TED Unit 3 Study Guide

A small band gets a few of their family and friends together for a live concert. Which device would be considered to be the decoder?

• Microphone
• Amplifier
• Speaker
• CD Recorder

The family dog accidentally hit Tyrone's radio and broke off the antenna. What has happened to the radio?

• The source is damaged.
• The encoder is damaged.
• The transmitter is damaged.
• The receiver is damaged.

Denna is a dancer who creates videos teaching others to perform new dance moves. Denna puts the videos on a popular video website. Lian loves to watch Denna's videos and enjoys practicing the new moves. What is the purpose of the videos??

• Persuade
• Entertain
• Educate
• Manage

The Detroit Ave, a game company, posts a recruitment ad on a social media website where graphic designers share and critique work. The Detroit Ave advertisement is an example of which type of communication purpose?

• Persuade designers to apply for a job
• Inform designers about the upcoming release
• Educate designers on their video games
• Entertain designers with interesting graphics

Mr. Anderson has decided to ride the Amtrak train from North Carolina to Washington, DC. He orders his tickets online and pays with a gift card he received as a present. When he arrives at the depot, he goes up to a ticket machine and types in his confirmation number and he is dispensed a train ticket. What type of communication was Mr. Anderson engaged in at the train depot?:

• Human to human
• Human to machine
• Machine to human
• Machine to machine

A GPS system consists of a network of satellites in orbit and a ground-based receiver to determine its position. The GPS satellites and receiver use what type of communication?

• Human to Human
• Human to Machine
• Machine to Human
• Machine to Machine

A home is being built on the following criteria: uses local, natural, or recycled materials; places an emphasis on solar heating and cooling; will be off-the-grid, minimizing reliance on public utilities. Which construction method would be best?

• Insulated Concrete Forms
• Earthship
• Adobe
• Structural Insulated Panels

Closed-loop communication systems all have:

• digital signals, wires, and electronics.
• sensors, storage devices, and information displays.
• inputs, processes, outputs, and feedback.
• human operators, networks, and satellites dealing with input and output.

Amy is a pilot for a large company that is designing a new, fuel-efficient jet aircraft. Amy spends hours flying the plane using an aircraft simulator. In the simulator, Amy can take off, fly, and land the aircraft virtually. Amy's interaction with the simulator is what type of communication?

• Human to human
• Human to machine
• Machine to human
• Machine to machine

On a desktop computer, what is an example of an output device?

• Keyboard
• Mouse
• Printer
• Microphone