Inside the early days of computing, back again in the 1940s, RAM was predated by CRTs (or cathode-ray tubes). The Williams tube was the primary illustration of this. It was able to storing anywhere amongst 512 and 1024 bits — a mere portion of what we’re accustomed to these days. https://supertop-shop.com/micro-sd-card-16gb-32gb-64gb-128gb-256gb/