Pci BNC plug?

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an electrician was at ours today to fit a security camera, i was at work. he told my mother that he connect it to a pc to record a months worth of footage, we just needed an old pc. he reckons all pcs have a bnc plug. is a bnc plug that round thing on old network cards

anyway. hes got the camera plugged into a tv at the mo, not recording. the conection is a standard yellow phono cable. so why does he need a bnc plug. and what the hell is he on about

 

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You did get BNC plugs on old coax cables which were used for networking but they can also supply TV input I believe. I've not seen a network card with one on for years, in fact I think it was back when 10mb PCI cards were fairly new.

I'd question the guy a bit further as I'm afraid I don't know enough about AV to directly comment.

just spoke to him, basically the bnc is unnessacary. i need a video capture card but might just go for a cheapy dvd recorder. i presume, you can set different quality on them so i can record for a decent time.

 

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so is a pc the best way to go for a home security camera or would a cheap and cheerful hard drive recorder or dvd recorder be the way to go?

 

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can anyone recommend an appropriate graphics card/software?