And to answer Don's question, you simply plug in video adapters.
New model, requires yet another video adapter to plug in an LCD or external monitor.
For one thing, with Thunderbolt you could have an external video adapter.
Actually, it refers not to the monitor, but to a gadget called the video adapter.
It will not work with larger monitors without an optional video adapter.
When this situation is encountered, the common remedy is to install an additional video adapter and connect the additional display to the new device.
Cost can be one problem for multi-monitor, as there is the cost of the second display and sometimes an additional video adapter as well.
A genuine text mode display, controlled by a video adapter or the central processor itself.
The other half is to match the monitor to the proper video adapter.
It is the video adapter, sometimes called the graphics card, that determines how much information can be shown on a monitor.