a computer screen on
a white computer screen 
a white iMac computer
a white Apple Mighty Mouse 
The mouse is white.
The mouse is on the table.
The monitor is white.
The table is white.
The mouse is shiny.
white early 2000s iMac
a white mouse
white apple mouse
plain white desk
a computer monitor, keyboard, mouse and a mouse pad sits on a white table in front of a computer