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Details Title: Electronics Description: Electronic Devices Total Flash Cards: 31 Created: 03/06/2004 09:42:06	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term Electric Signal Definition A varying electric current that represents information. Term Analog Signals Definition An electric current that is varied smoothly to represent information. Term Electronics Definition the use of electricity to control, communicate, and process information. Term Electronics Definition the use of electricity to control, communicate, and process information. Term Digital Signals Definition Pulses of current used to represent information. Term Semiconductor Definition A material that conducts electricity under certain conditions. Term Solid-state Component Definition the part of a circuit in which a signal in controlled by a solid material. Term Transistor Definition A solid-state component used to amplify an electric signal or to switch current on and off. Term Integrated Circuit Definition A circuit that has been manufactured on a chip (a tiny slice of semiconductor), which can contain thousands of diodes, transistors, and resistors. Term Cathode-ray tube picture Definition Term Cathode-ray tube Definition A sealed glass vacuum tube that uses electrons to produce images on a screen. Term Vacuum Tube Definition A glass tube from which almost all gasses have been removed, and which contains electrodes that control the flow of electrons. Term Random Access Memory (RAM) Definition Term Analog Signal Definition Term Digital Signal Definition Term Semiconductor- What does it look like? Definition Term Diode - what does it look like? Definition Term What does a transistor look like? Definition Term What does an electromagnetic wave look like? Definition Term Examples of electromagnetic waves include Definition microwaves, X-rays, and visible light. Term Amplitude modulation and Frequency modulation Definition Term Internet Definition Term Frequency Definition The number of waves passing a given point each second. Term Amplitude Modulation (AM)- Definition Changes the amplitude of the carrier wave to match the amplitude of a signal. Term Integrated Circuit Definition Term Optical disk Definition An optical disk is a storage medium from which data is read and to which it can be written by lasers. Term binary system Definition Term diskette Definition Term Read Only memory (ROM) Definition Permanent storage area for data in the computer; the CPU can read these data but not change them. Term Shareware Definition Software that the author allows others to try out and use for a very small fee. Term Chat Rooms Definition A network feature that allows 2 or more users to exchange messages.