An iPad keyboard is an external keyboard accessory designed specifically for use with an iPad. It connects to the iPad wirelessly via Bluetooth or through a physical connection, providing a more comfortable and efficient typing experience compared to the on-screen keyboard. iPad keyboards often include additional features such as shortcut keys, backlit keys, and a stand to hold the iPad at a comfortable viewing angle. They come in various styles, including folio cases that protect the iPad when not in use. **

I'm sorry, but I am unable to physically inspect the iPad keyboard to determine if it is scratched. If you suspect that the iPad keyboard is scratched, you may want to visually inspect it or run your fingers over the surface to feel for any imperfections. If you find that it is indeed scratched, you may consider using a protective case or cover to prevent further damage. **

The decision between the iPad Pro and the iPad Air for digital drawing depends on your specific needs and budget. The iPad Pro offers a larger screen, better performance, and support for the Apple Pencil 2, making it a great choice for professional digital artists who require advanced features and capabilities. On the other hand, the iPad Air is more affordable and still provides a high-quality drawing experience, especially for hobbyists or beginners. Consider your budget and the level of performance and features you need before making a decision. **

A sound card with MIDI input and output ports is suitable for connecting a MIDI keyboard. This allows the MIDI signals from the keyboard to be transmitted to the computer for recording or playback. Additionally, a sound card with low latency and high-quality digital-to-analog converters can help ensure accurate and high-fidelity sound reproduction from the MIDI keyboard. It is recommended to choose a sound card that is compatible with your computer's operating system and has the necessary drivers for seamless integration with your MIDI keyboard. **

There could be several reasons why your MIDI keyboard is not producing any sound. First, make sure that the keyboard is properly connected to your computer or audio interface. Check the volume levels on both the keyboard and your computer to ensure they are not muted or set too low. Additionally, make sure that the correct MIDI channel and instrument are selected on your keyboard and in your music software. If you have tried these steps and are still experiencing issues, there may be a problem with the keyboard itself, and you may need to troubleshoot or seek professional help. **

An iPad Mini can be sufficient for digital drawing, especially for beginners or those looking for a more portable option. The smaller screen size may be a limitation for some artists who prefer a larger canvas to work on. Additionally, the processing power and capabilities of the iPad Mini may not be as advanced as larger iPad models, which could impact the complexity of the artwork that can be created. Ultimately, it depends on the individual's preferences and needs for digital drawing. **

The keyboard of the iPad is generally user-friendly and responsive. It offers a good typing experience with decent key spacing and size, making it comfortable for typing longer texts. The keyboard can be customized with different layouts and features, such as split keyboard or predictive text, to suit individual preferences. Overall, the iPad keyboard is well-designed and functional for various tasks. **

It can be worth buying an iPad keyboard if you frequently use your iPad for typing long documents or emails. A keyboard can significantly improve typing speed and accuracy compared to using the on-screen keyboard. Additionally, some iPad keyboards offer additional features like backlit keys, adjustable viewing angles, and extra protection for your device. However, if you primarily use your iPad for simple tasks like browsing the internet or watching videos, investing in a keyboard may not be necessary. **