It usually is marked either with a sticker or sometimes with a stenciled mark like something.
a network card is a device which usually connects a computer to a network (LAN). A computer has two categories which make it a computer:
Hardware
Software
A network Card is from the Hardware part of the computer.
The answer & explanation for this question is given in the attachment below.
The user's browser renders the html code as a visual web page. A web page that we commonly see is structured by a bunch of 1 and 0. Rendering process allow the machine to interpret that 1 and 0 into the visual that we currently seeing Hope this helps. Let me know if you need additional help!
CPU (Central Processing Unit) is also known as the brain of the computer because this is the place which actually runs the programs. The programs are the set of instructions needed to perform a task.
