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2. Pull switch - Wikipedia

   en.wikipedia.org/wiki/Pull_switch

   A pull switch, also known as pull-cord switch, or light pull, or pull chain is a switch that is actuated by means of a chain or string. History.

3. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   An example of a British corded pull switch. A light switch combined with a light socket is sometimes installed in basement or utility areas of homes. The switch is operated by a pull chain or cord. It is also possible to have the cord-operated switch separate from the light socket, which is particularly common in British bathrooms.

4. Railroad switch - Wikipedia

   en.wikipedia.org/wiki/Railroad_switch

   A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.

5. Pull-up resistor - Wikipedia

   en.wikipedia.org/wiki/Pull-up_resistor

   When the switch is open the voltage of the gate input is pulled up to the level of Vin. When the switch is closed, the input voltage at the gate goes to ground. In electronic logic circuits, a pull-up resistor (PU) or pull-down resistor (PD) is a resistor used to ensure a known state for a signal. [1]

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. DIP switch - Wikipedia

   en.wikipedia.org/wiki/DIP_switch

   A DIP switch is a manual electric switch that is ... the circuit board also needs interface circuitry for the DIP switch, consisting of a series of pull-up or ...