A few years ago the radio in my ASW20 had problems. I took it out and took it apart.

It had the ability to store four frequencies in it (which you could set). To do this it had a couple of large chips which turned out to be memory. Each chip's capacity was 32 bits. Not Megabits. Not Kilobits. Bits.

State of the art at the time, I suspect.

When I was a lad....