No, a computer can not hear people as it's not a living thing (some living things can not hear). However, if you attach a set of head-phones to your computer than it can hear you.
Encyclopedia
maybe because your listening to the news on your computer?
check your spekers or your computer.
Computer architecture is not useful for the people whose use the computer for general purposes. Mostly, computer architecture helps those people who are in the manufacturing/development sector.
that is called the moniter with speakers
So you can hear sound from the computer.
No, On a computer you only usually 'read' things then 'hear'.
Encyclopedia
maybe because your listening to the news on your computer?
the volume
Speaksforitself.com
because
speakers idiots!!
Youtube.com
Encyclopedia
Hardware
We can't hear it from here.