TLE 10 - 4th Qtr Review

He was the first to discover the existence of radio waves in the 1860s.

• Guglielmo Marconi

• Nikola Tesla

• Lee de Forest

• James Maxwell

The unit of frequency of one cycle per sound.

• Amps

• Hertz

• Ohms

• Watts

It is the transmission of radio waves of the same dot-dash message used by telegraphs.

• Radiotelegraphy

• Television

• Text messages

• Telephone

AM is most preferred to use than FM.

• True

• False

Edwin Howard Armstrong invented amplitude modulation

• True

• False

Which of the following are FM radio in the Philippine:

• Star FM

• Super Radyo

• DZRH

• Win radio

Which of the following refers to AM radio

• 540 to 1700 kHz

• Less susceptible to noise

• Sufficient for speech recognition in quiet

• Simplest form of radio broadcasting

• Has higher bandwidth

Which of the following refers to FM radio

• Better sound quality

• Encoding is done by varying the number of waves

• Sufficient for speech recognition in quiet

• Simplest form of radio broadcasting

• Has higher bandwidth

It is the ability to set realistic targets.

• Hardworking

• Self-confidence

• Profit-oriented

• Goal-oriented

Working diligently and industriously.

• Goal-oriented

• Hardworking

• Willing to listen

• Risk-taker