Howdy, pardners. The five most Texas-sized computers in history are described below. Whatever computer y'all are using to read about them is far more powerful than the whole lot of them put together, so don't get jealous.

• Number 5: The Univac
• Number 4: IBM Stretch
• Number 3: MIT Whirlwind
• Number 2: The ENIAC
• Number 1: The SAGE