Some do, some don't. Some USB thermometers, for instance, can be used when the temperature is below -50 °F all the way to 180 °F. USB is meant to be a commodity interface, however, and it is likely that most devices that are used with it are not suitable for scientific or industrial purposes.
yes but usb 2.0 devices dont work on usb 1x
usb 2.0 can support 127 devices
Any USB devices as long as the computer has USB Ports. Plugging new USB devices in old computers (older than 3-5 years) might not work as newer devices might use a newer USB version. Generally this rarely happens, I never had an issue of a USB device not working on a computer with USB.
backward compatible
To verify USB devices on your Linux system, you can use the command lsusb, which lists all connected USB devices. Additionally, you can use dmesg | grep -i usb to view kernel messages related to USB devices, which can provide information about the newly connected device. For more detailed information about a specific device, you can also check /dev/bus/usb/ or use usb-devices, which gives a comprehensive overview of USB devices and their attributes.
no they are storage device
All the devices properly installed on your computer will be listed. Some USB devices will be not explicitly listed, but the USB port will be.
Buy a USB extension plug in.
In theory a single hub of USB can support 127 devices. In practice, this will not actually occur. Most computers do not have enough power to drive that many devices. A reasonable number would be about 20.
This is not a backup drive, its a USB hub. Its designed to add more USB ports when you do not have enough for all of your devices.
Yes they do make car stereos with USB. Double check that the USB will read memory cards or flash drives and that the USB is not just for mp3 devices instead of storage devices.
Cardboard