How the Computer gets the answer…

How the Computer gets the answer – LIFE, 1967…

Step by step, an easy exercise reveals the workings of man’s most complex machine Two plus One—not exactly a problem to set the mind racing or to blow a computer’s fuse. Yet it is enough to send electric pulses flying through the computer’s intricate web of wires. Although we are barely in the third decade of the computer age, computers already touch the life of everyone in the U.S. Each year—each day—our involvement with these machines rises toward unimaginable levels. It is a commonplace that if it weren’t for computers we couldn’t fly to the moon, or even keep an accurate record of the national debt. On the question of how it does what it does, however, the computer has always remained essentially mysterious—unfathomable to all but a small handful of initiates. An officer of one major computer concern guessed recently that not more than 2% of his employes really know how it works.