Template:Glossary:O

• Octets : An Octet is a unit of eight bits
• OE : Output Enable - control signal
• OpenCL : OpenCL (Open Computing Language)
• OpenGL : OpenGL is a cross-language, multi-platform API for rendering 2D and 3D computer graphics.
• OpenGL ES : OpenGL for Embedded Systems is a subset of the OpenGL 3D graphics application programming interface (API) designed for embedded systems
• Operation code : opcode (operation code), Several bits in a computer program instruction that specify which operation to perform.
• Operating system : An operating system (OS) is a set of software that manages computer hardware resources and provide common services for computer programs.
• optical disc drive : (OD or ODD ) - is a disk drive that uses laser light or electromagnetic waves near the light spectrum as part of the process of reading or writing data to or from optical discs
• optical disc drive emulator : (ODE or ODDE) - is a device that emulates the behaviour of an optical disc drive, thus allowing the loading of disk drive images and bypassing disc security
• Orbis : The internal codename for the Playstation 4
• OTP : One Time Pad