'OS' computer abbreviation usually means ?

In which decade was the American Institute of Electrical Engineers (AIEE) founded?

A. 1850s

B. 1880s

C. 1930s

D. 1950s

What is part of a database that holds only one type of information?

A. Report

B. Field

C. Record

D. File

'OS' computer abbreviation usually means ?

A. Order of Significance

B. Open Software

C. Operating System

D. Optical Sensor

In which decade with the first transatlantic radio broadcast occur?

A. 1850s

B. 1860s

C. 1870s

D. 1900s