions by Cygnus Multimedia).
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 in contrast to using simple tests and jumps such as the go to statement, which can lead to "spaghetti code" that is potentially difficult to follow and maintain.
A switched-mode power supply (switching-mode power supply, switch-mode power supply, switched power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.
A synthesizer (often abbreviated as synth, also spelled synthesiser) is an electronic musical instrument that generates electric signals that are converted to sound through instrument amplifiers and loudspeakers or headphones.
The tab key (abbreviation of tabulator key or tabular key) on a keyboard is used to advance the cursor to the next tab stop.
The Tandy 1000 was the first in a line of more-or-less IBM PC compatible home computer systems produced by the Tandy Corporation for sale in its RadioShack chain of stores.
A television set or television receiver, more commonly called a television, TV, TV set, or telly, is a device that combines a tuner, display, and loudspeakers for the purpose of viewing television.
Text mode is a computer display mode in which content is internally represented on a computer screen in terms of characters rather than individual pixels.
The Bard's Tale III: Thief of Fate is a computer fantasy role-playing video game created by Interplay Productions in 1988.
The Last V8 is a video game published by Mastertronic on their M.A.D. label.
A triangle wave is a non-sinusoidal waveform named for its triangular shape.
A type-in program, type-in listing, or sometimes just type-in, is a listing of source code printed in a computer magazine or book, meant to be entered on the computer's keyboard by the reader and then saved to cassette or disk.
Ultima V: Warriors of Destiny (1988) is the fifth entry in the role-playing video game series Ultima.
Usability is the ease of use and learnability of a human-made object such as a tool or device.
A users' group (also user's group or user group) is a type of club focused on the use of a particular technology, usually (but not always) computer-related.
In a raster graphics display, the vertical blanking interval (VBI), also known as the vertical interval or VBLANK, is the time between the end of the final line of a frame or field and the beginning of the first line of the next frame.
A video game is an electronic game that involves interaction with a user interface to generate visual feedback on a video device such as a TV screen or computer monitor.
A wait state is a delay experienced by a computer processor when accessing external memory or another device that is slow to respond.
A waveform is the shape and form of a signal such as a wave moving in a physical medium or an abstract representation.
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density.
The zero page is the series of memory addresses at the absolute beginning of a computer's address space; that is, the page whose starting address is zero.
The Z80 CPU is an 8-bit based microprocessor.
16-bit microcomputers are computers in which 16-bit microprocessors were the norm.
32-bit microcomputers are computers in which 32-bit microprocessors are the norm.
8-bit is also a generation of microcomputers in which 8-bit microprocessors were the norm.