Random Access Pastries

You can cut a round cake in any order you want. Random access.

A pound cake is only cut in sequence. Sequential access.

Cakes and circuit boards. I just thought it was a funny metaphor.

Illustration included in "The Code Monster Manual Vol. 0" by Kevin Focke

If the book interests you, you can buy it in here in ebook format: https://kevinfocke.com/projects/wildly-creative-books/the-code-monster-manual-vol-0/