A.5 E
EBCDIC (Extended Binary-Coded Decimal Information Code) - a code for representing keyboard and control characters.
eddy currents - small currents that circulate in metals as currents flow in nearby conductors. Generally unwanted.
EDIF (Electronic Design Interchange Format) - a standard to allow the interchange of graphics and data between computers so that it may be changed, and modifications tracked.
effective sound pressure - the RMS pressure value gives the effective sound value for fluctuating pressure values. This value is some fraction of the peak pressure value.
EIA (Electronic Industries Association) - A common industry standards group focusing on electrical standards.
electro-optic isolator - uses optical emitter, and photo sensitive switches for electrical isolation.
electromagnetic - a broad range term referring to magnetic waves. This goes from low frequency signals such as AM radio, up to very high frequency waves such as light and X-rays.
electrostatic - devices that used trapped charge to apply forces and caused distribution. An example is droplets of paint that have been electrically charged can be caused to disperse evenly over a surface that is oppositely charged.
electrostatics discharge - a sudden release of static electric charge (in nongrounded systems). This can lead to uncomfortable electrical shocks, or destruction of circuitry.
email (electronic mail) - refers to messages passed between computers on networks, that are sent from one user to another. Almost any modern computer will support some for of email.
emulsify - to mix two materials that would not normally mix. for example an emulsifier can cause oil and water to mix.
energy - the result of work. This concept underlies all of engineering. Energy is shaped, directed and focused to perform tasks.
engineering work stations - are self contained computer graphics systems with a local CPU which can be networked to larger computers if necessary. The engineering work station is capable of performing engineering synthesis, analysis, and optimization operations locally. Work stations typically have more than 1 MByte of RAM, and a high resolution screen greater than 512 by 512 pixels.
EPROM (Erasable Programmable Read Only Memory) - a memory type that can be programmed with voltages, and erased with ultraviolet light.
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