Electric typewriters developed, up to the 1980s, as "power-assisted typewriters".
A hardware architecture is primarily concerned with the internal electrical (and, more rarely, the mechanical) interfaces among the system's components or subsystems, and the interface between the system and its external environment, especially the devices operated by or the electronic displays viewed by a user.
EFACEC, a leading Portuguese company in the electromechanics industry, is headquartered in the city.