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Original Chip Set

Index Original Chip Set

The Original Chip Set (OCS) is a chipset used in the earliest Commodore Amiga computers and defined the Amiga's graphics and sound capabilities. [1]

98 relations: Addison-Wesley, AHI (Amiga), Amiga, Amiga 1000, Amiga 1200, Amiga 2000, Amiga 3000, Amiga 4000, Amiga 500, Amiga 500 Plus, Amiga 600, Amiga Advanced Architecture chipset, Amiga Advanced Graphics Architecture, Amiga CD32, Amiga Chip RAM, Amiga Enhanced Chip Set, Amiga Halfbrite mode, Amiga Hombre chipset, Amiga Old File System, Amiga Ranger Chipset, AmigaOS, ANTIC, Apple II, Atari 8-bit family, Bit blit, Bit plane, Blitter, Boolean algebra, Bresenham's line algorithm, Butterworth filter, Canonical normal form, Central processing unit, Chip carrier, Chipset, Chroma key, Color depth, Commodore 1541, Commodore 1581, Commodore AA+ Chipset, Commodore International, CTIA and GTIA, Direct memory access, Disk density, Dual in-line package, FIFO (computing and electronics), Finite-state machine, Floppy disk, Frequency modulation synthesis, Genlock, Group coded recording, ..., Hold-And-Modify, Horizontal scan rate, Hybris (video game), IBM Personal Computer, Input/output, Interlaced video, Interrupt, Jay Miner, Kilobyte, List of home computers by video hardware, Lossy compression, Low-pass filter, Macintosh, MIDI, Modified Frequency Modulation, MOS Technology, Motorola 68000, Nanosecond, NMOS logic, NTSC, Overscan, PAL, Palette (computing), Pixel, Planar (computer graphics), POKEY, Programmed input/output, Pulse-code modulation, Random-access memory, Raster bar, Raster graphics, Reconstruction filter, RGB color model, Run-length limited, Scan line, Semiconductor device fabrication, Serial port, Sprite (computer graphics), Stereophonic sound, Syncword, Television, Tremolo, Two's complement, United States, Universal asynchronous receiver-transmitter, Vibrato, 16-bit, 8-bit. Expand index (48 more) »

Addison-Wesley

Addison-Wesley is a publisher of textbooks and computer literature.

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AHI (Amiga)

AHI (AHI audio system) is a retargetable audio subsystem for AmigaOS, MorphOS and AROS.

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Amiga

The Amiga is a family of personal computers introduced by Commodore in 1985.

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Amiga 1000

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.

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Amiga 1200

The Amiga 1200, or A1200 (code-named "Channel Z"), is Commodore International's third-generation Amiga computer, aimed at the home computer market.

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Amiga 2000

The Amiga 2000, or A2000, is a personal computer released by Commodore in March 1987.

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Amiga 3000

The Commodore Amiga 3000, or A3000, is the third major release in the Amiga computer family.

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Amiga 4000

The Commodore Amiga 4000, or A4000, is the successor of the A2000 and A3000 computers.

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Amiga 500

The Amiga 500, also known as the A500, is the first low-end Commodore Amiga 16/32-bit multimedia home/personal computer.

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Amiga 500 Plus

The Commodore Amiga 500 Plus (often A500 Plus or simply A500+) is an enhanced version of the original Amiga 500 computer.

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Amiga 600

The Amiga 600, also known as the A600 (codenamed "June Bug" after a B-52s song), is a home computer that was introduced at the CeBIT show in March 1992.

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Amiga Advanced Architecture chipset

The AAA chipset (Advanced Amiga Architecture) was intended to be the next-generation Amiga multimedia system designed by Commodore International.

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Amiga Advanced Graphics Architecture

Amiga Advanced Graphics Architecture (AGA) is the third-generation Amiga graphic chipset, first used in the Amiga 4000 in 1992.

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Amiga CD32

The Amiga CD32, styled "CD32" and code-named "Spellbound", was the first 32-bit home video game console released in western Europe, Australia, Canada and Brazil.

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Amiga Chip RAM

Chip RAM is a commonly used term for the integrated RAM used in Commodore's line of Amiga computers.

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Amiga Enhanced Chip Set

The Enhanced Chip Set (ECS) is the second generation of the Amiga computer's chipset, offering minor improvements over the original chipset (OCS) design.

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Amiga Halfbrite mode

Extra Half-Brite (EHB) mode is a planar display mode of the Commodore Amiga computer.

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Amiga Hombre chipset

Hombre is a RISC chipset for the Amiga designed by Commodore, intended as the basis of its next generation game machine called CD64.

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Amiga Old File System

On the Amiga, the Old File System was the filesystem for AmigaOS before the Amiga Fast File System.

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Amiga Ranger Chipset

Amiga Ranger is an unreleased prototype personal computer by Commodore which was intended to be the second generation Amiga chipset, prior to ECS.

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AmigaOS

AmigaOS is a family of proprietary native operating systems of the Amiga and AmigaOne personal computers.

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ANTIC

Alphanumeric Television Interface Controller (ANTIC) is an LSI ASIC dedicated to generating 2D computer graphics to be shown on a television screen or computer display.

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Apple II

The Apple II (stylized as Apple.

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Atari 8-bit family

The Atari 8-bit family is a series of 8-bit home computers introduced by Atari, Inc. in 1979 and manufactured until 1992.

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Bit blit

Bit blit (also written BITBLT, BIT BLT, BitBLT, Bit BLT, Bit Blt etc., which stands for bit block transfer) is a data operation commonly used in computer graphics in which several bitmaps are combined into one using a boolean function.

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Bit plane

A bit plane of a digital discrete signal (such as image or sound) is a set of bits corresponding to a given bit position in each of the binary numbers representing the signal.

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Blitter

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.

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Boolean algebra

In mathematics and mathematical logic, Boolean algebra is the branch of algebra in which the values of the variables are the truth values true and false, usually denoted 1 and 0 respectively.

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Bresenham's line algorithm

Bresenham's line algorithm is an algorithm that determines the points of an n-dimensional raster that should be selected in order to form a close approximation to a straight line between two points.

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Butterworth filter

The Butterworth filter is a type of signal processing filter designed to have a frequency response as flat as possible in the passband.

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Canonical normal form

In Boolean algebra, any Boolean function can be put into the canonical disjunctive normal form (CDNF) or minterm canonical form and its dual canonical conjunctive normal form (CCNF) or maxterm canonical form.

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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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Chip carrier

In electronics, a chip carrier is one of several kinds of surface mount technology packages for integrated circuits (commonly called "chips").

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Chipset

In a computer system, a chipset is a set of electronic components in an integrated circuit known as a "Data Flow Management System" that manages the data flow between the processor, memory and peripherals.

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Chroma key

Chroma key compositing, or chroma keying, is a visual effects/post-production technique for compositing (layering) two images or video streams together based on color hues (chroma range).

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Color depth

Color depth or colour depth (see spelling differences), also known as bit depth, is either the number of bits used to indicate the color of a single pixel, in a bitmapped image or video frame buffer, or the number of bits used for each color component of a single pixel.

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Commodore 1541

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

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Commodore 1581

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.

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Commodore AA+ Chipset

This was the last classic Amiga compatible chipset that Commodore announced in 1992.

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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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CTIA and GTIA

Color Television Interface Adaptor (CTIA) and its successor Graphic Television Interface Adaptor (GTIA) are custom chips used in the Atari 8-bit family of computers and in the Atari 5200 console.

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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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Dual in-line package

In microelectronics, a dual in-line package (DIP or DIL), or dual in-line pin package (DIPP) is an electronic component package with a rectangular housing and two parallel rows of electrical connecting pins.

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FIFO (computing and electronics)

FIFO is an acronym for first in, first out, a method for organizing and manipulating a data buffer, where the oldest (first) entry, or 'head' of the queue, is processed first.

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Finite-state machine

A finite-state machine (FSM) or finite-state automaton (FSA, plural: automata), finite automaton, or simply a state machine, is a mathematical model of computation.

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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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Frequency modulation synthesis

Frequency modulation synthesis (or FM synthesis) is a form of sound synthesis where the timbre of a simple waveform (such as a square, triangle, or sawtooth) called the carrier, is changed by modulating its frequency with a modulator frequency that is also in the same or similar audio range, so that a more complex timbre results.

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Genlock

Genlock (generator locking) is a common technique where the video output of one source, or a specific reference signal from a signal generator, is used to synchronize other picture sources together.

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Group coded recording

In computer science, group coded recording or group code recording (GCR) refers to several distinct but related encoding methods for magnetic media.

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Hold-And-Modify

Hold-And-Modify, usually abbreviated as HAM, is a display mode of the Commodore Amiga computer.

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Horizontal scan rate

Horizontal scan rate, or horizontal frequency, usually expressed in kilohertz, is the frequency at which a CRT moves the electron beam from the left side of the display to the right and back, and therefore describes the number of horizontal lines displayed per second.

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Hybris (video game)

Hybris is a vertically scrolling shoot 'em up video game for the Amiga home computer developed by Cope-Com and published by Discovery Software.

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IBM Personal Computer

The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform.

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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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Interlaced video

Interlaced video is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth.

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Interrupt

In system programming, an interrupt is a signal to the processor emitted by hardware or software indicating an event that needs immediate attention.

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Jay Miner

Jay Glenn Miner (May 31, 1932 – June 20, 1994) was an American integrated circuit designer, known primarily for developing multimedia chips for the Atari 2600 and Atari 8-bit family and as the "father of the Amiga".

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Kilobyte

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

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List of home computers by video hardware

This is a list of home computers, sorted alphanumerically, which lists all relevant details of their video hardware.

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Lossy compression

In information technology, lossy compression or irreversible compression is the class of data encoding methods that uses inexact approximations and partial data discarding to represent the content.

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Low-pass filter

A low-pass filter (LPF) is a filter that passes signals with a frequency lower than a certain cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency.

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Macintosh

The Macintosh (pronounced as; branded as Mac since 1998) is a family of personal computers designed, manufactured, and sold by Apple Inc. since January 1984.

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MIDI

MIDI (short for Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical instruments, computers, and related music and audio devices.

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Modified Frequency Modulation

Modified Frequency Modulation, commonly MFM, is a run-length limited (RLL) coding scheme used to encode the actual data-bits on most floppy disks.

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MOS Technology

MOS Technology, Inc. ("MOS" being short for Metal Oxide Semiconductor), also known as CSG (Commodore Semiconductor Group), was a semiconductor design and fabrication company based in Norristown, Pennsylvania, in the United States.

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Motorola 68000

The Motorola 68000 ("'sixty-eight-thousand'"; also called the m68k or Motorola 68k, "sixty-eight-kay") is a 16/32-bit CISC microprocessor, which implements a 32-bit instruction set, with 32-bit registers and 32-bit internal data bus, but with a 16-bit data ALU and two 16-bit arithmetic ALUs and a 16-bit external data bus, designed and marketed by Motorola Semiconductor Products Sector.

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Nanosecond

A nanosecond (ns) is an SI unit of time equal to one thousand-millionth of a second (or one billionth of a second), that is, 1/1,000,000,000 of a second, or 10 seconds.

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NMOS logic

N-type metal-oxide-semiconductor logic uses n-type field-effect transistors (MOSFETs) to implement logic gates and other digital circuits.

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NTSC

NTSC, named after the National Television System Committee,National Television System Committee (1951–1953),, 17 v. illus., diagrs., tables.

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Overscan

Overscan is a behaviour in certain television sets, in which part of the input picture is shown outside of the visible bounds of the screen.

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PAL

Phase Alternating Line (PAL) is a color encoding system for analogue television used in broadcast television systems in most countries broadcasting at 625-line / 50 field (25 frame) per second (576i).

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Palette (computing)

In computer graphics, a palette is a finite set of colors.

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Pixel

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.

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Planar (computer graphics)

In computer graphics, planar is the method of representing pixel colors with several bitplanes of RAM.

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POKEY

The Pot Keyboard Integrated Circuit (POKEY) is a digital I/O chip designed for the Atari 8-bit family of home computers and found in Atari arcade games of the 1980s.

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Programmed input/output

Programmed input/output (PIO) is a method of transferring data between the CPU and a peripheral, such as a network adapter or an ATA storage device.

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Pulse-code modulation

Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals.

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Random-access memory

Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.

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Raster bar

The raster bar (also referred to as rasterbar or copperbar) is an effect used in demos and older video games that displays animated bars of colour, usually horizontal, which additionally might extend into the border, a.k.a. the otherwise unalterable area (assuming no overscan) of the display.

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Raster graphics

In computer graphics, a raster graphics or bitmap image is a dot matrix data structure that represents a generally rectangular grid of pixels (points of color), viewable via a monitor, paper, or other display medium.

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Reconstruction filter

In a mixed-signal system (analog and digital), a reconstruction filter is used to construct a smooth analog signal from a digital input, as in the case of a digital to analog converter (DAC) or other sampled data output device.

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RGB color model

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.

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Run-length limited

Run-length limited or RLL coding is a line coding technique that is used to send arbitrary data over a communications channel with bandwidth limits.

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Scan line

A scan line (also scanline) is one line, or row, in a raster scanning pattern, such as a line of video on a cathode ray tube (CRT) display of a television set or computer monitor.

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Semiconductor device fabrication

Semiconductor device fabrication is the process used to create the integrated circuits that are present in everyday electrical and electronic devices.

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Serial port

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).

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Sprite (computer graphics)

In computer graphics, a sprite is a two-dimensional bitmap that is integrated into a larger scene.

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Stereophonic sound

Stereophonic sound or, more commonly, stereo, is a method of sound reproduction that creates an illusion of multi-directional audible perspective.

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Syncword

In computer networks, a syncword, sync character, sync sequence or preamble is used to synchronize a data transmission by indicating the end of header information and the start of data.

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Television

Television (TV) is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in colour, and in two or three dimensions and sound.

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Tremolo

In music, tremolo, or tremolando, is a trembling effect.

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Two's complement

Two's complement is a mathematical operation on binary numbers, best known for its role in computing as a method of signed number representation.

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United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

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Universal asynchronous receiver-transmitter

A universal asynchronous receiver-transmitter (UART) is a computer hardware device for asynchronous serial communication in which the data format and transmission speeds are configurable.

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Vibrato

Vibrato (Italian, from past participle of "vibrare", to vibrate) is a musical effect consisting of a regular, pulsating change of pitch.

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16-bit

16-bit microcomputers are computers in which 16-bit microprocessors were the norm.

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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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Redirects here:

Amiga Original chipset, Amiga original chipset, Blitter (OCS), Copper (OCS), Denise (OCS), Denise (computer chip), MOS Technology 8362, MOS Technology 8364, MOS Technology 8373, Original Amiga chipset, Original chipset, Paula (computer chip).

References

[1] https://en.wikipedia.org/wiki/Original_Chip_Set

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