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. Contrast with on-demand scanner.
Literally, on a circuit board. On-board memory, for example, refers to memory chips on the motherboard. On-board modems are modems that are on expansion boards.
- on-demand scanner
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 […]
- on-board modem
Another term for an internal modem; that is, a modem that comes as an expansion board you can insert into a computer.
- on-demand software delivery
A type of software delivery service where the software is provided to the customer through a network (such as the Internet) as a service. On-demand software delivery is also called software on-demand. The terms on-demand software and Software as a Service (SaaS) are often used interchangeably.
Alternative spelling of online