to be populated the u201c name u201d must populate a data field on the first line of the screen while the u201c address u201d populates the second line of the screen as illustrated in block 200 of fig3 a the data which is encoded in a two dimensional bar code or the like may include a string of as qualifier character u201c u201d followed by one or more first instructor characters u201c u02dc u201d u201c u201d and u201c u201d an associated first data string for a first data field identified by one of the first instructor characters u201c u201d one or more second instructor characters a second data string for a second data field identified by one of the second instructor characters u201c u201d although not illustrated the encoded data may include additional instructor characters and associated data strings as illustrated in block 202 the isp may be programmed to recognize the qualifier character u201c u201d so as to accept or reject the data that follows as well as the instructor characters u201c u02dc u201d u201c u201d u201c u201d and u201c u201d as specifically shown in this example isp interprets the u201c u02dc u201d character as a command to move the computer 39 s cursor to the u201c home u201d location i e the top left corner of the display screen and interprets the u201c u201d character as a command to move the cursor down one line on the screen the isp further recognizes the u201c u201d character and uses a predefined association therein to determine that the data string following the u201c u201d character is a u201c name u201d.