Broadcast Engineering 1

Broadcasting is the process of transmitting information (voice, music or video signal) by radio or through television for reception by the ________ .

• receiver

• antenna

• general public

• private owners of radio/TV

AM is a method of impressing ______ on a radio signal

• music

• voice

• acoustic

• sound

Commercial and public AM broadcasting is authorized in the ___________ band worldwide

• short wave

• medium wave

• long wave

• all ofvthe choices

Radio broadcasting was made possible by the invention of the amplifying _______

• audion

• triode

• vacuum tube

• all of the choices

Lee de Forest invented the vacuum tube in _______, which led to the development of inexpensive AM radio receivers and transmitters during World War I.

• 1916

• 1906

• 1896

• 1926

Commercial AM broadcasting developed from _______ around 1920

• amateur contests

• radio enthusiast

• amateur broadcasts

• telephone broadcasts

Broadcasting period after World War II is now known as the ____________.

• "Golden Age of Broadcasting"

• "Golden Age of Radio"

• "Golden Age of Radio and TV"

• "Golden Age of AM Radio"

Today, AM competes with FM, as well as with various digital radio broadcasting services distributed from ________ and satellite transmitters

• ground wave

• airwave

• terrestrial

• omni-directional antennas

The _______ audio bandwidth and _______ levels of interference experienced with AM transmission have led AM broadcasters to specialize in spoken-word programming

• narrow, lower

• wide, higher

• wide, lower

• narrow, higher

AM operating frequency

• 3 – 30 kHz

• 30 – 300 kHz

• 300 – 3000 kHz

• 3000 – 30000 kHz