134 relations: Abandonware, Antifuse, Apollo Guidance Computer, Application software, Auxiliary memory, Backup, Backward compatibility, BASIC, BIOS, Bit, Booting, Bootstrapping, Calculator, Capacitor, Cathode ray, Cathode ray tube, CD-R, CD-ROM, CD-RW, Central processing unit, Charactron, CMOS, Color Graphics Adapter, Combinational logic, Commodore 64, Computer, Computer data storage, Computer hardware, Computer security, Computer terminal, Consumer electronics, Copyright, Core rope memory, Cryptography, Die (integrated circuit), Digital Equipment Corporation, Diode matrix, Disk storage, EEPROM, Embedded system, ENIAC, EPROM, Fair use, Ferrite (magnet), File format, File system permissions, Firmware, Flash memory, Flip-flop (electronics), Floating-gate MOSFET, ..., Floating-point unit, Font, Fuse (electrical), Gigabyte, Hard disk drive, Home appliance, Home computer, IBM, IBM 1401, IBM Monochrome Display Adapter, IBM PC compatible, IBM Personal Computer XT, IBM System/360, IBM System/360 Model 30, IBM System/360 Model 40, IBM System/360 Model 50, Industrial robot, Information security, Insulator (electricity), Integrated circuit, Intel, Ionizing radiation, IPodLinux, KERNAL, Kilobyte, Linux, Linux distribution, Lithium battery, Logic gate, Lookup table, Magnetic storage, Mains electricity, Mask ROM, Mass storage, Massachusetts Institute of Technology, Memory card, Microcode, Microprocessor, MP3 player, NASA, Non-volatile memory, OpenWrt, Operating system, Optical disc drive, Optical storage, PDP-8, Printed circuit board, Product recall, Programmable read-only memory, Propagation delay, Quartz, Random-access memory, Research and development, Resistor, ROM cartridge, Second, Secure Digital, Semiconductor fabrication plant, Serial cable, Set-top box, Software, Solid-state electronics, State (computer science), Static random-access memory, Stencil, Stored-program computer, Thin-film-transistor liquid-crystal display, Toshiba, Transformer, Transformer Read Only Storage, Transistor, TXE, Ultraviolet, USB flash drive, Video, Video card, Video game console, Video game console emulator, Volt, Wire bonding, Word (computer architecture), Write once read many, Write protection, Write-only memory (engineering). Expand index (84 more) » « Shrink index
Abandonware is a product, typically software, ignored by its owner and manufacturer, and for which no support is available.
An antifuse is an electrical device that performs the opposite function to a fuse.
The Apollo Guidance Computer (AGC) was a digital computer produced for the Apollo program that was installed on board each Apollo Command Module (CM) and Lunar Module (LM).
An application software (app or application for short) is a computer software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user.
Auxiliary memory, also known as auxiliary storage, secondary storage, secondary memory or external memory, is a non-volatile memory (does not lose stored data when the device is powered down) that is not directly accessible by the CPU, because it is not accessed via the input/output channels (it is an external device).
In information technology, a backup, or the process of backing up, refers to the copying into an archive file of computer data so it may be used to restore the original after a data loss event.
Backward compatibility is a property of a system, product, or technology that allows for interoperability with an older legacy system, or with input designed for such a system, especially in telecommunications and computing.
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.
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.
The bit (a portmanteau of binary digit) is a basic unit of information used in computing and digital communications.
In computing, booting is starting up a computer or computer appliance until it can be used.
In general, bootstrapping usually refers to a self-starting process that is supposed to proceed without external input.
An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.
A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes.
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.
CD-R (Compact Disc-Recordable) is a digital optical disc storage format.
A CD-ROM is a pre-pressed optical compact disc which contains data.
CD-RW (Compact Disc-ReWritable) is a digital optical disc storage format.
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.
Charactron was a U.S. registered trademark (number 0585950, 23 February 1954) of Consolidated Vultee Aircraft Corporation (Convair) for its shaped electron beam cathode ray tube.
Complementary metal–oxide–semiconductor, abbreviated as CMOS, is a technology for constructing integrated circuits.
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.
In digital circuit theory, combinational logic (sometimes also referred to as time-independent logic) is a type of digital logic which is implemented by Boolean circuits, where the output is a pure function of the present input only.
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).
A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.
Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media that are used to retain digital data.
Computer hardware includes the physical parts or components of a computer, such as the central processing unit, monitor, keyboard, computer data storage, graphic card, sound card and motherboard.
Cybersecurity, computer security or IT security is the protection of computer systems from theft of or damage to their hardware, software or electronic data, as well as from disruption or misdirection of the services they provide.
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.
Consumer electronics or home electronics are electronic (analog or digital) equipments intended for everyday use, typically in private homes.
Copyright is a legal right, existing globally in many countries, that basically grants the creator of an original work exclusive rights to determine and decide whether, and under what conditions, this original work may be used by others.
Core rope memory is a form of read-only memory (ROM) for computers, first used in the 1960s by early NASA Mars space probes and then in the Apollo Guidance Computer (AGC) designed and programmed by the Massachusetts Institute of Technology (MIT) Instrumentation Lab and built by Raytheon.
Cryptography or cryptology (from κρυπτός|translit.
A die (pronunciation: /daɪ/) in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.
Digital Equipment Corporation, also known as DEC and using the trademark Digital, was a major American company in the computer industry from the 1950s to the 1990s.
A diode matrix is a two-dimensional grid of wires: each "intersection" wherein one row crosses over another has either a diode connecting them, or the wires are isolated from each other.
Disk storage (also sometimes called drive storage) is a general category of storage mechanisms where data is recorded by various electronic, magnetic, optical, or mechanical changes to a surface layer of one or more rotating disks.
EEPROM (also E2PROM) stands for Electrically Erasable Programmable Read-Only Memory and is a type of non-volatile memory used in computers, integrated in microcontrollers for smart cards and remote keyless system, and other electronic devices to store relatively small amounts of data but allowing individual bytes to be erased and reprogrammed.
An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.
ENIAC (Electronic Numerical Integrator and Computer) was amongst the earliest electronic general-purpose computers made.
An EPROM (rarely EROM), or erasable programmable read-only memory, is a type of memory chip that retains its data when its power supply is switched off.
Fair use is a doctrine in the law of the United States that permits limited use of copyrighted material without having to first acquire permission from the copyright holder.
A ferrite is a ceramic material made by mixing and firing large proportions iron(III) oxide (Fe2O3, rust) blended with small proportions of one or more additional metallic elements, such as barium, manganese, nickel, and zinc.
A file format is a standard way that information is encoded for storage in a computer file.
Most file systems have methods to assign permissions or access rights to specific users and groups of users.
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.
Flash memory is an electronic (solid-state) non-volatile computer storage medium that can be electrically erased and reprogrammed.
In electronics, a flip-flop or latch is a circuit that has two stable states and can be used to store state information.
The floating-gate MOSFET (FGMOS) is a field-effect transistor, whose structure is similar to a conventional MOSFET.
A floating-point unit (FPU, colloquially a math coprocessor) is a part of a computer system specially designed to carry out operations on floating point numbers.
In metal typesetting, a font was a particular size, weight and style of a typeface.
In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit.
The gigabyte is a multiple of the unit byte for digital information.
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.
Home appliances are electrical/mechanical machines which accomplish some household functions, such as cooking, cleaning, or food preservation.
Home computers were a class of microcomputers entering the market in 1977, and becoming common during the 1980s.
The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.
The IBM 1401 is a variable wordlength decimal computer that was announced by IBM on October 5, 1959.
The Monochrome Display Adapter (MDA, also MDA card, Monochrome Display and Printer Adapter, MDPA) is IBM's standard video display card and computer display standard for the PC introduced in 1981.
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 XT, often shortened to the IBM XT, PC XT, or simply XT, is a version of the IBM PC with a built-in hard drive.
The IBM System/360 (S/360) is a family of mainframe computer systems that was announced by IBM on April 7, 1964, and delivered between 1965 and 1978.
The IBM System/360 Model 30 was a low-end member of the IBM System/360 family.
The IBM System/360 Model 40 was a mid-range member of the IBM System/360 family.
The IBM System/360 Model 50 is a member of the IBM System/360 family of computers.
An industrial robot is a robot system used for manufacturing.
Information security, sometimes shortened to InfoSec, is the practice of preventing unauthorized access, use, disclosure, disruption, modification, inspection, recording or destruction of information.
An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.
An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon.
Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.
Ionizing radiation (ionising radiation) is radiation that carries enough energy to liberate electrons from atoms or molecules, thereby ionizing them.
iPodLinux is a µClinux-based Linux distribution designed specifically to run on Apple Inc.'s iPod.
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.
The kilobyte is a multiple of the unit byte for digital information.
Linux is a family of free and open-source software operating systems built around the Linux kernel.
A Linux distribution (often abbreviated as distro) is an operating system made from a software collection, which is based upon the Linux kernel and, often, a package management system.
Lithium batteries are primary batteries that have lithium as an anode.
In electronics, a logic gate is an idealized or physical device implementing a Boolean function; that is, it performs a logical operation on one or more binary inputs and produces a single binary output.
In computer science, a lookup table is an array that replaces runtime computation with a simpler array indexing operation.
Magnetic storage or magnetic recording is the storage of data on a magnetized medium.
Mains electricity (as it is known in the UK; US terms include grid power, wall power, and domestic power) is the general-purpose alternating-current (AC) electric power supply.
Mask ROM (MROM) is a type of read-only memory (ROM) whose contents are programmed by the integrated circuit manufacturer (rather than by the user).
In computing, mass storage refers to the storage of large amounts of data in a persisting and machine-readable fashion.
The Massachusetts Institute of Technology (MIT) is a private research university located in Cambridge, Massachusetts, United States.
A memory card, flash card or memory cartridge is an electronic flash memory data storage device used for storing digital information.
Microcode is a computer hardware technique that imposes an interpreter between the CPU hardware and the programmer-visible instruction set architecture of the computer.
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.
An MP3 player or Digital Audio Player is an electronic device that can play digital audio files.
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
Non-volatile memory (NVM) or non-volatile storage is a type of computer memory that can retrieve stored information even after having been power cycled.
OpenWrt is an open source project for embedded operating system based on Linux, primarily used on embedded devices to route network traffic.
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
In computing, an optical disc drive (ODD) is a disc drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs.
Optical storage is the storage of data on an optically readable medium.
The PDP-8 was a 12-bit minicomputer produced by Digital Equipment Corporation (DEC).
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 product recall is a request to return a product after the discovery of safety issues or product defects that might endanger the consumer or put the maker/seller at risk of legal action.
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.
Propagation delay is a technical term that can have a different meaning depending on the context.
Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.
Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.
Research and development (R&D, R+D, or R'n'D), also known in Europe as research and technological development (RTD), refers to innovative activities undertaken by corporations or governments in developing new services or products, or improving existing services or products.
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.
A ROM cartridge, sometimes referred to simply as a cartridge or cart, is a removable enclosure containing ROM designed to be connected to a consumer electronics device such as a home computer, video game console and to a lesser extent, electronic musical instruments.
The second is the SI base unit of time, commonly understood and historically defined as 1/86,400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each.
Secure Digital (SD) is a non-volatile memory card format developed by the SD Card Association (SDA) for use in portable devices.
In the microelectronics industry a semiconductor fabrication plant (commonly called a fab; sometimes foundry) is a factory where devices such as integrated circuits are manufactured.
A serial cable is a cable used to transfer information between two devices using a serial communication protocol.
A set-top box (STB) or set-top unit (STU) (one type also colloquially known as a cable box) is an information appliance device that generally contains a TV-tuner input and displays output to a television set and an external source of signal, turning the source signal into content in a form that then be displayed on the television screen or other display device.
Computer software, or simply software, is a generic term that refers to a collection of data or computer instructions that tell the computer how to work, in contrast to the physical hardware from which the system is built, that actually performs the work.
Solid-state electronics means semiconductor electronics; electronic equipment using semiconductor devices such as semiconductor diodes, transistors, and integrated circuits (ICs).
In information technology and computer science, a program is described as stateful if it is designed to remember preceding events or user interactions; the remembered information is called the state of the system.
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.
Stencilling produces an image or pattern by applying pigment to a surface over an intermediate object with designed gaps in it which create the pattern or image by only allowing the pigment to reach some parts of the surface.
A stored-program computer is a computer that stores program instructions in electronic memory.
A Thin-film-transistor liquid-crystal display (TFT LCD) is a variant of a liquid-crystal display (LCD) that uses thin-film-transistor (TFT) technology to improve image qualities such as addressability and contrast.
, commonly known as Toshiba, is a Japanese multinational conglomerate headquartered in Tokyo, Japan.
A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformer Read Only Storage (TROS) was a type of ROM used in the 1960s and early 1970s before solid state memory devices were developed.
A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.
TXE, which stands for telephone exchange electronic, was the designation given to a family of telephone exchanges developed by the British General Post Office (GPO), designed to replace the ageing Strowger systems.
Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.
A USB flash drive, also variously known as a thumb drive, pen drive, gig stick, flash stick, jump drive, disk key, disk on key (after the original M-Systems DiskOnKey drive from 2000), flash-drive, memory stick (not to be confused with the Sony Memory Stick), USB stick or USB memory, is a data storage device that includes flash memory with an integrated USB interface.
Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media.
A video card (also called a display card, graphics card, display adapter or graphics adapter) is an expansion card which generates a feed of output images to a display (such as a computer monitor).
A video game console is an electronic, digital or computer device that outputs a video signal or visual image to display a video game that one or more people can play.
A video game console emulator is a type of emulator that allows a computing device to emulate a video game console's hardware and play its games on the emulating platform.
The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
Wire bonding is the method of making interconnections (ATJ) between an integrated circuit (IC) or other semiconductor device and its packaging during semiconductor device fabrication.
In computing, a word is the natural unit of data used by a particular processor design.
Write once read many (WORM) describes a data storage device in which information, once written, cannot be modified.
Write protection is any physical mechanism that prevents modification or erasure of valuable data on a device.
In information technology, a write-only memory (WOM) is a memory location or register that can be written to but not read.
Balanced capacitor read-only storage, CCROS, Charged Capacitor Read-Only Storage, Charged capacitor read-only storage, EAROM, Program Memory, READ ONLY MEMORY, ROM chip, Read Only Memory, Read Only memory, Read only Memory, Read only memory, Read-Only Memory, Read-Only memory, Read-only Memory, Read-only storage.