Question 5
Which task is executed during the Power-On Self Test (POST)?
The amount of system RAM is detected.
The Master Boot Record is created.
The operating system is initialized.
Disk file systems are detected.
Correct answer: A
Explanation:
The principal duties of the main BIOS during POST are as follows:verify CPU registersverify the integrity of the BIOS code itselfverify some basic components like DMA, timer, interrupt controller(A) find, size, and verify system main memoryinitialize BIOSpass control to other specialized BIOSes (if and when required)identify, organize, and select which devices are available for booting
The principal duties of the main BIOS during POST are as follows:
verify CPU registers
verify the integrity of the BIOS code itself
verify some basic components like DMA, timer, interrupt controller
(A) find, size, and verify system main memory
initialize BIOS
pass control to other specialized BIOSes (if and when required)
identify, organize, and select which devices are available for booting