Me podrían explicar que es una lógica positiva y un negativa por favor

How should you specify box sizes on a web page if you want the boxes to vary according to the font size of the text they contain? a. in pixels b. in inches c. as percentages d. in em units

How do you know if the website is secure if you make a purchase

The default name for the small icon that represents a web site or page, and is displayed in the browsers, typically at the beginning of the url address field, is: