A laser pointer is a small pen-like handheld device that uses a power source (usually batteries) and diode laser to produce a coherent beam of monochromatic light. Laser pointers are used mainly for highlighting a point of interest by using a strongly colored beam of light. Typical low-end laser pointers that come with key chains are nothing more...
A connectionless protocol is a form of data transmission in which an IT signal goes out automatically without determing whether the receiver is ready, or even whether a receiver exists. Connectionless protocol is an alternative to some conventional connection-based forms of data transmission, which often involve setting up dedicated handshaking or device connectivity checks.
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