Tape printing device and method

摘要

A data processing device and method permit improved display of data and characters on a display. When an enlargement display key is input after designating characters, a line or block, on the enlargement display flag signal is indicated. The device and method permit the displayed data to be have its size increased on a display screen so as to be equal to the size to be printed. However, if the size to be printed is too small to be clearly viewed, the data on the display screen can be enlarged and an appropriate signal is displayed on the display.