All submarines are limited solely by the amount of food onboard. Toward the end of a deployment, the meals get interesting (chili mac with a side of canned beets, for example). The longest that I've been submerged was about four months, followed by two quick port visits, followed by two months at sea.
A smart TV, sometimes referred to as connected TV or hybrid TV, is a television set or set-top box with integrated Internet and interactive Web 2.0 features. Smart TV is a technological convergence between computers and flatscreen television sets and set-top boxes.
Now that you know what a Smart TV is, let's find out what it can actually do. Smart TVs either have an Ethernet port or Wi-Fi capability so you can stay connected to the Internet.