Assuming you know that LaserDiscs are not only a different format, but a different size than DVDs, The answer is Some.
Their are Combination players that can play several formats. The DVL Series of LaserDisc players, manufactured by Pioneer can play LaserDiscs, DVDs, CDs and CD videos.
I suggest getting a DVL-919 player. You can still purchase this model brand new on pioneer's web site: http://www.pioneerelectronics.com/PUSA/Products/HomeEntertainment/Blu-rayDisc+DVD/DVD+LDPlayers/DVL-919
Cd's are played in a CD player and dvds are played in a DVD player.
Yes
DVDs can be played on a Blu-Ray player
Regular Show - 2010 The Last Laserdisc Player 4-30 was released on: USA: 24 June 2013
Laserdisc was created in 1978.
dvds are used for storing various kinds of information and media. dvds are often used for storing movies which can be played on a DVD player.
Yes. Double-sided DVDs are just like any other DVD
LaserDisc
Yes, blue-ray players can play regular DVDs. However, regular DVD players cannot play Blue-ray DVDs.
The manual for this LaserDisc player is available in PDF on their website: pioneerelectronics.com
HD DVDS are DVDs that can be played on high definition TV players. The regular DVD can be played on any TV and is not in the same definition as the HD DVDs.
Yes. All players are "backward compatible", so a 3D Blu-Ray player can play regular Blu-Ray, regular DVDs and even CDs.