8) What did the De Forest
audion tube do?
A) rang a bell by remote control
B) permitted static-free transmission
C) transmission of coded messages
D) allowed video transmissions
E) transmitted voices
9) When FM stole much of the
AM audience, many AM stations changed to
A) album oriented rock. B)
jazz and blues C) news and
talk. D) religious evangelism.
E) Top 40.
10) Television stations are licensed in local communities to
A) encourage local programming in the public interest, convenience
and necessity.
B) to create national programs.
C) censor network programming when needed.
D) encourage local people to watch syndicated programs.
E) boost hometown economies.