If you're getting an HDTV, yes, but the brand of the player as well as the capabilities depends on your preferences and/or needs
Yes, Blu-Ray players play DVDs
A Blu ray player will play a standard DVD (as long as the region code is compatible). You should check your Blu ray player for upscaling capability (with upscaling, the Blu ray player will deliver the highest possible quality even from standard DVD's - otherwise you will only get full performance from Blu ray discs).
can not. DVD could be played on blu-ray player.
It even have no DVD player software. But you should not worry about it. As there is a lot of Blu-ray/DVD player software in the market now. For example, Aurora Blu-ray player, Easy DVD Player, etc. They all compatible with Windows 8.1 platform.
Yes, you can play normal DVD's on a Blu-Ray player, but it up-scale's them.
No, you can't play blu-ray discs on a DVD player. You can however play DVDs with a blu-ray player.
No. Blu-Rays will only work on Blu-Ray players
No. However, you can sometimes read a DVD in your blu-ray player.
A Blu-Ray player is capable of playing normal DVD's - even upconverting to make a better picture. However, a standard DVD player cannot play Blu-Ray DVD's.
Nope, unfortunately you cannot. You CAN however play DVD's in a blu-ray player.
No. Blu-Rays will only work on Blu-Ray players
No. Blu-Ray discs will NOT work on DVD players