. Which shortcut key is commonly used to undo the previous action in most programs?

3. In Microsoft Word, what is the shortcut key to save a document?

4. What is the shortcut key to paste copied text or objects in most applications?

5. Which shortcut key combination is used to open a new tab in most web browsers?

6. What is the shortcut key to close the current window or tab in most applications?

7. In Windows, which shortcut key combination is used to open the Task Manager?

8. What is the shortcut key to select all text or objects in most applications?

9. Which shortcut key combination is used to cut selected text or objects in most applications?

10. In Microsoft Excel, what is the shortcut key to insert a new row?

11. What is the shortcut key to switch between open applications or windows in Windows?

12. Which shortcut key combination is used to print a document in most applications?

13. What is the shortcut key to open the Find dialog box in most applications?

14. In Adobe Photoshop, which shortcut key combination is used to undo the last action?

15. What is the shortcut key to switch between different open tabs in most web browsers?

16. In Microsoft PowerPoint, what is the shortcut key to start a presentation from the beginning?

17. Which shortcut key combination is used to open the File Explorer in Windows?

18. What is the shortcut key to minimize all windows and show the desktop in Windows?

19. In Microsoft Word, what is the shortcut key to bold selected text?

20. What is the shortcut key to refresh a web page in most web browsers?