OCR - Optical Character Recognition.
OEM - Original Equipment Manufacture.
Ohm - A measure of electrical
OOP - Object Orientated Programming.
Operand - An instruction that specifies
the data on which the operation is to take place. For example, 5 X 3 = 15. The
numbers 5 and 3 are operands in the multiplication operation.
Operating System - The software that
controls a computers hardware and resources.
Optical Device - A piece of hardware that
uses laser beams for data transfer. CD players and burners are the best examples
of this. Check out this article on CD / DVD burners.
OS - Operating System.
Oscilloscope - A device to measure
electrical voltage over a period of time.
OSI - Open Systems Interconnection.
Output - The results of input from a
device. For example, typing on a keyboard produces character output on the
Overload - To exceed the rated capacity of
an electronic device.