Theme 1 – Association with CHIP magazine
"In Germany (maybe also Austria?), that font is probably best known from the logo of major computer magazine/site CHIP (https://www.chip.de/)" — rob74 Theme 2 – Typographic detail (C vs. G)
"the C in the \"dead test font\" doesn't have the characteristic \"thickening\" in the lower vertical part, although the G has it..." — rob74
Theme 3 – Nostalgia for Westminster/“It’s a Computer” font
"Good ol' It's A Computer (tm) font. ... Maybe I should start doing that again." — krige