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Delay line memory

Index Delay line memory

Delay line memory is a form of computer memory, now obsolete, that was used on some of the earliest digital computers. [1]

73 relations: Acoustic impedance, Acoustics, Alan Turing, Amplifier, Analog delay line, Antenna (radio), Bit, Bucket-brigade device, Calculator, Cavity magnetron, Charge-coupled device, Clutter (radar), Computer, Computer memory, CSIRAC, Digital data, Drum memory, Eckert–Mauchly Computer Corporation, EDVAC, Electromagnetic radiation, Electronic delay storage automatic calculator, Electronic filter topology, Ferranti, Flip-flop (electronics), Free-electron laser, Friden, Inc., Gin, Highgate Wood telephone exchange, IBM 2260, Integrated circuit, J. Presper Eckert, John Mauchly, Kilobit, Klystron, LEO (computer), Magnetostriction, Massachusetts Institute of Technology, Memory refresh, Mercury (element), Microsecond, Microstrip, Monroe Epic, Moore School of Electrical Engineering, Nickel, Olivetti, PAL, Piezoelectricity, Programma 101, Programmable calculator, Pulse repetition frequency, ..., Pulse shaping, Radar, Radar display, Random-access memory, Raytheon, Relay, Room, Second, Sequential access, Speed of sound, Stored-program computer, Surface wave, Torsion (mechanics), Transducer, Traveling-wave tube, Undulator, United States Naval Research Laboratory, UNIVAC I, University of Pennsylvania, Vacuum tube, Wave interference, Wire, Word (computer architecture). Expand index (23 more) »

Acoustic impedance

Acoustic impedance and specific acoustic impedance are measures of the opposition that a system presents to the acoustic flow resulting of an acoustic pressure applied to the system.

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Acoustics

Acoustics is the branch of physics that deals with the study of all mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound.

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Alan Turing

Alan Mathison Turing (23 June 1912 – 7 June 1954) was an English computer scientist, mathematician, logician, cryptanalyst, philosopher, and theoretical biologist.

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Amplifier

An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).

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Analog delay line

An analog delay line is a network of electrical components connected in cascade, where each individual element creates a time difference or phase change between its input signal and its output signal.

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Antenna (radio)

In radio, an antenna is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver.

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Bit

The bit (a portmanteau of binary digit) is a basic unit of information used in computing and digital communications.

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Bucket-brigade device

A bucket brigade or bucket-brigade device (BBD) is a discrete-time analogue delay line, developed in 1969 by F. Sangster and K. Teer of the Philips Research Labs.

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Calculator

An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.

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Cavity magnetron

The cavity magnetron is a high-powered vacuum tube that generates microwaves using the interaction of a stream of electrons with a magnetic field while moving past a series of open metal cavities (cavity resonators).

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Charge-coupled device

A charge-coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for example conversion into a digital value.

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Clutter (radar)

Clutter is a term used for unwanted echoes in electronic systems, particularly in reference to radars.

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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 memory

In computing, memory refers to the computer hardware integrated circuits that store information for immediate use in a computer; it is synonymous with the term "primary storage".

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CSIRAC

CSIRAC (Council for Scientific and Industrial Research Automatic Computer), originally known as CSIR Mk 1, was Australia's first digital computer, and the fifth stored program computer in the world.

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Digital data

Digital data, in information theory and information systems, is the discrete, discontinuous representation of information or works.

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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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Eckert–Mauchly Computer Corporation

The Eckert–Mauchly Computer Corporation (EMCC) (March 1946 – 1950) was founded by J. Presper Eckert and John Mauchly.

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EDVAC

EDVAC (Electronic Discrete Variable Automatic Computer) was one of the earliest electronic computers.

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Electromagnetic radiation

In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.

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Electronic delay storage automatic calculator

The electronic delay storage automatic calculator (EDSAC) was an early British computer.

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Electronic filter topology

Electronic filter topology defines electronic filter circuits without taking note of the values of the components used but only the manner in which those components are connected.

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Ferranti

Ferranti or Ferranti International plc was a UK electrical engineering and equipment firm that operated for over a century from 1885 until it went bankrupt in 1993.

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Flip-flop (electronics)

In electronics, a flip-flop or latch is a circuit that has two stable states and can be used to store state information.

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Free-electron laser

A free-electron laser (FEL) is a kind of laser whose lasing medium consists of very-high-speed electrons moving freely through a magnetic structure, hence the term free electron.

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Friden, Inc.

Friden Calculating Machine Company (Friden, Inc.) was an American manufacturer of typewriters and mechanical, later electronic calculators.

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Gin

Gin is liquor which derives its predominant flavour from juniper berries (Juniperus communis).

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Highgate Wood telephone exchange

The Highgate Wood telephone exchange was the first all-electronic telephone exchange in Britain.

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IBM 2260

The text-only monochrome IBM 2260 cathode ray tube (CRT) video display terminal (Display Station) plus keyboard was a 1964 predecessor to the more-powerful IBM 3270 terminal line which eventually was extended to support color text and graphics.

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Integrated circuit

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.

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J. Presper Eckert

John Adam Presper "Pres" Eckert Jr. (April 9, 1919 – June 3, 1995) was an American electrical engineer and computer pioneer.

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John Mauchly

John William Mauchly (August 30, 1907 – January 8, 1980) was an American physicist who, along with J. Presper Eckert, designed ENIAC, the first general purpose electronic digital computer, as well as EDVAC, BINAC and UNIVAC I, the first commercial computer made in the United States.

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Kilobit

The kilobit is a multiple of the unit bit for digital information or computer storage.

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Klystron

A klystron is a specialized linear-beam vacuum tube, invented in 1937 by American electrical engineers Russell and Sigurd Varian,Pond, Norman H. "The Tube Guys".

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LEO (computer)

The LEO I (Lyons Electronic Office I) was the first computer used for commercial business applications.

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Magnetostriction

Magnetostriction (cf. electrostriction) is a property of ferromagnetic materials that causes them to change their shape or dimensions during the process of magnetization.

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Massachusetts Institute of Technology

The Massachusetts Institute of Technology (MIT) is a private research university located in Cambridge, Massachusetts, United States.

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Memory refresh

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.

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Mercury (element)

Mercury is a chemical element with symbol Hg and atomic number 80.

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Microsecond

A microsecond is an SI unit of time equal to one millionth (0.000001 or 10−6 or 1/1,000,000) of a second.

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Microstrip

Microstrip is a type of electrical transmission line which can be fabricated using printed circuit board technology, and is used to convey microwave-frequency signals.

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Monroe Epic

The Monroe EPIC was a programmable calculator that came on the market in the 1960s.

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Moore School of Electrical Engineering

The Moore School of Electrical Engineering at the University of Pennsylvania came into existence as a result of an endowment from Alfred Fitler Moore on June 4, 1923.

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Nickel

Nickel is a chemical element with symbol Ni and atomic number 28.

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Olivetti

Olivetti S.p.A. is an Italian manufacturer of typewriters, computers, tablets, smartphones, printers and other such business products as calculators and fax machines.

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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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Piezoelectricity

Piezoelectricity is the electric charge that accumulates in certain solid materials (such as crystals, certain ceramics, and biological matter such as bone, DNA and various proteins) in response to applied mechanical stress.

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Programma 101

The Olivetti Programma 101, also known as Perottina or P101, is the first commercial programmable "desktop computer" Produced by Italian manufacturer Olivetti, based in Ivrea, Piedmont, and invented by the Italian engineer Pier Giorgio Perotto, the P101 had the main features of large computers of that period.

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Programmable calculator

Programmable calculators are calculators that can automatically carry out a sequence of operations under control of a stored program, much like a computer.

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Pulse repetition frequency

The pulse repetition frequency (PRF) is the number of pulses of a repeating signal in a specific time unit, normally measured in pulses per second.

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Pulse shaping

In electronics and telecommunications, pulse shaping is the process of changing the waveform of transmitted pulses.

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Radar

Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects.

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Radar display

A radar display is an electronic device to present radar data to the operator.

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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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Raytheon

The Raytheon Company is a major U.S. defense contractor and industrial corporation with core manufacturing concentrations in weapons and military and commercial electronics.

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Relay

A relay is an electrically operated switch.

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Room

A room is any distinguishable space within a structure.

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Second

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.

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Sequential access

In computer science, sequential access means that a group of elements (such as data in a memory array or a disk file or on magnetic tape data storage) is accessed in a predetermined, ordered sequence.

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Speed of sound

The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium.

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Stored-program computer

A stored-program computer is a computer that stores program instructions in electronic memory.

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Surface wave

In physics, a surface wave is a mechanical wave that propagates along the interface between differing media.

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Torsion (mechanics)

In the field of solid mechanics, torsion is the twisting of an object due to an applied torque.

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Transducer

A transducer is a device that converts energy from one form to another.

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Traveling-wave tube

A traveling-wave tube (TWT, pronounced "twit") or traveling-wave tube amplifier (TWTA, pronounced "tweeta") is a specialized vacuum tube that is used in electronics to amplify radio frequency (RF) signals in the microwave range.

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Undulator

An undulator is an insertion device from high-energy physics and usually part of a larger installation, a synchrotron storage ring, or it may be a component of a free electron laser.

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United States Naval Research Laboratory

The United States Naval Research Laboratory (NRL) is the corporate research laboratory for the United States Navy and the United States Marine Corps.

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UNIVAC I

The UNIVAC I (UNIVersal Automatic Computer I) was the first commercial computer produced in the United States.

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University of Pennsylvania

The University of Pennsylvania (commonly known as Penn or UPenn) is a private Ivy League research university located in University City section of West Philadelphia.

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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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Wave interference

In physics, interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude.

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Wire

A wire is a single, usually cylindrical, flexible strand or rod of metal.

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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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Redirects here:

Acoustic delay line, Mercury delay line, Mercury delay line memory, Mercury memory, Sonic delay line.

References

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

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