PURPOSE: To simplify the input of schedule data consisting of respective data of a date, time, and an important matter in a data processor provided with a scheduling function.

CONSTITUTION: A code input part 19 for inputting specified code data (G code) for television picture recording reservation and a code analyzing part 20 for analyzing this specified code data are provided. When the specified code data is inputted by the code input part 19, a CPU 11 obtains an analyzed result from the code analyzing part 20, and stores each data to show the date and the time of the specified code data in the schedule storage area 13a of a RAM 13 as each data of the date and the time of the schedule data. Besides, the CPU 11 registers the data to show the channel of the specified code data as it is as the important matter data of the schedule data, or stores the newly inputted important matter data in the schedule storage area 13a.