In the product development stage, the first versions of products that are used while developing a new product and in further consumer testing are called: prototypes.
A product life cycle can be defined as the stages (phases) that a particular product goes through, typically from the period it was introduced into the market to the period when it is eventually removed from the market.
Generally, there are four (4) main stages in the product-life cycle;
A prototype can be defined as the the first versions of products that are manufacture and used while developing a new product and in further consumer testing.
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