An overhead projector is required to display content on transparencies. A transparency is a thin sheet of plastic in which light is reflected upon to display content.The light source emits light towards the transparency and then the image is displayed on the wall. Usually, this light source comes from below and lights upward and so the content is depicted above or overhead.
Answer:
b
Explanation:
it's not a c or d and now I have to make it 20 characters long so I will do this
Is it called a, "server".
Answer:
a high level language is any programming language that enables development of a program in a much more user friendly programming context and is generally independent of the computers hardware architecture.
Answer:
The expression is :
π[cd) + π(g,h) ],[π(e,f)+π(a,b)])
We will use foreign key and primary key
