Physics for Kids. 1  Work is a scalar quantity, not a vector quantity. This means that, unlike force and velocity, it has no direction, only a magnitude. 2  Another unit of work is the foot-pound. One foot-pound is equal to 1.35581795 joules. 3  The joule is also used as the standard unit of measure for energy.
IP spoofing is a technique used to gain unauthorized access to computers, whereby the intruder sends a message to a computer with an IP address indicating that the message is coming from a trusted port.
In computing, spooling is a specialized form of multi-programming for the purpose of copying data between different devices. In contemporary systems it is usually used for mediating between a computer application and a slow peripheral, such as a printer.