3270s had local buffer storage, some processing capabilities, and generally dealt with an entire screen of data at a time. They handled editing tasks locally, and then transmitted a set of fields (or the entire page) at once when the ENTER key or a program function key (PFK) was pressed.
3270s had local buffer storage some processing capabilities, and generally dealt with an entire screen of data at a time They handled editing tasks locally, and then transmitted a set of fields (or the entire page) at once when the ENTER key or a program function key (PFK) was pressed.