Shot of typical punch card. Narrator discusses the various parts of the data contained on the card. Shot of the 1401 tape system and punch card. Narrator states with the 1401 tape system much of the information on the punch card was no longer required. Shot of drawers which is the former card system consisting of 46 drawers of advanced cards, 23 drawers of accounts receivable cards, and 32 drawers of accounts receivable cards. The 1401 computer replaced the entire card system with less then one rack of magnetic tape. Shot of rack of magnetic tape. Shot of various cards on the old card billing system. Shot of micro electric circuits. Narrator discusses the advent of the world of solid logic technology. Clip ends with shot of vacuum tubes and computer circuits