Answer: B. The BIOS makes sure that all your computer's peripheral devices are attached and working.C. The BIOS verifies your login name and password.
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    Once the BIOS program is activated  what happens next?                
Once the BIOS program is activated  what happens next ? B.  The BIOS  makes sure that all your computer's peripheral devices are attached and  working. C.  The BIOS  verifies your login name and password.  What happens after  the POST? B.  After  POST   BIOS  copies the operating system from the hard drive to RAM.   
Once the BIOS program is activated  what happens next?  The BIOS makes sure that all your computer's peripheral devices are  attached and working. What happens after the POST ? Bios copies the operating system from the hard drive to the RAM            
What BIOS Does - How BIOS Works | HowStuffWorks              
What Is BIOS? (And How to Use It) - Lifewire              
What BIOS Does - How BIOS Works | HowStuffWorks              
What Is BIOS? (And How to Use It) - Lifewire              
Tue Sep 18 2012   · The Question. SuperUser reader Indrek poses this  BIOS  related question: I always wondered whether  the BIOS  (apart from conducting POST  starting the bootloader and passing control  to the OS  after  one presses the power button) has any purpose or function while the  operating system is running?. Does the operating system communicate with  the BIOS  while running and if so  how?     
Once the kernel starts  it has to  look around    find the rest of the hardware   and  get ready to run programs . It does this by poking not at ordinary memory locations but rather at I/O  ports — special bus addresses that are likely to have device controller  cards listening at them for commands. ...
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