If you have a Comcast Internet connection, you can set up your computer to be available for remote access sessions using a native Windows utility. Once set up, this allows you to connect to remote computers using your Internet connection.
A stroma is the connective, part of a cell, organ or tissue. The  function of a stroma is to hold the cell, organ, or tissue together  and help it maintain form. Edit.
Stroma is basically the cytoplasm where the light independent reactions of photosynthesis occur- namely the Calvin cycle in which Carbon dioxide is joined with Ribulose bisphosphate by an enzyme called Ribulose bisphosphate carboxylase (rubisco for short) to make Glycerol 3 phosphate where carbon dioxide is fixed.