General Awareness

Broadcasting and Television Media

1,065 Questions

Broadcasting and television media questions cover mass communication, signal transmission, and entertainment channels. These topics are frequently included in the general awareness sections of competitive exams. Answer these questions to stay updated on communication technologies.

AM broadcasting frequencyMass communication typesTelevision signal transmissionIndian television channelsDigital versus analog signals

Broadcasting and Television Media Questions

Multiple choice

What is the fundamental principle behind radio broadcasting?

  1. The transmission of sound waves through the air

  2. The conversion of sound waves into electrical signals

  3. The modulation of radio waves with electrical signals

  4. The amplification of radio waves for transmission
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Radio broadcasting involves the modulation of radio waves with electrical signals, which are generated by converting sound waves into electrical signals.

Multiple choice

What is the process of modulating radio waves with electrical signals called?

  1. Modulation

  2. Demodulation

  3. Transduction

  4. Amplification
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The process of modulating radio waves with electrical signals is called modulation. This process involves varying the amplitude, frequency, or phase of the radio waves in accordance with the electrical signals.

Multiple choice

What are the two main types of modulation used in radio broadcasting?

  1. Amplitude modulation (AM) and frequency modulation (FM)

  2. Phase modulation (PM) and single-sideband modulation (SSB)

  3. Pulse modulation (PM) and code modulation (CM)

  4. Delta modulation (DM) and adaptive delta modulation (ADM)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The two main types of modulation used in radio broadcasting are amplitude modulation (AM) and frequency modulation (FM).

Multiple choice

What is the frequency range used for AM broadcasting in India?

  1. 530 kHz to 1700 kHz

  2. 88 MHz to 108 MHz

  3. 2.4 GHz to 5 GHz

  4. 5 GHz to 6 GHz
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The frequency range used for AM broadcasting in India is 530 kHz to 1700 kHz.

Multiple choice

What is the frequency range used for FM broadcasting in India?

  1. 530 kHz to 1700 kHz

  2. 88 MHz to 108 MHz

  3. 2.4 GHz to 5 GHz

  4. 5 GHz to 6 GHz
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The frequency range used for FM broadcasting in India is 88 MHz to 108 MHz.

Multiple choice

What was the first underwater television system?

  1. Bathyscaphe Trieste

  2. Conshelf I

  3. Sealab I

  4. Hydro-Lab
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Bathyscaphe Trieste was the first underwater television system. It was used by Jacques Piccard and Don Walsh to reach the deepest point in the ocean, the Mariana Trench, in 1960.

Multiple choice

What is the maximum data rate that can be achieved with 16QAM 3/4 in the uplink channel?

  1. 1 Gbps

  2. 2 Gbps

  3. 3 Gbps

  4. 4 Gbps
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The maximum data rate that can be achieved with 16QAM 3/4 in the uplink channel is 2 Gbps.

Multiple choice

What is the maximum data rate that can be achieved with 16QAM 3/4 in the downlink channel?

  1. 1 Gbps

  2. 2 Gbps

  3. 3 Gbps

  4. 4 Gbps
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The maximum data rate that can be achieved with 16QAM 3/4 in the downlink channel is 4 Gbps.

Multiple choice

What is the maximum data rate that can be achieved with 16QAM 3/4 in the MIMO channel?

  1. 1 Gbps

  2. 2 Gbps

  3. 3 Gbps

  4. 4 Gbps
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

The maximum data rate that can be achieved with 16QAM 3/4 in the MIMO channel is 8 Gbps.

Multiple choice

What is the maximum data rate that can be achieved with 16QAM 3/4 in the beamforming channel?

  1. 1 Gbps

  2. 2 Gbps

  3. 3 Gbps

  4. 4 Gbps
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

The maximum data rate that can be achieved with 16QAM 3/4 in the beamforming channel is 16 Gbps.

Multiple choice

Which of the following is NOT typically included in the standard in-flight entertainment system?

  1. Movies

  2. TV Shows

  3. Music

  4. Live Sports Broadcasts
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Live sports broadcasts are not commonly available as part of the standard in-flight entertainment system due to bandwidth limitations and the need to prioritize other forms of entertainment.

Multiple choice

Which of the following is not a type of spacecraft communication system: radio frequency, optical, or laser?

  1. Radio frequency

  2. Optical

  3. Laser

  4. Microwave
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Microwave is not a type of spacecraft communication system. Microwave communication systems are used for terrestrial applications, not for spacecraft communication.

Multiple choice

Which television network broadcast the first World Series game?

  1. NBC

  2. CBS

  3. ABC

  4. ESPN
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

NBC was the first television network to broadcast a World Series game in 1947.

Multiple choice

Which channel coding scheme combines multiple component codes to achieve high coding gains?

  1. Polar Codes

  2. LDPC Codes

  3. Turbo Codes

  4. Convolutional Codes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Turbo codes utilize multiple component codes and iterative decoding to achieve significant coding gains, resulting in improved error correction performance and increased data throughput.

Multiple choice

Which channel coding technique is characterized by its layered structure and efficient decoding algorithm?

  1. Polar Codes

  2. LDPC Codes

  3. Turbo Codes

  4. Convolutional Codes
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Polar codes are structured with a layered design and employ a successive cancellation decoding algorithm, resulting in efficient decoding processes and improved error correction performance.