Search Results: "scanner"
Definition of the term 'capacitance scanner'http://www.webopedia.com/TERM/C/capacitance_scanner.html
A device that can read text or illustrations printed on paper and translate the information into a form the computer can use. A scanner works by digitizing an image -- dividing it into a grid of boxes and representing each box with either a zero or a one, depending on whether the box is filled in.http://www.webopedia.com/TERM/O/optical_scanner.html
Definition of the term 'virus scanner'http://www.webopedia.com/TERM/V/virus_scanner.html
Microsoft Safety Scanner is a free security tool that provides on-demand scanning for viruses, spyware and other malicious software.http://www.webopedia.com/TERM/M/microsoft-safety-scanner.html
A type of antivirus program that actively scans your computer system for viruses only when prompted to do so by the computer user, or by scheduling it as a time-specific task. On-demand scanners, while used to scan hard drives can also be used to check removable storage devices before copying from those devices onto your system.http://www.webopedia.com/TERM/O/on_demand_scanner.html
A type of antivirus program which runs in the background and actively scans your computer system constantly for viruses and other malicious threats, for the entire duration that your system is powered on, unless paused by the computer user. On-access scanners will monitor all system activity and automatically scan files which have been downloaded from the Internet or through e-mail.http://www.webopedia.com/TERM/O/on_access_scanner.html
Also see The Difference Between a Virus, Worm and Trojan Horse in the Did You Know? section of Webopedia.http://www.webopedia.com/TERM/C/command_line_scanner.html
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