Correct option is C
Sol. The Blue Screen of Death (BSOD) is a critical system error that appears in Microsoft Windows when the system encounters a fatal fault and must stop. It usually occurs due to hardware failure, driver issues, or system file corruption. The screen is blue with white text indicating the error code and cause.
Explanation of each option:
· (a) Free Fire – Incorrect. Free Fire is a mobile game and not related to system-level crashes like BSOD.
· (b) Wireless routers – Incorrect. Routers may face connectivity issues but do not produce BSODs.
· (c) Microsoft Windows – Correct. Windows shows the blue screen when it crashes due to serious hardware/software errors.
· (d) Facebook – Incorrect. Facebook is a web-based platform and cannot trigger operating system-level errors like BSOD.