Siemens 6ES7241-1AA22-0XA0 EM 241 Analogue Modem

LED - Light Emitting Diode - a small light source

Analogue - A continuous signal in time with fluctuations in a measurable parametre to provide a signal

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Performance - When someone is presenting a form of entertainment, also how well someone is doing within a role.

Ideal - Something that satisfies a perfect criteria.

Family - A group of people that live together made up from parents and children.

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