Computers, machines of steel
With the power to better express how we feel
Knowledge and errors at their command
Created by many intelligent hands
Programming languages the experts know
Often make them grow and glow:
Simple fixes, complex tasks
attempts at many requests we ask.
But how do these computers help us learn?
And when we use them, what do we earn?
Metals Used In Electronics & Technology (Now & In The Future) - Better Meets Reality
Steel is mainly for the outer casing, I guess, but it fits the rhyme scheme. :)