We have the old style bulky curtained machines for the actual election. Votes are tabulated on a computer cartridge, no internet connection. Printouts are made of the results for the parish and are carried in an envelope to the courthouse with the computer cartridge. The second printout is mailed to the state (can't remember what office offhand) after the close of the polls, probably from a postal box near the courthouse. The third set of printouts are posted on the door to the precinct for 48 hours.
For early voting, computer screens are used. There are giant wings(?) that shield the screen from passers-by. Not totally sure how the results are handled with early voting since I wasn't involved in that aspect, merely processing the voters.