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154 relations: Adam Osborne, Altair 8800, Amplitude modulation, Annual report, Apple II series, Apple Inc., Arabic numerals, Assembly language, Associated Press, Aster CT-80, Asteroids (video game), Atari joystick port, Backgammon, Base metal, BASIC, Baud, BBC, Big Five Software, Bill Stewart (programmer), Blackjack, Byte (magazine), Cable management, Cartrivision, Cathode ray tube, Central processing unit, Centronics, Charles D. Tandy, Citizens band radio, Colour Genie, Commodore International, Commodore PET, Compact Cassette, CompuServe, Computer keyboard, CP/M, Creative Computing (magazine), Dan Fylstra, Descender, DeskMate, DESQview, Digital Research, Direct memory access, Disk density, Disk operating system, Division by zero, Dot matrix printing, DoubleDOS, Dynamic random-access memory, EACA, Electric Pencil, ..., Electromagnetic interference, Electronic kit, Exatron, Exatron Stringy Floppy, Eye strain, Federal Communications Commission, Firmware, Floating-point arithmetic, Floppy disk, Floppy disk variants, Galaxian, Hard disk drive, Hertz, Hexadecimal, Home computer, IBM TopView, InfoWorld, Input/output, Intel 8080, Interactive fiction, Jerry Pournelle, Kaypro, Killer application, Kilobaud Microcomputing, Kilobyte, Level I BASIC, Lexical analysis, Li-Chen Wang, List of software for the TRS-80, List of TRS-80 clones, List of TRS-80 games, LNW-80, Magnetic tape data storage, Mörfelden-Walldorf, Megabyte, Memory map, Memory-mapped I/O, Microchess, Microcomputer, Microsoft, Microsoft BASIC, Motherboard, MS-DOS, Multiplan, National Museum of American History, National Semiconductor, National Semiconductor SC/MP, NewDos/80, Non-Linear Systems, Operating system, Out of memory, Parallel port, Paul Terrell, Percom, Personal computer, Phosphor, Plotter, Poland, Programming language, Purchasing manager, QWERTY, RadioShack, Raiders of the Lost Ark, RCA, Read-only memory, RS-232, S-100 bus, Sage 50 Accounting, Scripsit, Sears, Semigraphics, Smithsonian Institution, SoftSide, Static random-access memory, Steve Ciarcia, String (computer science), Switch, Tandy 1000, Tandy 2000, Tandy Corporation, Tandy Pocket Computer, Targ (video game), Teletext, The Alternate Source Programmer's Journal, Timex Sinclair 2068, Tiny BASIC, TRS-80 character set, TRS-80 Color Computer, TRS-80 Model 100, TRS-80 Model II, TRSDOS, Typeahead, U880, Video Genie, VisiCalc, Wayne Green, Western Digital FD1771, Wired (magazine), WordStar, Zilog Z80, Zilog Z800, Zork, 8-bit, 80 Micro. Expand index (104 more) »
Adam Osborne
Adam Osborne (March 6, 1939 – March 18, 2003) was a Thailand-born British-American author, book and software publisher, and computer designer who founded several companies in the United States and elsewhere.
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Altair 8800
The Altair 8800 is a microcomputer designed in 1974 by MITS and based on the Intel 8080 CPU.
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Amplitude modulation
Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.
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Annual report
An annual report is a comprehensive report on a company's activities throughout the preceding year.
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Apple II series
The Apple II series (trademarked with square brackets as "Apple.
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Apple Inc.
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.
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Arabic numerals
Arabic numerals, also called Hindu–Arabic numerals, are the ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, based on the Hindu–Arabic numeral system, the most common system for the symbolic representation of numbers in the world today.
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Assembly language
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.
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Associated Press
The Associated Press (AP) is a U.S.-based not-for-profit news agency headquartered in New York City.
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Aster CT-80
The Aster CT-80, an early (1982) home/personal computer developed by the small Dutch company MCP (later renamed to Aster Computers), was sold in its first incarnation as a kit for hobbyists.
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Asteroids (video game)
Asteroids is an arcade space shooter released in November 1979 by Atari, Inc. and designed by Lyle Rains, Ed Logg, and Dominic Walsh.
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Atari joystick port
The Atari joystick port is a widely used computer port used to connect various gaming controllers to game console and home computer systems.
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Backgammon
Backgammon is one of the oldest known board games.
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Base metal
A base metal is a common and inexpensive metal, as opposed to a precious metal such as gold or silver.
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BASIC
BASIC (an acronym for Beginner's All-purpose Symbolic Instruction Code) is a family of general-purpose, high-level programming languages whose design philosophy emphasizes ease of use.
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Baud
In telecommunication and electronics, baud (symbol: Bd) is a common measure of the speed of communication over a data channel.
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BBC
The British Broadcasting Corporation (BBC) is a British public service broadcaster.
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Big Five Software
Big Five Software (Big 5 Software) was an American video game developer of the 1980s founded by Bill Hogue and Jeff Konyu.
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Bill Stewart (programmer)
Bill Stewart, (né William C. Stewart) (1950 in Memphis, TN – August 2009), founded Stewart Software Company, Memphis, TN in 1984 and marketed Z80 Assembly Language programs, notably TOOLKIT and the ONLINE 80 Bulletin Board System, for Radio Shack TRS-80 Computers running TRSDOS.
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Blackjack
Blackjack, also known as twenty-one, is a comparing card game between usually several players and a dealer, where each player in turn competes against the dealer, but players do not play against each other.
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Byte (magazine)
Byte was an American microcomputer magazine, influential in the late 1970s and throughout the 1980s because of its wide-ranging editorial coverage.
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Cable management
Cable management refers to management of electrical or optical cable in a cabinet or an installation.
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Cartrivision
Cartrivision is an analog videocassette format introduced in 1972, and the first format to offer feature films for consumer rental.
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Cathode ray tube
The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images.
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Central processing unit
A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
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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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Charles D. Tandy
Charles David Tandy (15 May 1918 – 4 November 1978) was the Chairman of the Board, President, and Chief Executive Officer of the Tandy Corporation.
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Citizens band radio
Citizens band radio (also known as CB radio) is, in many countries, a system of short-distance radio communications between individuals typically on a selection of 40 channels within the 27 MHz (11 m) band.
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Colour Genie
The EACA EG2000 Colour Genie was a computer produced by Hong Kong-based manufacturer EACA and introduced in Germany in August 1982.
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Commodore International
Commodore International (or Commodore International Limited) was an American home computer and electronics manufacturer founded by Jack Tramiel.
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Commodore PET
The Commodore PET (Personal Electronic Transactor) is a line of home/personal computers produced starting in 1977 by Commodore International.
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Compact Cassette
The Compact Audio Cassette (CAC) or Musicassette (MC), also commonly called the cassette tape or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback.
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CompuServe
CompuServe (CompuServe Information Service, also known by its initialism CIS) was the first major commercial online service provider in the United States.
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Computer keyboard
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.
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CP/M
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.
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Creative Computing (magazine)
Creative Computing was one of the earliest magazines covering the microcomputer revolution.
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Dan Fylstra
Dan Fylstra is a pioneer of the software products industry.
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Descender
In typography, a descender is the portion of a letter that extends below the baseline of a font.
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DeskMate
DeskMate was a software application that provided an operating environment that competed with early versions of Microsoft Windows.
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DESQview
DESQview (DV) was a text mode multitasking operating environment developed by Quarterdeck Office Systems which enjoyed modest popularity in the late 1980s and early 1990s.
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Digital Research
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.
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Direct memory access
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).
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Disk density
Disk density is a capacity designation on magnetic storage, usually floppy disks.
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Disk operating system
A disk operating system (abbreviated DOS) is a computer operating system that can use a disk storage device, such as a floppy disk, hard disk drive, or optical disc.
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Division by zero
In mathematics, division by zero is division where the divisor (denominator) is zero.
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Dot matrix printing
Dot matrix printing is the process of computer printing from a collection of dot matrix data to a device, which can be one of.
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DoubleDOS
DoubleDOS was a computer program that extended the IBM PC DOS operating system with limited multitasking capabilities.
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Dynamic random-access memory
Dynamic random-access memory (DRAM) is a type of random access semiconductor memory that stores each bit of data in a separate tiny capacitor within an integrated circuit.
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EACA
EACA International Ltd was a Hong Kong manufacturer active from 1975 to 1983, producing Pong-style television video games, and later producing thousands of personal computers.
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Electric Pencil
Electric Pencil, released in December 1976 by Michael Shrayer, was the first word processor for home computers.
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Electromagnetic interference
Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.
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Electronic kit
An electronic kit is a package of electrical components used to build an electronic device.
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Exatron
Exatron manufactures a complete line of automated handling, testing, programming, and marking equipment for the packaged integrated circuit industry.
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Exatron Stringy Floppy
The Exatron Stringy Floppy (or ESF) is a continuous loop tape drive developed by Exatron.
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Eye strain
Eye strain, also known as asthenopia (from Greek asthen-opia, ἀσθεν-ωπία, "weak-eye-condition"), is an eye condition that manifests through nonspecific symptoms such as fatigue, pain in or around the eyes, blurred vision, headache, and occasional double vision.
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Federal Communications Commission
The Federal Communications Commission (FCC) is an independent agency of the United States government created by statute (and) to regulate interstate communications by radio, television, wire, satellite, and cable.
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Firmware
In electronic systems and computing, firmware is a specific class of computer software that provides the low-level control for the device's specific hardware.
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Floating-point arithmetic
In computing, floating-point arithmetic is arithmetic using formulaic representation of real numbers as an approximation so as to support a trade-off between range and precision.
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Floppy disk
A floppy disk, also called a floppy, diskette, or just disk, is a type of disk storage composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic enclosure lined with fabric that removes dust particles.
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Floppy disk variants
The floppy disk is a ubiquitous data storage and transfer device from the mid-1970s well into the 2000s.
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Galaxian
is an arcade game that was developed by Namco and released in October 1979.
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Hard disk drive
A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.
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Hertz
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.
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Hexadecimal
In mathematics and computing, hexadecimal (also base, or hex) is a positional numeral system with a radix, or base, of 16.
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Home computer
Home computers were a class of microcomputers entering the market in 1977, and becoming common during the 1980s.
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IBM TopView
TopView is a text-mode PC DOS multitasking, object-oriented windowing environment written by IBM, announced in August 1984 and shipped in March 1985.
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InfoWorld
InfoWorld (formerly The Intelligent Machines Journal) is an information technology media business.
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Input/output
In computing, input/output or I/O (or, informally, io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system.
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Intel 8080
The Intel 8080 ("eighty-eighty") was the second 8-bit microprocessor designed and manufactured by Intel and was released in April 1974.
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Interactive fiction
Interactive fiction, often abbreviated IF, is software simulating environments in which players use text commands to control characters and influence the environment.
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Jerry Pournelle
Jerry Eugene Pournelle (August 7, 1933 – September 8, 2017) was an American science fiction writer, essayist, and journalist who contributed for many years to the computer magazine Byte in the 1970s, 1980s, and early 1990s.
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Kaypro
Kaypro Corporation was an American home/personal computer manufacturer of the 1980s.
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Killer application
In marketing terminology, a killer application (commonly shortened to killer app) is any computer program that is so necessary or desirable that it proves the core value of some larger technology, such as computer hardware, a gaming console, software, a programming language, a software platform, or an operating system.
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Kilobaud Microcomputing
Kilobaud Microcomputing was a magazine dedicated to the computer homebrew hobbyists from 1977 to 1983.
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Kilobyte
The kilobyte is a multiple of the unit byte for digital information.
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Level I BASIC
Level I BASIC is a dialect of the BASIC programming language that shipped with the very first TRS-80, the TRS-80 Model I.
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Lexical analysis
In computer science, lexical analysis, lexing or tokenization is the process of converting a sequence of characters (such as in a computer program or web page) into a sequence of tokens (strings with an assigned and thus identified meaning).
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Li-Chen Wang
Dr.
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List of software for the TRS-80
The TRS-80 series of computers were sold via Radio Shack & Tandy dealers in North America and Europe in the early 1980s.
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List of TRS-80 clones
The following is a list of clones of Tandy's TRS-80 model I and III home computers.
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List of TRS-80 games
There were a number of games available for the monochrome TRS-80 computers.
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LNW-80
The LNW-80, released in 1982, is the first computer built by LNW Research.
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Magnetic tape data storage
Magnetic tape data storage is a system for storing digital information on magnetic tape using digital recording.
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Mörfelden-Walldorf
Mörfelden-Walldorf is a town in the Groß-Gerau district, situated in the Frankfurt Rhein-Main Region in the federal state (Bundesland) Hesse, Germany.
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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
Memory-mapped I/O (MMIO) and port-mapped I/O (PMIO) (which is also called isolated I/O) are two complementary methods of performing input/output (I/O) between the central processing unit (CPU) and peripheral devices in a computer.
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Microchess
Microchess, by Peter R. Jennings, was originally a microcomputer chess program for the MOS Technology KIM-1 microcomputer, first released on December 18, 1976.
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Microcomputer
A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU).
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Microsoft
Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.
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Microsoft BASIC
Microsoft BASIC is the foundation product of the Microsoft company.
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Motherboard
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.
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MS-DOS
MS-DOS (acronym for Microsoft Disk Operating System) is an operating system for x86-based personal computers mostly developed by Microsoft.
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Multiplan
Multiplan was an early spreadsheet program developed by Microsoft.
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National Museum of American History
The National Museum of American History: Kenneth E. Behring Center collects, preserves, and displays the heritage of the United States in the areas of social, political, cultural, scientific, and military history.
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National Semiconductor
National Semiconductor was an American semiconductor manufacturer which specialized in analog devices and subsystems, formerly with headquarters in Santa Clara, California, United States.
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National Semiconductor SC/MP
The SC/MP from National Semiconductor is an early microprocessor, which became available in early 1974.
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NewDos/80
NewDos/80 is a third-party operating system for the Radio Shack TRS-80 line of microcomputers released in 1980.
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Non-Linear Systems
Non-Linear Systems is an electronics manufacturing company based in San Diego, California.
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Operating system
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
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Out of memory
Out of memory (OOM) is an often undesired state of computer operation where no additional memory can be allocated for use by programs or the operating system.
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Parallel port
A parallel port is a type of interface found on computers (personal and otherwise) for connecting peripherals.
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Paul Terrell
Paul Terrell is an American businessman.
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Percom
Percom Data was an early microcomputer company formed in 1976 to sell peripherals into the emerging microcomputer market.
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Personal computer
A personal computer (PC) is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use.
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Phosphor
A phosphor, most generally, is a substance that exhibits the phenomenon of luminescence.
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Plotter
The plotter is a computer printer for printing vector graphics.
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Poland
Poland (Polska), officially the Republic of Poland (Rzeczpospolita Polska), is a country located in Central Europe.
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Programming language
A programming language is a formal language that specifies a set of instructions that can be used to produce various kinds of output.
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Purchasing manager
A Purchasing Manager is an employee within a company, business or other organization who is responsible at some level for buying or approving the acquisition of goods and services needed by the company.
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QWERTY
QWERTY is a keyboard design for Latin-script alphabets.
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RadioShack
RadioShack, formally RadioShack Corporation, is the trade name of an American retailer founded in 1921, which operates a chain of electronics stores.
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Raiders of the Lost Ark
Raiders of the Lost Ark (also known as Indiana Jones and the Raiders of the Lost Ark) is a 1981 American action adventure film directed by Steven Spielberg, written by Lawrence Kasdan from a story by George Lucas and Philip Kaufman.
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RCA
The RCA Corporation was a major American electronics company, which was founded as the Radio Corporation of America in 1919.
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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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RS-232
In telecommunications, RS-232, Recommended Standard 232 is a standard introduced in 1960 for serial communication transmission of data.
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S-100 bus
The S-100 bus or Altair bus, IEEE696-1983 (withdrawn), was an early computer bus designed in 1974 as a part of the Altair 8800.
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Sage 50 Accounting
Sage 50 Accounting (US) is a business management software subscription-based product published by Sage Group and sold in the United States.
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Scripsit
Scripsit is a word processing application written for the Radio Shack TRS-80 line of computers.
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Sears
Sears, Roebuck and Company, colloquially known as Sears, is an American chain of department stores founded by Richard Warren Sears and Alvah Curtis Roebuck in 1892, reincorporated (a formality for a history-making consumer sector initial public offering) by Richard Sears and new partner Julius Rosenwald in 1906.
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Semigraphics
Text-based semigraphics or pseudographics is a primitive method used in early text mode video hardware to emulate raster graphics without having to implement the logic for such a display mode.
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Smithsonian Institution
The Smithsonian Institution, established on August 10, 1846 "for the increase and diffusion of knowledge," is a group of museums and research centers administered by the Government of the United States.
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SoftSide
SoftSide Magazine is a defunct computer magazine, begun in October 1978 by Roger Robitaille and published by SoftSide Publications of Milford, New Hampshire.
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Static random-access memory
Static random-access memory (static RAM or SRAM) is a type of semiconductor memory that uses bistable latching circuitry (flip-flop) to store each bit.
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Steve Ciarcia
Steve Ciarcia is an embedded control systems engineer.
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String (computer science)
In computer programming, a string is traditionally a sequence of characters, either as a literal constant or as some kind of variable.
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Switch
In electrical engineering, a switch is an electrical component that can "make" or "break" an electrical circuit, interrupting the current or diverting it from one conductor to another.
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Tandy 1000
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.
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Tandy 2000
The Tandy 2000 is a personal computer introduced by Radio Shack in September 1983 based on the 8 MHz Intel 80186 microprocessor running MS-DOS.
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Tandy Corporation
Tandy Corporation was an American family-owned leather goods company based in Fort Worth, Texas.
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Tandy Pocket Computer
A Tandy Pocket Computer or TRS-80 Pocket Computer is one of a line of 1980s small pocket computers—calculator-sized programmable computing devices—sold by Tandy Corporation under the "Tandy" or "Radio Shack TRS-80" brands.
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Targ (video game)
Targ was a successful 1980 game by Exidy depicting vehicular combat in a future world.
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Teletext
Teletext (or broadcast teletext) is a television information retrieval service created in the United Kingdom in the early 1970s by the Philips Lead Designer for VDUs, John Adams.
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The Alternate Source Programmer's Journal
The Alternate Source, also known as The Alternate Source Programmer's Journal was a magazine with deeply technical programming articles, most of which were at the Assembly Language level, for the TRS-80; focused on the Model I and Model III, with a few articles relating to the Color Computer.
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Timex Sinclair 2068
The Timex Sinclair 2068 (TS2068), released in November 1983, was Timex Sinclair's fourth and last home computer for the United States market.
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Tiny BASIC
Tiny BASIC is a dialect of the BASIC programming language that can fit into as little as 2 or 3 KB of memory.
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TRS-80 character set
The TRS-80 computer manufacturered by Tandy / Radio Shack contains an 8-bit character set.
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TRS-80 Color Computer
The RadioShack TRS-80 Color Computer (also marketed as the Tandy Color Computer and sometimes nicknamed the CoCo) is a line of home computers based on the Motorola 6809 processor.
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TRS-80 Model 100
The TRS-80 Model 100 is a portable computer introduced in 1983.
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TRS-80 Model II
The TRS-80 Model II was a computer system launched by Tandy in October 1979, and targeted at the small-business market.
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TRSDOS
TRSDOS (which stood for the Tandy Radio Shack Disk Operating System) was the operating system for the Tandy TRS-80 line of 8-bit Zilog Z80 microcomputers that were sold through Radio Shack through the late 1970s and early 1980s.
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Typeahead
Typeahead is a feature of computers and software (and some typewriters) that enables users to continue typing regardless of program or computer operation—the user may type in whatever speed is desired, and if the receiving software is busy at the time it will be called to handle this later.
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U880
The U880 is an 8-bit microprocessor that was manufactured by VEB Mikroelektronik "Karl Marx" Erfurt (abbreviated as MME; part of Kombinat Mikroelektronik Erfurt) in the German Democratic Republic.
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Video Genie
Video Genie (or simply Genie) was a series of computers produced by Hong Kong-based manufacturer EACA during the early 1980s.
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VisiCalc
VisiCalc (for "visible calculator") was the first spreadsheet computer program for personal computers, originally released for the Apple II by VisiCorp.
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Wayne Green
Wayne Sanger Green II (September 3, 1922 – September 13, 2013) was an American publisher, writer, and consultant.
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Western Digital FD1771
The FD1771 is the first in a line of floppy disk controllers produced by Western Digital.
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Wired (magazine)
Wired is a monthly American magazine, published in print and online editions, that focuses on how emerging technologies affect culture, the economy, and politics.
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WordStar
WordStar is a word processor application that had a dominant market share during the early- to mid-1980s.
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Zilog Z80
The Z80 CPU is an 8-bit based microprocessor.
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Zilog Z800
The Zilog Z800 was a 16-bit microprocessor designed by Zilog to be released in 1985.
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Zork
Zork is one of the earliest interactive fiction computer games, with roots drawn from the original genre game Colossal Cave Adventure.
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8-bit
8-bit is also a generation of microcomputers in which 8-bit microprocessors were the norm.
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80 Micro
80 Micro was a computer magazine, published between 1980 and 1988, that featured program listings, products and reviews for the TRS-80.
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Redirects here:
Model III, Radio Shack TRS-80, TRS 80, TRS-80 Model 4, TRS-80 Model I, TRS-80 Model III, TRS/80, TRS80, Tandy TRS 80, Tandy TRS-80, Trash 80, Trash-80, Trs80.
References
[1] https://en.wikipedia.org/wiki/TRS-80
