A program that enters a computer usually without the knowledge of the operator. Some viruses are mild and only cause messages to appear on the screen, but others are destructive and can wipe out the computer’s memory or cause more severe damage.
Note: Computer viruses spread from machine to machine on disks or, more commonly, over the Internet.
Note: The creation of computer viruses can be part of cyberwarfare.
noun 1. a robot analogue of human vision in which information about the environment is received by one or more video cameras and processed by computer: used in navigation by robots, in the control of automated production lines, etc. 2. a similar system for the blind that converts optical information into tactile signals.
- Compute server
computer, parallel A kind of parallel processor where the parallel processors have no I/O except via a bus or other connection to a front-end processor which handles all I/O to disks, terminals and network. In some antiquated IBM mainframes, a second CPU was provided that could not access I/O devices, known as the slave or […]
- Computing devices canada ltd.
company Canada’s largest defence electronics company. It has extensive hardware and software developmental capabilities. Its list of achievements includes: direct and indirect fire control systems, vehicle electronics, reconnaissance vehicle surveillance systems, computerised laser sight for anti-tank weapons, tactical communication systems, headquarters information distribution system, tactical voice and distribution systems, acoustic signal processing, ASW mission systems, […]
- Computing dictionary
Free On-line Dictionary of Computing
/kom’pyoo-tron”/ 1. A notional unit of computing power combining instruction speed and storage capacity, dimensioned roughly in instructions-per-second times megabytes-of-main-store times megabytes-of-mass-storage. “That machine can’t run GNU Emacs, it doesn’t have enough computrons!” This usage is usually found in metaphors that treat computing power as a fungible commodity good, like a crop yield or diesel […]