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Why An HDMI Cable Is So Necessary Today
What Makes An HDMI Cable So Important Today
High Definition Multimedia Interface cables (HDMI cable) is able to use a digital signal to send a progressive scan. What exactly is that anyway?
An analogue signal is when an electrical current is varied as it is sent up a wire. Information can be sent in this way. Analogue signals, unlike digital, really are high resolution. Digital is only as high resolution as processing power allows, but analogue is nothing more than a stream of electrons being conducted along a surface such as silver. It can be zoomed in to very small degrees. This is only practical to a point, however, because the components necessary would have to be finer and finer.
That's why digital is better. It can be very fine, very easily. It's nothing more than a stream of data. The more data, the finer the signal. The faster the processing chip, the more data. It's much easier to create a fast processing chip, just narrow the laser that etches it. Of course, you only make the signal as fine as you need it, which means it will break down very fast if you try to zoom in.
Digital signals are made up of the famous "ones and zeros" that we all hear about so much. But what are they anyway? Well, a "one" tells a circuit on the receiving end to open, and a "zero" tells it to close. These opening and closing circuits cause new ones and zeros to be made, and off they go.
Interlaced scans are frames on the monitor or screen that are divided in half, every other row. Depending on which region of the world you live in, it can be anywhere from twenty-four to thirty frames each second. The first frame is every odd numbered row, and the second frame is only every even numbered row. Never once at any moment, is there a complete frame on the screen. It's so quick, however, the human brain doesn't pick up on it. This is very convenient, because only half the data needs to be sent.
Progressive scans are whole pictures at once, for each frame. The old CRT monitors, which means cathode ray tube, fired streams of electrons toward the back of the screen. It would be fired in the same pattern as the interlaced rows of lines, many times each second. HD screens can only receive information in one row at a time, for every frame.
An HDMI cable can send all this data, which can be created quickly without the need of finer components.
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how about this,is this good enough for gaming?thanks?
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You're combining a high end system with a weak video card. I'd up the GPU. At least 6870 Radeon or Nvidia 560 GTX
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