Q21. DELETE key is used to remove typed text on the _____ side of the cursor.
Q22. Backspace key is used to remove typed text on the _____ side of the cursor.
Q23. __________ key opens the start menu.
Q24. A ___________ is a device that you can use to move, select and open items on your computer screen.
Q25. When you click a particular file by mouse, it may gets __________
Q26. When you move the item to the new location with the help of mouse. This is called _________
Q27.Double-clicking means to quickly click the __________ mouse button twice
Q28. We can _______________ a file by mouse by double click on file.
Q29. ______functions is performed by mouse?
Q30. Prevent others from using your computer by ________