1. is a laptop with 1440x900 resolution and a intel HD onboard graphics card a HD laptop?
2. Are 1280x720 and 1920x1080 the only HD resolutions?
3. IF the true HD only has 16:9 aspect ratio does it classify 1600:900 as a HD resolution as well?
The reason I'm asking is because some people claimed that anything higher than 720p are considered HD but also some people think only 720p, 1080i and 1080p are the true HDs. Can any of the displays experts shed lights on these questions. Thank you.