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.
Media players are streaming devices specifically designed to turn your TV into a smart TV. They come in many different configurations and offer a wide range of features, but all media players offer at least some of the popular online media services like Netflix, YouTube and iTunes.