CompTIA A+ Practice QuizRestartQuestion 7 of 20What does the POST (Power-On Self-Test) accomplish when a computer is first powered on?A.It checks essential hardware and initializes them before booting the OSB.It loads the operating system from disk into memoryC.It scans the boot sector for viruses before loading the OSD.It verifies the user’s login credentials for security← Back to StartNext →Ad space (AdSense): place your ad unit here.