Like other computers, a smartwatch may collect information from internal or external sensors and it may control, or retrieve data from, other instruments or computers.
A smartwatch may collect information from internal or external sensors. This is like other computers. It may control, other instruments. This is like other computers. It may control, computers. This is like other computers. It may retrieve data from, other instruments. This is like other computers. It may retrieve data from, computers. This is like other computers.