Unit 2 satellite and tele communication

What is the primary focus of telecommunications?

• Transmission of information over long distances
• Monitoring weather conditions

• Relaying signals through artificial satellites

• Providing global positioning systems (GPS)

Which of the following is an example of wired telecommunications?

• Mobile phones
  

• 
  Wi-Fi networks
  

• Cable television systems
  

• Navigation satellites

What is the uplink in satellite communications?

• Sending data from a satellite to a ground station
• Transmission of data between two satellites
• Transmission of data from a ground station to a satellite
• Receiving data from a satellite to a ground station

What is the role of ground stations in satellite communications?

• To monitor and regulate air traffic control
• To study the effects of space weather on satellite communications
• To communicate with satellites, track their movements, and control their operations.
• To provide internet access to remote areas

What is a significant application of satellite communications?

• Television broadcasting, internet access, and global positioning systems
• Morse code telegrams
• Smoke signals
• Carrier pigeon messaging

Which category includes emerging technologies like 5G in telecommunications?

• Wired Telecommunications
  

• Wireless Telecommunications
  

• Satellite Communications
  

• Weather Satellites

What do satellites in orbit around the Earth do in satellite communications?

• Transmit signals to each other
  

• Act as repeaters or relays for signals between communication devices on Earth
  

• Provide global positioning systems (GPS)
  

• Monitor and predict weather conditions

Which type of satellite is used for monitoring and predicting weather conditions?

• Spy satellite
• Communication satellite
• Navigation satellite
• Weather satellite

What is a challenge associated with satellite communications?

• Low data transfer speed
• Limited coverage area
• Signal interference and latency
• High cost of equipment

What is a component of satellite communications responsible for receiving and amplifying signals before retransmitting them back to Earth?

• Antenna
• Modem
• Router
• Transponder