DEFINITION 1: The focal point of a concave lens is the point where light rays parallel to the axis seem to diverge from after passing through the lens. The distance from the lens to this point is called the focal length of the lens.
Sniffers. Tweet. Submit article. A sniffer, also known as a network analyzer, packet sniffer or ethernet sniffer, is a computer program that monitors and analyzes network traffic transmitted from one network location to another. A sniffer captures each packet sent, decodes it and allows to view its content.niffers. Tweet. Submit article. A sniffer, also known as a network analyzer, packet sniffer or ethernet sniffer, is a computer program that monitors and analyzes network traffic transmitted from one network location to another. A sniffer captures each packet sent, decodes it and allows to view its content.
CCleaner (formerly Crap Cleaner), developed by Piriform, is a utility program used to clean potentially unwanted files (including temporary internet files, where malicious programs and code tend to reside) and invalid Windows Registry entries from a computer.