"During the of the systems development life cycle (SDLC), an information system is operating, enhancements and modifications to the system have been developed and tested, and hardware and software components have been added or replaced."

Maintenance Phase

Explanation:

Maintenance Phase -

It refers to the phase in the system development life cycle , where alterations are done in the documentation , software and hardware in order to support the operational effectiveness , is referred to as the maintenance phase .

The phase requires , correct problems , increase security etc.

Hence , from the given information of the question ,

The correct answer is maintenance phase .

the answer would be 2

since they are only saying that the couple has 20 daughters and so on but they never said that they went to the movies as well therefore the couple was the only people that went to the movies.

hope this ! : 3

answer; the correct answer is technician b;