Harddrives? Floppies?? Pure LUXURY, you young whippersnapper!
Try 16kb RAM (including the expansion module), loading programs from a cassette recorder (you had to adjust the volume constantly until the computer would "read" it), no floppies, mono screens.
That was a early TRS-80 Model 1, and I lived with it for a year! FUN!
Ah you kids, we used to scratch our info on dinosaurs backs as monkeys. Reading it back cost arms and legs.