That is just not true. Sin and cos terms are used for many other purposes : for example the components of a force along orthogonal axes.
Probably, one needs more context to answer this question. But in many textbooks the terms "driving signal" and "input signal' are used to describe the same thing.
In terms of the history of the signal, it was the analog signal that came first. That doesn't mean that it can't still be used in conjunction with an analog signal in today's use.
a. a shorthand way of representing the chemical elements.
Yes, stockholder and shareholder are terms that are often used interchangeably to refer to individuals or entities that own shares or stocks in a company, representing ownership in the company.
An electronic tare system used in an electrical balance of the type which generates an electrical signal representing a mass being weighed for application to a digital read out or other display.
They used numbers, and they had a system for representing consonants, but that can only loosely be described as an alphabet.
An upside down flag is generally recognized as a signal of distress, and should be used only during an emergency.
Representing oneself pro se means representing oneself in a legal proceeding without a lawyer, while representing oneself pro per means representing oneself as a party in a legal proceeding without a lawyer. The key difference is in the terminology used in different jurisdictions, with pro se being more commonly used. Both terms refer to the same concept of self-representation in a legal matter.
SNR can be an abbreviation for a host of terms. It is most popularly used as an acronym for Signal-to-Noise Ratio. It can also be used as an acronym for School of Natural Resources.
There are no terms used only by gay people and not straight people. But if you're talking about gay slang, Here is a list of Gay Slang Terms.
An upside down flag is generally recognized as a signal of distress, and should be used only during an emergency.
The length of indoor wiring is usually to short for signal interference