Podcast
Questions and Answers
Which of the following provides a fast alternative to traditional mail?
Which of the following provides a fast alternative to traditional mail?
- Instant messaging
- Internet telephone
- E-mail (correct)
- Electronic commerce
What type of cable consists of pairs of copper wire that are twisted together?
What type of cable consists of pairs of copper wire that are twisted together?
- Coaxial cable
- Fiber optic cable
- Ethernet cable
- Twisted-pair cable (correct)
Which communication system supports live electronic communication, similar to WhatsApp?
Which communication system supports live electronic communication, similar to WhatsApp?
- Internet telephone
- Electronic commerce
- Instant messaging (correct)
What is the actual connecting or transmission medium that carries the message in a communication channel?
What is the actual connecting or transmission medium that carries the message in a communication channel?
Which type of cable is a high-frequency transmission cable that replaces the multiple wires of telephone lines with a single solid copper core?
Which type of cable is a high-frequency transmission cable that replaces the multiple wires of telephone lines with a single solid copper core?
What provides a very low-cost alternative to long-distance telephone calls?
What provides a very low-cost alternative to long-distance telephone calls?
What type of communication uses radio signals to communicate between wireless devices?
What type of communication uses radio signals to communicate between wireless devices?
What is the term for sending data to a satellite?
What is the term for sending data to a satellite?
Which type of modem uses standard phone lines to create high-speed connections?
Which type of modem uses standard phone lines to create high-speed connections?
What is the measurement of the width or capacity of the communication channel?
What is the measurement of the width or capacity of the communication channel?
Which protocol is the standard protocol for the internet and involves breaking information into small parts for transmission across the internet?
Which protocol is the standard protocol for the internet and involves breaking information into small parts for transmission across the internet?
What is the name of the process of converting from digital to analog?
What is the name of the process of converting from digital to analog?
Which type of communication uses waves to communicate over short distances?
Which type of communication uses waves to communicate over short distances?
Which type of communication provides wireless connection to the internet using 3G and 4G cellular networks?
Which type of communication provides wireless connection to the internet using 3G and 4G cellular networks?
What is the term for receiving data from a satellite?
What is the term for receiving data from a satellite?
What is the name for the unique numeric address that every computer on the internet has?
What is the name for the unique numeric address that every computer on the internet has?
What is the term for the process of sharing data, programs, and information between two or more computers?
What is the term for the process of sharing data, programs, and information between two or more computers?
Which type of cable consists of a single solid copper core and is used for high-frequency transmission?
Which type of cable consists of a single solid copper core and is used for high-frequency transmission?
What provides a low-cost alternative to long-distance telephone calls through electronic means?
What provides a low-cost alternative to long-distance telephone calls through electronic means?
Which protocol involves breaking information into small parts for transmission across the internet and is considered the standard protocol for the internet?
Which protocol involves breaking information into small parts for transmission across the internet and is considered the standard protocol for the internet?
What is the term for electronic systems that transmit data from one location to another?
What is the term for electronic systems that transmit data from one location to another?
What is the actual connecting or transmission medium that carries the message in a communication channel called?
What is the actual connecting or transmission medium that carries the message in a communication channel called?
What is the term for a small plug-in USB or express card used to provide wireless connection to the internet?
What is the term for a small plug-in USB or express card used to provide wireless connection to the internet?
Which type of communication uses high-frequency radio waves?
Which type of communication uses high-frequency radio waves?
What is the name of the process of converting from digital to analog?
What is the name of the process of converting from digital to analog?
Which type of cable is used as a high-frequency transmission cable and replaces the multiple wires of telephone lines with a single solid copper core?
Which type of cable is used as a high-frequency transmission cable and replaces the multiple wires of telephone lines with a single solid copper core?
What is the term for receiving data from a satellite?
What is the term for receiving data from a satellite?
Which type of modem uses standard phone lines to create high-speed connections?
Which type of modem uses standard phone lines to create high-speed connections?
What is the measurement of the width or capacity of the communication channel?
What is the measurement of the width or capacity of the communication channel?
What is the name for the unique numeric address that every computer on the internet has?
What is the name for the unique numeric address that every computer on the internet has?
Which protocol is the standard protocol for the internet and involves breaking information into small parts for transmission across the internet?
Which protocol is the standard protocol for the internet and involves breaking information into small parts for transmission across the internet?
What type of communication provides wireless connection to the internet using 3G and 4G cellular networks?
What type of communication provides wireless connection to the internet using 3G and 4G cellular networks?
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Study Notes
Communication Systems
- Email provides a fast alternative to traditional mail.
Cables
- Twisted pair cable consists of pairs of copper wire twisted together.
- Coaxial cable is a high-frequency transmission cable that replaces multiple wires of telephone lines with a single solid copper core.
Communication Types
- Live electronic communication, similar to WhatsApp, is supported by Instant Messaging.
- Radio Frequency (RF) communication uses radio signals to communicate between wireless devices.
- Microwave communication uses high-frequency radio waves.
- Wireless communication provides wireless connection to the internet using 3G and 4G cellular networks.
Modems and Internet
- Digital Subscriber Line (DSL) modem uses standard phone lines to create high-speed connections.
- Internet Protocol (IP) is the standard protocol for the internet and involves breaking information into small parts for transmission across the internet.
- Bandwidth is the measurement of the width or capacity of the communication channel.
- An IP address is the unique numeric address that every computer on the internet has.
Satellite Communication
- Uplinking is the term for sending data to a satellite.
- Downlinking is the term for receiving data from a satellite.
Analog and Digital
- Modulation is the process of converting from digital to analog.
Networking
- Networking is the term for the process of sharing data, programs, and information between two or more computers.
Miscellaneous
- Wi-Fi adapter is a small plug-in USB or express card used to provide wireless connection to the internet.
- Telecommunication is the term for electronic systems that transmit data from one location to another.
- Transmission medium is the actual connecting or transmission medium that carries the message in a communication channel.
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