The PC will either have a full size or mini HDMI style of video output connector or maybe a DVI connector that can also be used with HDMI displays with a simple adapter cable.
HDMI splitter is compatible with Digital Audio. HDMI cables and splitters are carrying audio and video signals without any data loss or downgrading quality.
DVI
Yes
There are multiple converters and cables that are compatible with both HDMI and VGA, which is some sort of an adapter to an adapter. I do not know how well these products work together.
It has to come with your video card.. normally the older models won't have Hdmi ports
HDMI capable laptops are sold directly from most major manufacturers such as Apple, Acer, Asus, Dell, Lenovo, and HP. In addition electronics stores and online stores such as Amazon offer HDMI capable laptops.
Yes, you can turn an older TV that is not HDMI compatible into one using an HDMI to composite or HDMI to coaxial converter. These devices allow you to connect HDMI sources to your older TV by converting the digital HDMI signal into an analog format that the TV can understand. However, keep in mind that the picture quality may not match that of a native HDMI connection, and you may need to adjust settings for optimal output.
with the compatible cables like HDMI...
No. Consumer VCRs are not compatible.
Yes they are. Bluray players have an HDMI output for their high definition signal output as well as analog connections for compatibility with displays that are not HDMI compatible.
You have to get an HDMI cable with an HDMI compatible TV. Then split - screen should work.
Not explicitly. The dreamcast did support VGA output through an optional adapter, and by interfacing that adapter with an additional VGA to HDMI adapter, HDMI-compatible output can be achieved.