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Power On Self Test (POST) runs when a computer first boots.
Which component software issues this test?
A. Complementary Metal Oxide Semiconductor
B. Northbridge On Board Chip
C. Basic Input/Output System
D. Southbridge On Board Chip
Correct Answer: C
Explanation/Reference:
The four main functions of a PC BIOS (Basic Input/Output System).
. POST – Test the computer hardware and make sure no errors exist before loading the operating system. Additional information on the POST can be found on our POST and Beep Codes page.
. Bootstrap Loader – Locate the operating system. If a capable operating system is located, the BIOS will pass control to it.
. BIOS drivers – Low level drivers that give the computer basic operational control over your computer’s hardware.
. BIOS or CMOS Setup- – Configuration program that allows you to configure hardware settings including system settings such as computer passwords, time, and date.
Reference: http://www.computerhope.com/jargon/b/bios.htm
