85 relations: Analog-to-digital converter, Apple I, Apple II accelerators, Apple II graphics, Apple II peripheral cards, Apple II Plus, Apple II processor cards, Apple II serial cards, Apple II series, Apple II sound cards, Apple II system clocks, Apple IIe, Apple Inc., Applesoft BASIC, École Polytechnique Fédérale de Lausanne, BIOS, Byte (magazine), Colorburst, Commodore PET, Compact Cassette, Comparator applications, Composite artifact colors, Composite video, CP/M, DBase, Disk II, Dynamic random-access memory, Electronic visual display, Expansion card, Floppy disk, Frequency-shift keying, Hertz, Hexadecimal, Home computer, InfoWorld, Integer BASIC, Killer application, Lausanne, Magnetic tape data storage, Mainframe computer, Memory refresh, Microcomputer, Mimeograph, Minicomputer, MOS Technology 6502, Motorola 6809, Musée Bolo, NTSC, Open architecture, OS-9, ..., Paddle (game controller), Parallel port, Pascal (programming language), Personal Computer World, Phase (waves), Phone connector (audio), Pixel, Printed circuit board, Programmable read-only memory, Radio frequency, Random-access memory, RCA connector, Read-only memory, Republic of Ireland, RF modulator, Rod Holt, SCSI, Serial port, Silicon Valley, Singapore, Steve Jobs, Steve Jobs (book), Steve Wozniak, Switched-mode power supply, Teleprinter, Title 47 CFR Part 15, TRS-80, University of California, San Diego, VisiCalc, West Coast Computer Faire, Wire wrap, WordStar, Z-80 SoftCard, Zilog Z80, 8-bit. Expand index (35 more) » « Shrink index
In electronics, an analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a digital signal.
Apple Computer 1, also known later as the Apple I, or Apple-1, is a desktop computer released by the Apple Computer Company (now Apple Inc.) in 1976.
Apple II accelerators are computer hardware devices which enable an Apple II computer to operate faster than their intended clock rate.
The Apple II graphics were composed of idiosyncratic modes and settings that could be exploited.
The Apple II line of computers supported a number of Apple II peripheral cards, expansion cards which plugged into slots on the motherboard, and added to and extended the functionality of the base system.
The Apple II Plus (stylized as Apple.
Apple II processor cards (or co-processor cards) were special cards that could be used to allow the Apple II to use different processors on the (otherwise) same computer hardware.
Apple II serial cards primarily used the serial RS-232 protocol.
The Apple II series (trademarked with square brackets as "Apple.
The Apple II had limited inherent sound capabilities until the Apple //gs shipped in 1986.
Apple II system clocks, also known as real-time clocks, were commodities in the early days of computing.
The Apple IIe (styled as Apple //e) is the third model in the Apple II series of personal computers produced by Apple Computer.
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.
Applesoft BASIC is a dialect of Microsoft BASIC, developed by Marc McDonald and Ric Weiland, supplied with the Apple II series of computers.
The École polytechnique fédérale de Lausanne (EPFL) is a research institute and university in Lausanne, Switzerland, that specializes in natural sciences and engineering.
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.
Byte was an American microcomputer magazine, influential in the late 1970s and throughout the 1980s because of its wide-ranging editorial coverage.
Colorburst is an analog video, composite video signal generated by a video-signal generator used to keep the chrominance subcarrier synchronized in a color television signal.
The Commodore PET (Personal Electronic Transactor) is a line of home/personal computers produced starting in 1977 by Commodore International.
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.
A comparator is an electronic component that compares two input voltages.
Composite artifact colors is a designation commonly used to address several graphic modes of some 1970s and 1980s home computers.
Composite video (one channel) is an analog video transmission (without audio) that carries standard definition video typically at 480i or 576i resolution.
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 Disk II Floppy Disk Subsystem, often rendered as Disk.
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.
An electronic visual display, informally a screen, is a display device for presentation of images, text, or video transmitted electronically, without producing a permanent record.
In computing, the expansion card, expansion board, adapter card or accessory card is a printed circuit board that can be inserted into an electrical connector, or expansion slot, on a computer motherboard, backplane or riser card to add functionality to a computer system via the expansion bus.
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.
Frequency-shift keying (FSK) is a frequency modulation scheme in which digital information is transmitted through discrete frequency changes of a carrier signal.
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.
InfoWorld (formerly The Intelligent Machines Journal) is an information technology media business.
Integer BASIC, written by Steve Wozniak, is the BASIC interpreter of the Apple I and original Apple II computers.
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.
Lausanne (Lausanne Losanna, Losanna) is a city in the French-speaking part of Switzerland, and the capital and biggest city of the canton of Vaud.
Magnetic tape data storage is a system for storing digital information on magnetic tape using digital recording.
Mainframe computers (colloquially referred to as "big iron") are computers used primarily by large organizations for critical applications; bulk data processing, such as census, industry and consumer statistics, enterprise resource planning; and transaction processing.
Memory refresh is the process of periodically reading information from an area of computer memory and immediately rewriting the read information to the same area without modification, for the purpose of preserving the information.
A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU).
The stencil duplicator or mimeograph machine (often abbreviated to mimeo) is a low-cost duplicating machine that works by forcing ink through a stencil onto paper.
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.
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".
The Motorola 6809 ("sixty-eight-oh-nine") is an 8-bit microprocessor CPU with some 16-bit features from Motorola.
The Musée Bolo is an exhibition at the School of Computer And Communication Sciences at the École Polytechnique Fédérale de Lausanne (EPFL) in Lausanne, Romandy, Switzerland.
NTSC, named after the National Television System Committee,National Television System Committee (1951–1953),, 17 v. illus., diagrs., tables.
Open architecture is a type of computer architecture or software architecture that is designed to make adding, upgrading and swapping components easy.
OS-9 is a family of real-time, process-based, multitasking, multi-user operating systems, developed in the 1980s, originally by Microware Systems Corporation for the Motorola 6809 microprocessor.
A paddle is a game controller with a round wheel and one or more fire buttons, where the wheel is typically used to control movement of the player object along one axis of the video screen.
A parallel port is a type of interface found on computers (personal and otherwise) for connecting peripherals.
Pascal is an imperative and procedural programming language, which Niklaus Wirth designed in 1968–69 and published in 1970, as a small, efficient language intended to encourage good programming practices using structured programming and data structuring. It is named in honor of the French mathematician, philosopher and physicist Blaise Pascal. Pascal was developed on the pattern of the ALGOL 60 language. Wirth had already developed several improvements to this language as part of the ALGOL X proposals, but these were not accepted and Pascal was developed separately and released in 1970. A derivative known as Object Pascal designed for object-oriented programming was developed in 1985; this was used by Apple Computer and Borland in the late 1980s and later developed into Delphi on the Microsoft Windows platform. Extensions to the Pascal concepts led to the Pascal-like languages Modula-2 and Oberon.
Personal Computer World (usually referred to as PCW) (February 1978 - June 2009) was the first British computer magazine.
Phase is the position of a point in time (an instant) on a waveform cycle.
A phone connector, also known as phone jack, audio jack, headphone jack or jack plug, is a family of electrical connectors typically used for analog audio signals.
In digital imaging, a pixel, pel, dots, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.
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.
A programmable read-only memory (PROM) or field programmable read-only memory (FPROM) or one-time programmable non-volatile memory (OTP NVM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse.
Radio frequency (RF) refers to oscillatory change in voltage or current in a circuit, waveguide or transmission line in the range extending from around twenty thousand times per second to around three hundred billion times per second, roughly between the upper limit of audio and the lower limit of infrared.
Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.
An RCA connector, sometimes called a phono connector or (in other languages) Cinch connector, is a type of electrical connector commonly used to carry audio and video signals.
Read-only memory (ROM) is a type of non-volatile memory used in computers and other electronic devices.
Ireland (Éire), also known as the Republic of Ireland (Poblacht na hÉireann), is a sovereign state in north-western Europe occupying 26 of 32 counties of the island of Ireland.
An RF modulator (or radio frequency modulator) is an electronic device whose input is a baseband signal which is used to modulate a radio frequency source.
Frederick Rodney "Rod" HoltMoritz, Michael, The Little Kingdom, ebook (born 1934) is an American computer engineer and political activist.
Small Computer System Interface (SCSI) is a set of standards for physically connecting and transferring data between computers and peripheral devices.
In computing, a serial port is a serial communication interface through which information transfers in or out one bit at a time (in contrast to a parallel port).
Silicon Valley (abbreviated as SV) is a region in the southern San Francisco Bay Area of Northern California, referring to the Santa Clara Valley, which serves as the global center for high technology, venture capital, innovation, and social media.
Singapore, officially the Republic of Singapore, is a sovereign city-state and island country in Southeast Asia.
Steven Paul Jobs (February 24, 1955 – October 5, 2011) was an American entrepreneur and business magnate.
Steve Jobs is the authorized self-titled biography book of Steve Jobs.
Stephen Gary Wozniak (born on August 11, 1950), often referred to by the nickname Woz, is an American inventor, electronics engineer, programmer, philanthropist, and technology entrepreneur who co-founded Apple Computer, Inc.
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 teleprinter (teletypewriter, Teletype or TTY) is an electromechanical typewriter that can be used to send and receive typed messages through various communications channels, in both point-to-point and point-to-multipoint configurations.
Code of Federal Regulations, Title 47, Part 15 (47 CFR 15) is an oft-quoted part of Federal Communications Commission (FCC) rules and regulations regarding unlicensed transmissions.
The TRS-80 Micro Computer System (TRS-80, later renamed the Model I to distinguish it from successors) is a desktop microcomputer launched in 1977 and sold by Tandy Corporation through their Radio Shack stores.
The University of California, San Diego is a public research university located in the La Jolla neighborhood of San Diego, California, in the United States.
VisiCalc (for "visible calculator") was the first spreadsheet computer program for personal computers, originally released for the Apple II by VisiCorp.
The West Coast Computer Faire was an annual computer industry conference and exposition most often associated with San Francisco, its first and most frequent venue.
Wire wrap was invented to wire telephone crossbar switches, and later adapted to construct electronic circuit boards.
WordStar is a word processor application that had a dominant market share during the early- to mid-1980s.
The Z-80 SoftCard is a plug-in coprocessor card developed by Microsoft to turn the Apple II personal computer into a CP/M system based upon the Zilog Z80 CPU.
The Z80 CPU is an 8-bit based microprocessor.
8-bit is also a generation of microcomputers in which 8-bit microprocessors were the norm.