Firewall
Server / Software designed to protect against piracy computer network / computer connected to Internet. This server ensures the security of information within LAN by filtering the inputs and outputs by controlling an automatic procedure established (firewall rules).
Firewire
Also called IEEE 1394. Standard serial bus for connection to hot-compatible external devices. The flow theoretical initial 400 Mpbs capped at present to 800 Mbps.
Firmware
Program located on a physical medium (ROM) An electronic device such as a burner DVD or routerEssential to its operation. It can update itself, allowing the device new functions or improved functioning.
Fish-eye
From English fish eye, Fisheye. Whose objective focal length allows a very short angle very open field near or equal to 180 °. It attaches to an SLR.
The French term, hypergone is little used.
The images it produces are distorted. Besides the prospect is very pronounced, straight lines that do not pass through the center of the image are curved. You can adjust the image projected on a spherical screen.
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