You can find out when most of the Mersch families immigrated to the United States. You can focus your search to immigration records dating from that era. Immigration records can tell you an ancestor's name, ship name, port of departure, port of arrival and destination.
What is a System Requirements Specification (SRS)? A System Requirements Specification (SRS) (also known as a Software Requirements Specification) is a document or set of documentation that describes the features and behavior of a system or software application.
Requirements are the users' description of what the finished product, in their eyes, should do. Specification is the technical description of the solution in general, covering the requirements and much more-e.g. cost, technicalities, problems, etc.equirements document what is needed-they shouldn't specify the how, but the what. Specifications document how to achieve the requirements-they should specify the how. In many places these documents are not separate and are used interchangeably.