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

Which of the following functions is not carried by a modem?

  1. Modulation of digital signals into analogue

  2. Modulation of analogue signals into digital

  3. Modulation of data into images

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A modem is an external or internal device whose function is to transmit digital data over communication lines. Traditional modems once used frequently with dial-up networks convert analog data from telephone lines into computer digital data. Broadband modems transfer digital data between two digital devices. However, they do not modulate data into images.

Multiple choice

Which of the following statements is incorrect?

  1. FDM is preferred for analog signals over TDM.

  2. TDM requires synchronisation.

  3. Full available bandwidth of channels can be utilised for each channel in FDM.

  4. FDM stands for frequency division multiplexing.

  5. -
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is an incorrect option because in FDM, the available bandwidth is shared among signals. So, it is not possible to utilise full available bandwidth for each channel. It is only possible in TDM.

Multiple choice

Frequency limiting

  1. is the property of the medium

  2. is used by using filter to limit the amount of bandwidth available to customer

  3. 1 & 2

  4. none
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

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Multiple choice

Unguided media is

  1. Coaxial cable

  2. Twisted pair

  3. Fiber

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

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Multiple choice

Which medium of transmission is used in SONET?

  1. Laser beam

  2. Fiber optics

  3. Coaxial cable

  4. Radio transmission

  5. LED
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Synchronous Optical Networking (SONET) is a standardised protocol that transfers multiple digital bit streams over optical fiber using lasers or highly coherent light from light-emitting diodes (LEDs).

Multiple choice

What kind of device is a walkie talkie?

  1. Simplex

  2. DCE

  3. Half duplex

  4. DTE

  5. Duplex
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In half duplex mode, data can flow in both directions but only one at a time. Hence, a walkie talkie is half duplex.

Multiple choice

I watch TV

  1. Ich sehe TV

  2. fernsehen

  3. ich sehe fern

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

The verb for 'watching TV' is the separable verb 'fernsehen'. In a main clause, 'sehe' is conjugated and 'fern' goes to the end.

Multiple choice

Fernseher

  1. der

  2. die

  3. das
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The noun 'Fernseher' is masculine in German, requiring the definite article 'der'.

Multiple choice evs - i communication and mass media understanding communication and impact of mass media satellites in communication importance of transport system artificial satellite

The downlink frequency in the C-band transponder is about

  1. 6 GHz

  2. 4 GHz

  3. 14 GHz

  4. 11 GHz
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

$Answer:-$ B

$C-Band(4-8GHz)$

Primarily used for satellite communications, for full-time satellite TV networks or raw satellite feeds. Commonly used in areas that are subject to tropical rainfall, since it is less susceptible to rainfade than Ku band (the original Telstar satellite had a transponder operating in this band, used to relay the first live transatlantic TV signal in 1962).