Logic-Structure Tables Logic tables are an excellent way of developing and expressing the logic required in procedures, operations, systems and circuits. A set of rules for writing and using logic tables is explained by means of some simple examples. Then the logic structure of a vending machine is given in which two logic tables are used. Logic tables are two-dimensional in nature, enabling us to fully express and consider both the sequential and parallel aspects of logic. They can be compiled directly into a computer program and so eliminate the need for flow charting and hand coding. CACM June, 1961 Cantrell, H. N. King, J. King, F. E. H. CA610605 JB March 16, 1978 10:40 PM 1237 5 320 250 5 320 320 5 320 320 5 320 320 5 320 250 6 320 320 6 320 320 6 320 753 6 320