Understanding Computers Today and Tomorrow Chapter 7 Quiz
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Questions and Answers

What is the main difference between a wired network and a wireless network?

  • The presence of physical cables to connect devices (correct)
  • The type of devices connected to the network
  • The use of radio waves to send data
  • The speed of data transmission

    • Which network topology connects all networked devices to a central device/server?

  • Mesh network
  • Bus network
  • Client-server network
  • Star network (correct)

    • What happens if the central device fails in a star network?

  • The network continues to function normally
  • The entire network becomes non-operational (correct)
  • Only the affected devices lose connectivity
  • The data transfer speed decreases

    • Which type of network uses a central cable to which all network devices connect?

    <p>Bus network</p> Signup and view all the answers

    What is the main characteristic of a mesh network?

    <p>Multiple connections among the devices on the network</p> Signup and view all the answers

    In a client-server network, what is the role of the server?

    <p>It processes client requests</p> Signup and view all the answers

    What do Personal Area Networks (PANs) connect?

    <p>An individual’s personal devices</p> Signup and view all the answers

    What is the main method of data transmission in a wireless network?

    <p>Using radio waves</p> Signup and view all the answers

    Which type of network architecture involves computers or other devices requesting and utilizing network resources?

    <p>'Client-server' networks</p> Signup and view all the answers

    What is the coverage area of Personal Area Networks (PANs)?

    <p>It is limited to an individual’s personal devices</p> Signup and view all the answers

    What is a computer network?

    <p>A collection of electronic devices connected together for sharing hardware, software, and data</p> Signup and view all the answers

    What is the largest computer network in the world?

    <p>The Internet</p> Signup and view all the answers

    What technology is used by satellite phones for communication?

    <p>Satellite technology</p> Signup and view all the answers

    What do GPS receivers determine?

    <p>The exact geographic location of the receiver</p> Signup and view all the answers

    Who commonly uses GPS receivers on the job?

    <p>Surveyors, farmers, and fishermen</p> Signup and view all the answers

    What is telemedicine?

    <p>Use of networking technology to provide medical information and services</p> Signup and view all the answers

    What does telemedicine involve?

    <p>Remote monitoring and consultations</p> Signup and view all the answers

    What is robot-assisted surgery?

    <p>Surgery performed by a remote-controlled robot at a different location than the patient</p> Signup and view all the answers

    What will be needed for long-term space exploration according to the text?

    <p>Telemedicine technology for space travelers' healthcare needs</p> Signup and view all the answers

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