Question

give a brief explanation... ​

Answer 1

Answer:

29) Insert the date or time into a header or footer:

1. On the Insert menu, click Header and Footer.

2. In the Header or Footer sections, click in the Left, Center, or Right sections, depending on where you want the date or time to appear.

3. From the Header & Footer Ribbon menu, click 4. Insert Date or Insert Time. ...

5. If you want, do one or more of the following: ...

Click OK.

30) Your web browser caches the web pages, images, and other files viewed by you on the Internet, so it can avoid downloading the same files each time you view them. By saving files to the cache, your browser reduces the loading time of web pages, and the amount of data downloaded.