This conference proceedings contains 135 papers, of which 7 appear as abstracts only. 115 papers are indexed separately. Topics covered include: integrated circuit routing; design automation in Japan; computer aided design in architecture; design verification techniques; performance verification of digital systems; printed circuit routing and module placement; automated mechanical design and analysis; test generation problems; graphics for VLSI layout; test generation and fault simuation; PLA design systems; integrated circuit placement; low cost computer-aided design graphic systems; computer aided design data bases; delay calculations for digital systems; graphics for electrical design; shapes - language and processing; layer assignment and multilayers; and, testing and diagnostics in manufacturing.