Your chart is stored on windows computers. The drug dispensing systems run on windows computers. Imaging (xray, ultrasound, CT, MRI) runs on windows machines. If a hospital used crowd strike, all of those go down. Source: i work at a major trauma center that was affected and took several hours to respond. OR, ER and ICU were completely frozen for several hours before they could pivot to paper charting. There aren’t paper backups of every chart so orders that weren’t already under way were also almost always delayed pending a verbal order from the physician.
They’re drum sequencers, it’s a really old way of making scrolling light shows for things like signs and stage displays. They used to use (usually less fire hazard-y) versions of this q long time ago in Vegas for the giant hotel signs and things.