Computersight -

Interrupt Requesting (IRQ) is a computer system performance enhancing technology that plays a key role in how the CPU performs input/output processing and interfaces with every peripheral in the computer, from the keyboard and mouse to the hard disk and modem. It is through IRQ prioritization that the CPU juggles multiple concurrent tasks thereby giving the impression that it is doing many things at once.

The so-called MicroClient Jr. measures 11.5 by 11.5 centimeters with a height of 3.5 centimeters and weighs somewhat more than 0.5 kg.