Abstract: A videotex terminal which includes a buffer memory for receiving videotex picture data, a data memory for storing units of picture data output from the buffer memory, a table memory for storing a starting address and the data size of each unit of picture data stored in the data memory in connection with a corresponding unit number of each unit, a display for displaying a picture corresponding to the picture data, and a keyboard operated memory control circuit for locating both a memory area in the data memory where new picture data can be stored and a unit number which is unused in the table memory, writing the new picture data in the located memory area of the data memory using the located unit number and changing the contents of the table memory to correspond to the contents of the data memory to indicate the newly written picture data.