first generation
noun /ˌfɜːst dʒenəˈreɪʃn/
  /ˌfɜːrst dʒenəˈreɪʃn/
[singular]- people who have left their country to go and live in a new country; the children of these people
- the first type of a machine or piece of software to be developed- the first generation of personal computers