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LGP-30

Index LGP-30

The LGP-30, standing for Librascope General Purpose and then Librascope General Precision, was an early off-the-shelf computer. [1]

57 relations: Addressing mode, Air conditioning, ALGOL 60, Atmosphere of Earth, Attractor, Binary number, Bit-serial architecture, Booting, British thermal unit, Butterfly effect, Caster, Central processing unit, Chaos theory, Computer, Computer data storage, Dartmouth ALGOL 30, Dartmouth College, Diode, Diode logic, Drum memory, Ed Nather, Edward Norton Lorenz, ENIAC, Fixed-point arithmetic, Friden Flexowriter, Front panel, General Precision Equipment, Glendale, California, IBM 650, Inch, Instruction set architecture, Interleaving (disk storage), John Wiley & Sons, Librascope, List of programming languages, List of vacuum tube computers, Logical address, Machine code, Manhattan Project, Millisecond, Motherboard, Operand, Oscilloscope, Printer (computing), Processor register, Punched tape, Royal McBee, Royal Typewriter Company, Stan Frankel, The Story of Mel, ..., Typewriter, Vacuum tube, Volt, Voltage regulation, Watt, Word (computer architecture), YouTube. Expand index (7 more) »

Addressing mode

Addressing modes are an aspect of the instruction set architecture in most central processing unit (CPU) designs.

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Air conditioning

Air conditioning (often referred to as AC, A/C, or air con) is the process of removing heat and moisture from the interior of an occupied space, to improve the comfort of occupants.

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ALGOL 60

ALGOL 60 (short for Algorithmic Language 1960) is a member of the ALGOL family of computer programming languages.

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Atmosphere of Earth

The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.

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Attractor

In the mathematical field of dynamical systems, an attractor is a set of numerical values toward which a system tends to evolve, for a wide variety of starting conditions of the system.

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Binary number

In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one).

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Bit-serial architecture

In digital logic applications, bit-serial architectures send data one bit at a time, along a single wire, in contrast to bit-parallel word architectures, in which data values are sent all bits or a word at once along a group of wires.

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Booting

In computing, booting is starting up a computer or computer appliance until it can be used.

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British thermal unit

The British thermal unit (Btu or BTU) is a traditional unit of heat; it is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.

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Butterfly effect

In chaos theory, the butterfly effect is the sensitive dependence on initial conditions in which a small change in one state of a deterministic nonlinear system can result in large differences in a later state.

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Caster

A caster (also castor according to some dictionaries) is a wheeled device typically mounted to a larger object that enables relatively easy rolling movement of the object.

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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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Chaos theory

Chaos theory is a branch of mathematics focusing on the behavior of dynamical systems that are highly sensitive to initial conditions.

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Computer

A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.

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Computer data storage

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.

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Dartmouth ALGOL 30

Dartmouth ALGOL 30 was an 1960s-era implementation, firstly of the ALGOL 58 programming language, then of ALGOL 60 for the LGP-30 at Dartmouth College, hence the name.

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Dartmouth College

Dartmouth College is a private Ivy League research university in Hanover, New Hampshire, United States.

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Diode

A diode is a two-terminal electronic component that conducts current primarily in one direction (asymmetric conductance); it has low (ideally zero) resistance in one direction, and high (ideally infinite) resistance in the other.

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Diode logic

Diode logic (DL), or diode-resistor logic (DRL), is the construction of Boolean logic gates from diodes.

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Drum memory

Drum memory was a magnetic data storage device invented by Gustav Tauschek in 1932 in Austria.

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Ed Nather

R.

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Edward Norton Lorenz

Edward Norton Lorenz (May 23, 1917 – April 16, 2008) was an American mathematician, meteorologist, and a pioneer of chaos theory.

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ENIAC

ENIAC (Electronic Numerical Integrator and Computer) was amongst the earliest electronic general-purpose computers made.

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Fixed-point arithmetic

In computing, a fixed-point number representation is a real data type for a number that has a fixed number of digits after (and sometimes also before) the radix point (after the decimal point '.' in English decimal notation).

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Friden Flexowriter

The Friden Flexowriter was a teleprinter, a heavy-duty electric typewriter capable of being driven not only by a human typing, but also automatically by several methods, including direct attachment to a computer and by use of paper tape.

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Front panel

A front panel was used on early electronic computers to display and allow the alteration of the state of the machine's internal registers and memory.

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General Precision Equipment

The General Precision Equipment Corporation was a major manufacturing company involved in the defense and space industries as well educational products and control devices for consumer goods.

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Glendale, California

Glendale is a city in Los Angeles County, California, United States.

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IBM 650

The IBM 650 Magnetic Drum Data-Processing Machine is one of IBM's early computers, and the world’s first mass-produced computer.

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Inch

The inch (abbreviation: in or &Prime) is a unit of length in the (British) imperial and United States customary systems of measurement now formally equal to yard but usually understood as of a foot.

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Instruction set architecture

An instruction set architecture (ISA) is an abstract model of a computer.

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Interleaving (disk storage)

In disk storage and drum memory, interleaving is a technique used to improve access performance to storage by putting data accessed sequentially into non-sequential sectors.

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John Wiley & Sons

John Wiley & Sons, Inc., also referred to as Wiley, is a global publishing company that specializes in academic publishing.

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Librascope

Librascope was a Glendale, California, division of General Precision, Inc..

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List of programming languages

The aim of this list of programming languages is to include all notable programming languages in existence, both those in current use and historical ones, in alphabetical order, except for dialects of BASIC, esoteric programming languages, and markup languages.

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List of vacuum tube computers

Vacuum tube computers, now termed first generation computers, are programmable digital computers using vacuum tube logic circuitry.

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Logical address

In computing, a logical address is the address at which an item (memory cell, storage element, network host) appears to reside from the perspective of an executing application program(address generated by CPU).

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Machine code

Machine code is a computer program written in machine language instructions that can be executed directly by a computer's central processing unit (CPU).

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Manhattan Project

The Manhattan Project was a research and development undertaking during World War II that produced the first nuclear weapons.

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Millisecond

A millisecond (from milli- and second; symbol: ms) is a thousandth (0.001 or 10−3 or 1/1000) of a second.

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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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Operand

In mathematics an operand is the object of a mathematical operation, i.e. it is the quantity that is operated on.

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Oscilloscope

An oscilloscope, previously called an oscillograph, and informally known as a scope or o-scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time.

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Printer (computing)

In computing, a printer is a peripheral device which makes a persistent human-readable representation of graphics or text on paper.

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Processor register

In computer architecture, a processor register is a quickly accessible location available to a computer's central processing unit (CPU).

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Punched tape

Punched tape or perforated paper tape is a form of data storage, consisting of a long strip of paper in which holes are punched to store data.

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Royal McBee

Royal McBee was the computer manufacturing and retail division of Royal Typewriter which sold and serviced early computers RPC-4000 and RPC-9000.

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Royal Typewriter Company

The Royal Typewriter Company was a manufacturer of typewriters headquartered in New York City with its factory in Hartford, Connecticut.

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Stan Frankel

Stanley Phillips "Stan" Frankel (1919 – May, 1978) was an American computer scientist.

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The Story of Mel

The Story of Mel is an archetypical piece of computer programming folklore.

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Typewriter

A typewriter is a mechanical or electromechanical machine for writing characters similar to those produced by printer's movable type.

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Vacuum tube

In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions) is a device that controls electric current between electrodes in an evacuated container.

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Volt

The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.

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Voltage regulation

In electrical engineering, particularly power engineering, voltage regulation is a measure of change in the voltage magnitude between the sending and receiving end of a component, such as a transmission or distribution line.

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Watt

The watt (symbol: W) is a unit of power.

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Word (computer architecture)

In computing, a word is the natural unit of data used by a particular processor design.

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YouTube

YouTube is an American video-sharing website headquartered in San Bruno, California.

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Redirects here:

LGP 30, LGP-21, Librascope LGP-30, RPC 4000, RPC-4000.

References

[1] https://en.wikipedia.org/wiki/LGP-30

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