1GL       First Generation Language (machine language)

24/7       Twenty-four Hours a Day, Seven Days a Week

286       80286 (microprocessor)

2GL       Second Generation Language (assembly language)

386       80386 (microprocessor)

3COM      3 Com Corporation (The 3 Coms are

          Computer, Communications and Compatibility)

3GL       Third Generation Language (programming language)

486       80486 (microprocessor)

4GL       Fourth Generation Language (descriptive language)

6DOF      Six Degrees of Freedom