Quiz 4 (Ch5) Flashcards
(15 cards)
What does BIOS stand for?
Basic Input/Output System.
Where is the BIOS is stored at?
Its stored on the BIOS Chip, which, is a permanent storage. (even after turning off The PC)
What does CMOS stand for?
Complementary Metal-Oxide-Semiconductor.
What does the CMOS do?
Stores and keeps the current time and date of the PC in case of shuts down.
What does POST stand for?
Power On-Self-Test.
What does POST do?
Checks out the system every time the PC boots.
What does POST do when there is an Error?
Display a text message to the user’s monitor indicating this issue OR use beep codes.
What does the following beep code mean?
(long 1, short 2)
indicates a video error and the BIOS cannot initialize the video screen to display any additional information.
What does the following beep code mean?
(long 1, short 3)
Video card not detected or bad Video card.
What does the following beep code mean?
(Beep repeats endlessly)
RAM problem.
What does the following beep code mean?
(Repeated high frequency beeps while PC is running)
Overheating CPU.
What does the following beep code mean?
(Repeated beeps alternately, High & Low frequency)
Issue with processor (CPU), possibly damaged.
What is the first process run by the POST?
The Bootstrap, it initiates the hardware, firmware and software of the PC.
What does the Bootstrap do?
Reads CMOS information to tell it where to look for the operating system.
Why is the CMOS a utility?
Because its where users can manage their PC’s components very easy without the need to open up the PC.
