In a work of art, what is the subject

According to the article in wiki answer, digital communication systems have more benefits than analog systems. they are faster and more flexible, and they offer better performance than analog communication

Where is the photographer’s signature generally located? centered at the top of the photograph on the side of the photograph in the lower right hand side below the photograph photographs are never signed

Many colleges review students’ scores on the _ or _ before deciding whether to offer them admission.