Examlex
A source emits sound at a fixed constant frequency f . If the source moves away from you, the frequency you hear is
Plug-In Compartments
Designed sections within an electronic device that allow for easy insertion and removal of components or modules.
Normally Open Contact
A Normally Open Contact is a type of switch or relay contact that is open (disconnected) when in its default state, closing (connecting) only when activated.
Logic 0
A binary state that represents a false condition or off state in digital electronics.
Software
Programs that control the processing of data in a system, as contrasted to the physical equipment itself (hardware).
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