Question

4. A thumbnail is a graphic image in
reduced size. *​

Answer 1

Answer:

Have a resolution of 1280x720 (with minimum width of 640 pixels). Be uploaded in image formats such as JPG, GIF, or PNG. Remain under the 2MB limit. Try to use a 16:9

Answer 2

Answer:

Thumbnails (/ˈθʌmneɪl/) are reduced-size versions of pictures or videos, used to help in recognizing and organizing them, serving the same role for images as a normal text index does for words.