Subject
Computer Science
Topic
Computer Fundamental
What may firmware use to report an early hardware fault when no normal display output is available?
What may firmware use to report an early hardware fault when no normal display output is available?
a)
Spreadsheet formulasb)
File extensionsc)
Printer toner levelsd)
Beep codes or diagnostic LEDs/codesExplanation
Many systems can report early POST failures through beep codes, LEDs, or diagnostic codes; exact patterns depend on the vendor.Related questions
During a cold system boot, where does the Power-On Self-Test (POST) execute from according to the master PDF?What does POST stand for?What is the main purpose of POST?Which component is commonly checked during POST, as explicitly mentioned in the master PDF?Where is modern PC firmware such as BIOS/UEFI normally stored?What does BIOS stand for?What does UEFI stand for?Which statement best distinguishes firmware from an operating system?