Acommunications technology operator, such as a 9-1-1 dispatcher, needs to be able to use and understand what device? a. gpsb. cellular phonec. video projectord. online music app

answer: it is a cellular phone

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1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

                                          hope it