Information Technology - Computer and telecommunication hardware and software that store, transmit, receive and manipulate information, Wave Pulse - A pulse of energy that travels through an electric circuit when it is closed, Electronic signal - Information that is sent as a pattern in a controlled flow of current through a circuit, Electromagnetic signal - Information that is sent as a pattern of electromagnetic waves, such as visible light, microwaves, and radio waves, Digital Signal - A signal that allows for a record of numerical values of an action at a set of continuous time intervals, Analog Signal - A signal that allows for a continuous record of some kind of action, Pixel - A small uniform shape, that is combined with other pixels to make a larger image, Software - Programs that encode, decode and interpret information, Hardware - Any physical part of a computer, Noise - Random signals from the environment that can alter the output of a signal, Bandwidth - The amount of information that can be transmitted in bits per second,

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