I use Asus EeePC subnotebooks for that. They're about US$30-$50 on eBay, and there are models with 64-bit CPUs. I run the CPU and disk test, wipe the disk, and install XUbuntu. A few script mods make the device stay on when the lid is closed, but the screen turns off. It's more convenient than packaging up a Raspberry PI. You get keyboard, screen, disk, power supply, and battery, plus some USB ports, in one compact u…
I disagree, a 10yr old laptop, that was designed to be bargain bin parts, for a now dead niche of netbooks, that has 10yr old parts can't compete with a pi4 for $30 ($50 nicely equipped w/ case and SD card) or a pi nano.
It's not even close.
The LCD, battery and I/O keyboard/mouse/usb are nice but, no hdmi, just VGA...
It makes sense if it's Free but even then, the pi simplifies this so much and then you have no moving parts.