Yes, it has a VGA input (female) with no screw holes.
The best affordable one is probably the alienware m14x. $1,250 and super high performance
Yes. A PC Input is the same as a VGA Input.
Yes, if you are a gamer. Not so much for educational purposes though.
An Alienware X51 comes with all the necessary cables to operate the computer in a normal environment. This includes the power cable, monitor cable, and input devices commonly found on all computers.
The Sony Bravia does have a VGA input, which can be hooked up to your computer.
The Alienware M17x r3 comes with an HDMI input.
VGA is the standard analog interface for computer displays. A television monitor that has a VGA input will be able to display a computer image just like a PC screen. VGA can also be used by video equipment so it can be used as a video signal interface for those items of equipment.
Sorry no, You would have to convert the VGA signal on the computer to one of the input types your TV has built in.
With a DVI to VGA lead one can link DVI and VGA devices. For example one could link a computer through its DVI output to a monitor with VGA input. One can buy them from Amazon.
It is impossible to convert S-Video to VGA by using a cable. However, an S-Video to VGA converter adapter can be purchased which contains an S-Video input and VGA output.
Yes if it has VGA or HDMI input.
No, a VGA cable does not carry audio. You will need a converter that has an audio input to add the sound channel to the VGA picture channel.