Technology Quiz 4

1. Who co-created the UNIX operating system in 1969 with Dennis Ritchie?





2. '.BAK' extension refers usually to what kind of file?





3. In which decade was the ARRL founded?





4. The average power (in watts) used by a 20 to 25 inch home color television is...?





5. Once the active medium is excited, the first photons of light are produced by which physical process?





6. Where is the headquarters of Intel located?





7. 'CD' computer abbreviation usually means ?





8. What does AC and DC stand for in the electrical field?





9. 'DTP' computer abbreviation usually means ?





10. Compact discs, (according to the original CD specifications) hold how many minutes of music?