Which type of switch is NOT mentioned in the content?

The correct answer focuses on the fact that a dip switch is not included among the types of switches referenced in the content provided. Dip switches are small switches used for making binary decisions or settings on electronic devices, specifically in configurations where multiple settings need to be managed in a compact space.

Understanding this, if the content discusses types of switches commonly used in various applications, such as push buttons, rotary switches, and toggle switches, but omits dip switches, it clearly indicates that the latter is not a focus within that material. Therefore, identifying dip switches as the option that is not mentioned aligns with recognizing the broader context and function of switches within the discussed subject area.