what are (inbuilt memory registers)? and how do they look like in reality.

[veena_a]

wants to have a realistic view of how (inbuilt memory registers) look like internally inside the computer. (eg: AR, PC, TR, IR, OUTR, INPR, DR, AC registers).

 

[basroil]

They physically look like any other circuit, far too small to see with anything other than SEM or perhaps if you're lucky the makyou method.

Modern 14-28nm chips might be impossible to see, but you can find decent photos of the old Intel 4004 around (http://www.cpu-world.com/forum/viewtopic.php?t=5750)