3 ms·
CRTs were default black, yet we went from dark to light backgrounds during their heyday.
by avian 7y ago
CRTs were default black, yet we went from dark to light backgrounds during their heyday.
- p_l 7y agoText mode terminals used black background, so did XY displays which used memory tubes. When graphical, bitmapped high resolution displays arrived, they nearly universally were white background with black text - but trivially switchable (starting from late 1970s)