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Which task is executed during the Power-On Self Test (POST)?
A. The amount of system RAM is detected.
B. The Master Boot Record is created.
C. The operating system is initialized.
D. Disk file systems are detected.
Correct Answer: A
Explanation/Reference:
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 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
