Yes. You don't need a computer to have an iPad. You will need a WiFi or 3G connection to download apps and music.
Yes you just go to the itunes app on your ipad and then do what you want from there.
No, you can own an iPad without an Apple account. You will not be able to purchase apps from the Apple app store without an account. Most people charge the purchase of apps to a credit card, but you can use iTunes gift cards to purchase apps if you do not have a credit card.
No—you cannot sync an iPad with iTunes directly on the iPad, because the iTunes app on iPad (or iPhone) is just for purchasing and playing content, not for device syncing. To sync your iPad, you need a computer: Windows or macOS Mojave and earlier: Use iTunes. macOS Catalina and later: Use Finder. Connect your iPad via USB (or Wi-Fi sync if enabled), then you can sync music, movies, podcasts, and backups.
Use iTunes on your computer and sync.
Use Itunes it will be easiest.
Connect your ipad to your mac with the cable. Then, use itunes to move your music over to your ipad.
Gift cards can be redeemed on the iPad by opening the iTunes or App Store apps and clicking the Redeem button found by scrolling to the bottom of the page.
Yes, if you go to the apple store or itunes app on your ipad, theres a redeem button on the bottom somewhere and then you put the code that the itunes card have.
Use the App Store within the iPad or iTunes on your computer when the iPad is plugged into it.
You create the Apple ID on iTunes or on the iPad itself.
You can not use iTunes on android. But you could transfer all your iTunes data to android by Jihosoft iTunes to android transfer if you want.
You cannot use a USB storage media for sending storage on an iPad. You need a computer with iTunes. You could make a backup using iTunes and store that backup on a USB drive, but you still need iTunes to restore it to the iPad.