What major benefit do dual monitors provide?

Dual monitors primarily enhance efficiency by allowing users to view more information simultaneously without frequently switching between windows or applications. This setup enables multitasking, as users can have different programs open side by side, fostering quicker access to data and enhancing workflow. For instance, one screen can display email while the other could be used for documents or spreadsheets, allowing for a smoother and more productive work experience.

In contrast, while dual monitors might contribute to reducing eye strain in some cases by allowing screens to be positioned at more comfortable angles, this is not their primary benefit. Similarly, enhancements in video quality would depend on the specifications of each monitor rather than the quantity of monitors themselves. Lastly, dual monitors typically use more power than a single monitor setup, so reducing power consumption is not a significant advantage of having multiple screens. Thus, the increased efficiency is the key benefit that dual monitors provide.