The Four Pillars of Computing:Lessons from Seymour Cray

A timeless framework that reveals how all modern technology — from smartphones to AI — is powered by four foundational elements: Input, Output, Memory, and CPU.

These principles, taught to me at age 18 by an instructor trained under Seymour Cray (godfather of supercomputing), shaped my 40+ year career in tech — from NASA and Spacelabs to microelectronics and speech systems.

If you're looking to build unshakable confidence and clarity with any computer system or career in tech, this is your starting point.

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