drives,monitors,cpus,ram,rom,mother boards etc
CPU stand's for central prossessing unit
it is supposed to be in most smartphones and computers
the term CPU has been in the computer buissness since the 1960's
A central processing unit (CPU) and memory.
Motherboard specifically refers to a PCB with expansion capability - the board is the "mother" of all which are not true motherboards.)
touch screens foo'
smart phones The touchscreen has two main attributes. First, it enables one to interact directly with what is displayed, rather than indirectly with a pointer controlled by a mouse or touchpad . Secondly, it lets one do so without requiring any intermediate device that would need to be held in the hand (other than a stylus which is optional for most modern touchscreens), mobile phones, and video games