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Questions and Answers
What is the primary function of connection devices in a communication system?
What is the primary function of connection devices in a communication system?
- To precisely define how the message will be sent across the communication channel
- To act as an interface between sending and receiving devices and the communication channel (correct)
- To convert from digital to analog and vice versa
- To originate and accept messages in the form of data, information, and/or instructions
Which type of modem is typically connected to the system unit through a USB port?
Which type of modem is typically connected to the system unit through a USB port?
- Cable Modem
- Telephone Modem (correct)
- DSL (digital subscriber line) modem
- Wireless Modem
What does a DSL modem use to create a high-speed connection directly to the phone company’s offices?
What does a DSL modem use to create a high-speed connection directly to the phone company’s offices?
- Coaxial cable
- Fiber-optic cable
- Standard phone lines (correct)
- Twisted pair
What is the primary function of a cable modem?
What is the primary function of a cable modem?
What are data transmission specifications in a communication system?
What are data transmission specifications in a communication system?
What is the actual connecting or transmission medium that carries the message in a communication system?
What is the actual connecting or transmission medium that carries the message in a communication system?
What is the primary function of a wireless modem?
What is the primary function of a wireless modem?
Which of the following is a characteristic of computer communications?
Which of the following is a characteristic of computer communications?
What is the primary purpose of connectivity in computer networks?
What is the primary purpose of connectivity in computer networks?
What accurately describes electronic systems in the context of communication systems?
What accurately describes electronic systems in the context of communication systems?
What is a key characteristic of Internet telephone in computer communications?
What is a key characteristic of Internet telephone in computer communications?
What accurately describes the process of texting in computer communications?
What accurately describes the process of texting in computer communications?
In computer communications, what is the primary function of e-mail?
In computer communications, what is the primary function of e-mail?
What is computer communications?
What is computer communications?
Which of the following provides a fast, efficient alternative to traditional mail by sending and receiving electronic documents?
Which of the following provides a fast, efficient alternative to traditional mail by sending and receiving electronic documents?
What concept is related to using computer networks to link people and resources?
What concept is related to using computer networks to link people and resources?
What does connectivity allow you to do?
What does connectivity allow you to do?
What are communication systems?
What are communication systems?
Which of the following provides very efficient direct text communication between individuals using short electronic messages?
Which of the following provides very efficient direct text communication between individuals using short electronic messages?
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Study Notes
Connection Devices in Communication Systems
- The primary function of connection devices is to connect and transmit data between devices in a communication system.
Modem Types
- A USB modem is typically connected to the system unit through a USB port.
- A DSL modem uses a phone line to create a high-speed connection directly to the phone company's offices.
- The primary function of a cable modem is to provide a high-speed internet connection through a cable television network.
Data Transmission
- Data transmission specifications define the speed and quality of data transmission in a communication system.
- The actual connecting or transmission medium that carries the message in a communication system is the physical or wireless medium, such as a phone line or Wi-Fi.
Wireless Modem
- The primary function of a wireless modem is to provide a wireless internet connection.
Characteristics of Computer Communications
- One characteristic of computer communications is the ability to transmit data quickly and efficiently.
Purpose of Connectivity
- The primary purpose of connectivity in computer networks is to enable communication and data transfer between devices.
Electronic Systems
- Electronic systems in the context of communication systems are computer-based systems that enable data transmission and communication.
Internet Telephone
- A key characteristic of Internet telephone in computer communications is the ability to make voice calls over the internet.
Texting
- The process of texting in computer communications involves sending and receiving short electronic messages, known as text messages.
- The primary function of e-mail in computer communications is to send and receive electronic documents, providing a fast and efficient alternative to traditional mail.
Computer Communications
- Computer communications refer to the process of transmitting and receiving data, including text, images, and voice, between devices using computer networks.
Communication Systems
- Communication systems are networks of devices that enable data transmission and communication between individuals and devices.
Connectivity
- Connectivity allows you to communicate and share data with others, and to access and share resources, such as files and devices.
Text Messaging
- Text messaging provides a very efficient direct text communication between individuals using short electronic messages.
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