This monograph embodies the proceedings of a symposium held Feb 27-28, 1962, in Philadelphia. It consists of 25 papers which dealt with computers per se, or computers as they are being applied to cardiovascular research. The basic function of the symposium was to acquaint the physician with the nature of analog and digital computers. Elementary papers present the "anatomy" and "physiology" of computers, the reasons for resorting to use of a computer, and methods of communication with a computer.
Communication with a computer consists of translating the desired program or series of operative commands to a "language" which the computer is prepared to accept. There can be no omissions, no assumptions, and no errors in sequence or hierarchy of operations in the program, if a correct output, or indeed any output, is expected. Computers are ideally suited to store and retrieve large quantities of data at high speed. Examples of