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Televisions are one of the most common household appliances. They are often the focal point of any family room and serve many different purposes. From video games to screening movies at home, television sets fill many different roles. But picking the right size and kind of unit may seem overwhelming. Knowing a little more about the strengths and weaknesses of each and how to pick the right size can be the key to getting the set that you want.

The first models used cathode ray tubes to create the picture on the screen. They were originally only able to show black and white images but this changed to color images relatively quickly. They were quite large and heavy because of the size of the tubes inside. Often, a television would blow the internal tube which would need to be replaced or the television would be useless. Televisions grew smaller and lighter in time and also started being able to be controlled remotely.

After a time, liquid crystal display (LCD) technology became more common and affordable. The flat display screen and lighter weight of these units made them quite popular. Also, the size of an LCD screen was not as limited as it was with the earliest cathode ray tubes. They featured wide viewing angles which made it easier to view an image from the side. This was great for large groups of people who wanted to watch a show but who could not all crowd directly in front of the screen.

Plasma technology is another type of screen. They use two panes of glass with gas sandwiched in between. Turning on the set energizes the gas and it turns into plasma which can then emit visible light. They tend to have screens which show glare quite easily because of the positioning of the glass. This makes some people unwilling to use one in their home. They also are very thin and can be as little as four inches thick. If you want a set that is very thin, you may want to go with a plasma display.

There is an ongoing battle of sorts between LCD displays and plasma screen sets. Each have their advantages and disadvantages. Plasma sets are made up of a layer of gas that has been sealed between two panes of glass. This is subjected to electrical current which emits light and shows the image that the programming signal dictates. They are as thin as four inches which means that large speakers are not possible. However, it is possible to wall mount these sets and this is very appealing to many people.

The speed at which an image can change is also important. High performance gamers may want to ensure that the set can handle quick image changes that are common with many video games. Sound quality is also important here as is the ability to not have the image degrade around the outer edges. You will find that there are televisions designed for gaming and these are worth taking a look at.

You may be tempted to purchase the largest set you can afford. If, however, you are placing the set in a smaller room, you may find that this is not a good idea. You need a certain amount of distance to see a screen properly and this distance increases along with screen size. If you keep these guidelines in mind when you shop you can often get a great set at very affordable prices.

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