What does the prtsc/sysrq key mean?
The PrtSc/SysRq key means screen acquisition. This key is a shortcut key for taking a screenshot of the entire screen. After pressing the prtscr key, the captured picture will not be saved directly to the computer, but will be saved in the clipboard. At this time, you can paste it into software that can receive pictures, such as QQ, WeChat, Word, and Paint. The screen picture is displayed, and the operation can also be edited or saved.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
What is the PrtSc/SysRq key?
The PrtSc/SysRq key is the PrintScreen key on the right side of F12 on the keyboard, which means screen acquisition. To put it simply: the prtscr key is the shortcut key for taking a screenshot of the entire screen.
After pressing the prtscr key, the captured image will not be saved directly to the computer, but will be saved in the clipboard. At this time, you can press the ctrl key and the v key at the same time to paste the just captured image. pictures and edit them.
You can also paste the captured screen image into a software that can receive images, such as QQ, WeChat, Word, or Paint, to display the captured screen image.
How to save the picture captured by prtscr key:
1. Press the "win r" key to open "Run" window, enter mspaint, then click OK.
2. Click the "Paste" button in the window and paste the image information from the clipboard
3. Press the Ctrl S key to save the image.
Note: Capture the game screen
We all know that you can use the Print Screen key on the keyboard to capture the desktop pattern in the system , and then "paste" it in the "Paint" program or image processing software such as Photoshop. But if what we want to capture is the game screen, the above method may not work.
Extended knowledge:
In early text-based and command line operating systems (such as MS-DOS), the function of PrtSc is to convert the entire The screen is sent to a standard printer for printing.
Its meaning is different in current operating systems. When you press this button (i.e. take a screenshot) in a graphical operating system, the system will automatically take the content displayed on the current screen as a The bitmap image is temporarily stored in the random processing memory
At this time, the user can open any software that can read the memory (such as Paint, Photoshop, or WORD, POWERPOINT, etc.) and paste (Ctrl V) the Image and you can edit the screenshot at that time.
In Microsoft Windows systems, if combined with Alt, you can also capture active windows or dialog boxes.
On some keyboards, this key will be placed together with the System Request key (System Request, abbreviated as SysRq), but this command is not enabled in Windows.
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