In a third-class lever, the input force is applied between the fulcrum and the load, and both move in the same direction. The amount of applied force is always greater than the output force of the load, but the load is moved a greater distance than that over which the input force is applied.
Broadcasts are generally used for several reasons: Address Resolution Protocol (ARP) uses broadcasts to map physical addresses to logical addresses. To build the table of hosts, a device needs to send a broadcast to every other device on the network to essentially find out who is where.
Q: What is Cell Broadcast? A:A GSM network consists of thousands of cells (antennas); and facilitates the wireless connection of a (mobile) handset to the network. Cell Broadcast enables to send out a short message to all handsets in a particular cell, group of cells, or the entire network. Every handset that has CB channels enabled and is within the coverage area of cells that are broadcasting a CB message will receive this message.