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Ch1 Glossary

Cathode-ray tube (CRT) A glass enclosure with a relatively flat face (screen) and a vacuum inside that will display the light generated from the bombardment of the screen by electrons.
CGS system The system of units employing the Centimeter, Gram, and Second as its fundamental units of measure.
Difference engine One of the first mechanical calculators.
Edison effect Establishing a flow of charge between two elements in an evacuated tube.
Electromagnetism The relationship between magnetic and electrical effects.
Engineering notation A method of notation that specifies that all powers of ten used to define a number be multiples of 3 with a mantissa greater than or equal to 1 but less than 1000.
ENIAC The first totally electronic computer.
Fixed-point notation Notation using a decimal point in a particular location to define the magnitude of a number.
Fleming's valve The first of the electronic devices, the diode.
Floating-point notation Notation that allows the magnitude of a number to define where the decimal point should be placed.
Integrated circuit (IC) A subminiature structure containing a vast number of electronic devices designed to perform a particular set of functions.
Joule (J) A unit of measurement for energy in the SI or MKS system. Equal to 0.7378 foot-pound in the English system and 107 ergs in the CGS system.
Kelvin (K) A unit of measurement for temperature in the SI system. Equal to 273.15 + °C in the MKS and CGS systems.
Kilogram (kg) A unit of measure for mass in the SI and MKS systems. Equal to 1000 grams in the CGS system.
Language A communication link between user and computer to define the operations to be performed and the results to be displayed or printed.
Leyden jar One of the first charge-storage devices.
Menu A computer-generated list of choices for the user to determine the next operation to be performed.
Meter (m) A unit of measure for length in the SI and MKS systems. Equal to 1.094 yards in the English system and 100 centimeters in the CGS system.
MKS system The system of units employing the Meter, Kilogram, and Second as its fundamental units of measure.
Nanotechnology The production of integrated circuits in which the nanometer is the typical unit of measurement.
Newton (N) A unit of measurement for force in the SI and MKS systems. Equal to 100,000 dynes in the CGS system.
Pound (lb) A unit of measurement for force in the English system. Equal to 4.45 newtons in the SI or MKS system.
Program A sequential list of commands, instructions, and so on, to perform a specified task using a computer.
Scientific notation A method for desribing very large and very small numbers through the use of powers of ten, which requires that the multiplier be a number between 1 and 10.
Second (s) A unit of measurement for time in the SI, MKS, English, and CGS systems.
SI system The system of units adopted by the IEEE in 1965 and the USASI in 1967 as the International System of Units (Systeme International d'Unites).
Slug A unit of measure for mass in the English system. Equal to 14.6 kilograms in the SI or MKS system.
Software package A computer program designed to perform specific analysis andtdesign operations or generate results in a particular format.
Static electricity Stationary charge in a state of equilibrium.
Transistor The first semiconductor amplifier.
Voltaic cell A storage device that converts chemical to electrical energy.
Created by: rbartholomy
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