What are the benefits of a wired and wireless Apple keyboard?

Wireless keyboards allow for more portability and freedom from wires if they clutter a desk or get caught on items. Wired keyboards do not require the addition of batteries, so you won't have to worry about it losing power. Mac wired keyboards also include a number pad, while the wireless versions don't.

Are Apple keyboards ergonomic?

The standard Apple keyboards are not ergonomic. If you spend a lot of time typing, it may be worth it to opt for an Apple-compatible ergonomic keyboard.

Which keyboard is best to pair with an iPad?

Apple's wireless keyboard can be paired with its iPad as well as its computers. This supplies you with a full-sized keyboard.