Yes in fact they can if you are using their i tunes account but if you have your own i don't think so. Hope i helped!
You can log into the app store through your iPad and download them straight to your iPad from the app store. Otherwise you would use the free iTunes software (See links below) to sync the apps (and other media) to the iPad.
It's probably the application. The application must have a bug or smthn. Delete the app and re -install it the. See what happens..
apps from an itouch, iphone, or ipad can very. check the app store to see all the apps
There are currently Over 350,000 apps designed specifically for the iPad. The iPad can also run any iPhone app by enlarging on the screen. See the link below for a list of top iPad apps on Apple.com.
Double Click the Home Button.
Only if the apps were synced to the computer before being deleted from the device before you synced it. Otherwise, no
Yes they will be compatible however and will have some impact on the images from apps, however this won't be a large difference because the app was not developed for retina, but you will see a difference
You can zoom in on an app and make it useable, but you can not zoom out and still be curious to see how developers will use this
The iPad will not play a DVD. DVDs can be streamed from a computer and watched on the iPad with apps such as PopCorn DVD (See links below) or they can be converted to an iPad friendly video format, with VLC or similar free software, and transferred to the iPad via software such as iTunes or DropBox. Handbrake, or if you're a big torrenter, Vuze has a nice built in converter for iPad.
The iPad does not have a file system like a computer. Each app takes care of documents that it creates or imports. Some apps let you see, add to and edit the list of files for that app inside iTunes.
That is a place where you can install and uninstall apps. Also you can see how much battery and memory it is taking up.
The iPad uses apps (small scale applications) which take advantage of the touch sensitive screen interface (See links below). There are over 250,000 apps available which cover a range of activities such as games, education, cooking, drawing and painting, music creation etc. The iPad also provides access to magazine and newspaper content, movies and music as well as regular web browsing and emailing functions.