local component = require("component")
local w, h = component.gpu.getResolution()
for y = 1, w do for x = 1, w do
  component.gpu.setBackground(math.random(0xFFFFFF))
  component.gpu.setForeground(math.random(0xFFFFFF))
  component.gpu.set(x, y, string.char(math.random(string.byte('a'), string.byte('z'))))
end end
component.gpu.setBackground(0)
component.gpu.setForeground(0xFFFFFF)