The Abstraction Ladder
This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.
State
A computer solves problems down a ladder of abstractions: problem, algorithm, program, assembly, machine code — each layer a building block for the one above.
Show
A car reads the same way — controls, then engine parts, then raw materials, each level hiding the next.
Watch for
Every rung exists in every running system.