Questions

BSODs appear when Microsoft Windows encountersa critical error it cant recover from, requiring a rebootand possibly resulting in lost work. It stands for bluescreen of death. Blue screens are generally caused byproblems with your computers hardware or issues withits hardware driver software. A blue screen occurswhen Windows encounters a "STOP Error." Thiscritical failure causes Windows to crash and stopworking

Hagia Sophia is the former Greek Orthodox Christian patriarchal cathedral, later an Ottoman imperial mosque and now a museum in Istanbul, Turkey.

It was built in 537 AD at the beginning of the Middle Ages, it was famous in particular for its massive dome. It was the world's largest building and an engineering marvel of its time.

The dome of the Hagia Sophia is supported by the four pendentives of the square corners.