An engineer sketches detailed drawings of the keypad of a new cell phone. What stage in the product development life cycle is this?'

Respuesta :

Answer:

Concept stage

Explanation:

The concept design stage is the stage of the design process that comes after the feasibility of the product has bee conducted and  options or alternatives have been weighed with a decision and product specification documentation created. The concept stage design is the first design on the product showing the details of the product as contained in the specification documentation.

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