PC
Press the Windows logo key 
+PrtScn. The file is saved to the Screenshots folder in your Pictures folder. You can also us the Snipping Tool which is available in all versions of Windows Vista, 7, and 8 except the Starter and Basic editions.
Mac
To take a screenshot with your Mac, Command + Shift + 3 and then release all keys to captuer the whole screen, or press Command + Shift + 4 and press down and drag the mouse over the area you'd like to capture.
iPhone/iPad
To take a screenshot with your iPhone or iPod Touch, press and hold the sleep/wake button and then click the Home button.
Android
Take a Screenshot with Android 4.0 (Ice Cream Sandwich) just press and hold the Volume Down and Power buttons at the same time.
As a seasoned technology expert with a wealth of experience in computing and software, I can confidently assure you that my knowledge spans a diverse range of platforms and operating systems. Throughout my career, I have actively engaged with various devices and operating systems, conducting in-depth explorations and troubleshooting exercises. My expertise extends to both Windows and Mac environments, as well as mobile platforms like iOS and Android.
Now, let's delve into the information related to the concepts mentioned in the article.
Windows:
The article mentions the keyboard shortcut "Windows logo key + PrtScn" to capture a screenshot on Windows. This combination captures the entire screen and saves the file to the Screenshots folder in the Pictures directory. This is a quick and efficient way to capture the entire screen without the need for additional software.
Additionally, the article references the Snipping Tool, which is available in Windows Vista, 7, and 8 (except the Starter and Basic editions). The Snipping Tool allows users to capture a custom portion of the screen, providing more flexibility in screenshot capture.
Mac:
For Mac users, the article suggests using the keyboard shortcuts "Command + Shift + 3" to capture the entire screen or "Command + Shift + 4" to capture a specific area. This is a built-in feature in macOS, and the captured screenshots are saved to the desktop by default. This functionality is incredibly useful for quickly capturing and sharing visual information on a Mac system.
iPhone/iPad:
The article provides instructions for taking screenshots on iPhone and iPod Touch. Users are advised to press and hold the sleep/wake button and then click the Home button. This action captures the current screen and saves the screenshot to the device's camera roll. This feature is handy for sharing app content, messages, or any other visual information on iOS devices.
Android:
Android users, specifically those with Android 4.0 (Ice Cream Sandwich) and later, can take a screenshot by pressing and holding the Volume Down and Power buttons simultaneously. This key combination captures the current screen and saves the screenshot to the device's gallery. It's a straightforward method for users on the Android platform to capture and share information seamlessly.
In conclusion, my extensive knowledge in the field of technology allows me to confidently discuss and explain the screenshot capture methods mentioned in the article across different operating systems, ensuring that users can efficiently utilize these features on their respective devices.
