Answer:
20. Quick access toolbar.
21. Toggle buttons.
22. Secondary memory.
23. Recycle bin.
24. System tray.
25. Basic and high contrast.
Part III.
1. Existing.
2. Cut.
3. Outline.
4. Title.
5. emails.
6. Web-browser.
7. Slides.
8. Ubdo
9. Ctrl + I.
10. Start button.
11. Screen.
12. Binary.
13. Formatting.
14. System.
15. Volatile memory.
16. Hard.
17. Engine.
18. Zone.
19. Picture.
20. Modify.
Explanation:
20. By default Undo and Redo commands are located on Quick access toolbar.
21. The B, I and U buttons are called toggle buttons.
22. The memory which is called the auxiliary memory is secondary memory.
23. When you delete a file or folder it goes to the Recycle bin.
24. System tray is present on the right side of the taskbar.
25. Basic and high contrast is one set of themes.
Part III.
1. Renaming a file or folder means to give a new name to an existing file or folder.
2. You can shift a file or folder using the cut and paste.
3. Outline tab displays the text in the presentation
4. The title bar is on the top of the MS PowerPoint screen.
5. The mail button of Internet explorer allows you to send receive and view emails.
6. Web-browser allows you to view web pages.
7. A presentation is a collection of slides.
8. Undo cancels the last executed command.
9. The keyboard shortcut for italics is Ctrl + I.
10. We can go to any software that is loaded on our computer through the start button.
11. You can also design your own screen saver.
12. Computer understands only binary language.
13. Formatting means changing the appearance of a document.
14. Every computer has a system clock.
15. RAM is also called volatile memory.
16. The information stored on the hard disk remains there even if the computer is switched off.
17. Search engine searches for keywords or categories you specify and then shows you a list of the words related to the key word.
18. Countries and places in the same time zone read the same time.
19. Use picture position option for specifying the positioning of the wallpaper.
20. You can modify the copied independently file without affecting original file.
