Most storage devices that do not require vision and a brain to read data fall into this category. Electromagnetic data may be stored in either an analog data or digital data format on a variety of media.
Direct Tripwire Alarm - The wire placed across the path is directly connected with the cord, wire or string placed across the particular path. Laser Tripwire Alarm - An invisible laser, typically an infra-red, is used instead of a cord or string.
A jump wire (also known as jumper, jumper wire, jumper cable, DuPont wire, or DuPont cable â named for one manufacturer of them) is an electrical wire or group of them in a cable with a connector or pin at each end (or sometimes without them â simply tinned), which is normally used to interconnect the components of a breadboard or other prototype ...