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.

Abstract: A process for manufacturing a dielectric member from aluminum or aluminum alloy which includes the steps of subjecting the aluminum or aluminum alloy to anodic oxidation in a nonaqueous electrolytic solution containing an organic solvent and dehydrated boric acid to form an oxide layer thereon, and buffing the oxide layer with a composition containing insulative abrasive grains and insulative binding material.