However, normal business applications do not challenge even an average system. When the computer is used all the time, the most important issues may be much less complicated. For the full-time computer user, the most important part of the machine is often the keyboard. This is not an advanced, modern device. The design of today's keyboard is not much different from the electric typewriter of thirty years ago.
Good design is still important.
A moderately fast typist may press 200 keys each minute, all day long. It is not very difficult to make a keyboard that can record the keystroke. It is much more complicated to make a keyboard that feels good and is comfortable to use. What resistance does it provide. The least expensive keyboards feel soft and squishy.