How to take screenshot on Apple iPad Gen 2

Since Apple iPad Gen 2 is an iOS device, you may click a screenshot easily using the following method

For iOS Devices

Press and hold the sleep/wake button and then click the Home button (for older devices, you need to press Home button and Power button at the same time and keep them pressed for 2 to 4 seconds).
You will hear a camera sound or screen flash to signal the screenshot being taken.
Release the buttons, then.
Your Screenshot would be saved to Photos.