Solve this multiple-choice question and choose the correct option.

Radio communications: Expand the abbreviation AM. In broadcast engineering and signal processing, what does the term AM stand for? Choose the correct expansion.

Difficulty: Easy

Amplitude Modulation
Angular Modulation
Analog Multiplexing
Audio Mixing

Correct Answer: Amplitude Modulation

Explanation:

GivenAbbreviation: AM in radio communications.

Concept/ApproachAM is a method where the amplitude of a carrier wave is varied in proportion to the message (audio) signal.

Key pointAM = Amplitude Modulation.

Common pitfallsDo not confuse with FM (Frequency Modulation) or PM (Phase Modulation).

Final AnswerAmplitude Modulation.

← Previous Question Next Question→

More Questions from Technology

Laser physics basics: Identify the process that produces the first photons. Once a laser’s active medium is excited (population inversion initiated), which fundamental process produces the initial photons that start the light amplification? Choose the correct physical process.
File formats: Recognize the purpose of the .TXT extension. On computers and operating systems, a filename ending with .TXT typically represents which kind of file? Choose the correct file type.
Computing abbreviations: Expand DTP. In publishing and design workflows, the computer abbreviation DTP refers to which activity? Choose the correct expansion.
Memory technologies: Identify the EEPROM family device. Which of the following is a type or example of Electrically Erasable Programmable Read-Only Memory (EEPROM)? Choose the correct option.
Materials science: Relate resistivity and conductivity with a simple formula. Given the resistivity (ρ) of a material and its conductivity (σ), what is the correct mathematical relationship between these two properties? Choose the correct relation.
Signal analysis: Define the second harmonic relative to the base tone. In frequency-domain terms, a signal’s second harmonic is how many times the signal’s fundamental frequency? Choose the correct description.
File formats: Recognize the purpose of the .BAK extension. On many systems and applications, files with the .BAK extension are typically used for what? Choose the correct file type.
Drives and controls: Expand VVVF in power electronics. In variable-speed motor drives, the abbreviation VVVF stands for what? Choose the correct expansion.
File formats: Recognize the purpose of the .MPG extension. In multimedia files, the .MPG extension is commonly associated with which content type or standard? Choose the correct file type.
Television standards: Identify a country using NTSC. The NTSC (National Television System Committee) analog TV standard has been used in several countries. Which of the following countries used NTSC? Choose the correct country.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion