By AC unit do you mean air-conditioning unit? Or alternating current unit? I'll assume the latter. The AC unit is better-known as the power-supply unit (PSU). And yes, there is a connection between the PSU and CPU, via the 20 or 24 pin PSU-to-motherboard connector. The PSU can be interrupted by the CPU, which is how the machine is able to power off when you shutdown the operating system.
any unit that brings data into the computer.
The brain of any computer system is central proccessing unit
is there any connection between food drinks and studying?
The centre of any computer - is the CPU (central processing unit).
The brain of any computer system is central proccessing unit
no connection between those 2things
central
You can download the application or program to almost any computer. It would need to be new enough to accept the connection but yes, the capability exists to use it on any computer.
the connection between is that it either religion,military Economics or power.the connection between is that it either religion,military economics or power.
There is no traditional connection, but there could be a modern connection. There is a traditional connection to the number 8 though.
Besides losing temporarily connection with them there shouldn't be any other effect on the computer.
http://support.microsoft.com/kb/923200 When the sending computer sends FIN, the state of the TCP connection is set to FIN_WAIT_2. After the TCP connection has been closed, the sending computer sends RST in order to reset the connection if the receiving computer sends any packets to the sending computer.