SectionFold mirror???ay bodyGray scaleInfrared (IR)Integrated circuit (IC)LaserLight-emitting diode (LED)Programmable read-onlymemory (PROM)Random-access memory (RAM)Read-only memory (ROM)SynchronousWordTM 11-6625-3081-23II.DEFINITION OF UNUSUAL TERMS (cont)A mirror assembly that can be moved to one or morepositions.A radiating body whose spectral emissivity remains thesame at all wavelengths.It is a constant ratio of lessthan unity to the ratio of a black-body radiator at thesame temperature.In a television system, a scale of brightness valuesranging from maximum to minimum.A form of electromagnetic radiation similar to visiblelight and radio waves.It is generated by thermalagitation and radiated by everything with a temperatureabove absolute zero (-273°C). High temperaturesincrease the thermal agitation.Hence, the hotter theobject, the greater the infrared radiation.A small package with electrical terminals, containing achip of silicon.The surface of the silicon isprocessed to form hundreds or thousands of transistorsand other devices.A device for transforming incoherent light of variousfrequencies of vibration into a very narrow, intensebeam of coherent light.A sort of semiconductor “light bulb” made of a smallpiece of semiconductor material that makes a light whenelectric current is passed through it in a particulardirection.An IC chip whose stored data can be read at random. Thedata is stored data can be read at random. The data isstored permanently and cannot be changed.A memory with a number of storage locations, wherewords may be “written” (stored) or “read” (recovered) inany order at random.A memory unit containing data permanently stored, whichcan be read at random.Two or more things made to happen in a system at thesame time, by means of a common clock signal.A group of bits or string of bits handled as a unitusually stored at a certain address in a random-accessmemory (RAM).Glossary-5/(Glossary-6 blank)
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