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Computer Concepts

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Quiz on Telecommunications

After doing all parts of the lesson you should be able to answer these questions.

Write down the answers first. Click the check to check your answer.

Telecom is short for ____ answer

   Telecommunications

What percent of U.S. citizens own a smartphone? answer

   over 70%

The speed at which an electronic communications signal can change from high to low is called the signal ____ answer

   frequency

Name 3 types of cables. answer

   Twisted pair, Coaxial, Fiber-optic

Name some devices that use radio frequencies. answer

   FM radio, cell phones, baby monitors, garage door openers

Name some telecommunications connection devices. answer

   modem, modem, network adapter,Network Interface Card (NIC) Wireless adapter, Cellular devices

Name some network control devices. answer

   Hub, Switch, Repeater, Bridge, Gateway Router, Wireless access point, Firewall

Name a Cellular Carrier. answer

   Verizon, AT&T, T-Mobile, Sprint, ...

Wi-Fi is short for _______ answer

   wireless fidelity

What is Bluetooth? answer

   Bluetooth enables a wide assortment of digital devices to communicate directly with each other wirelessly over short distances.

What is RFID (*radio frequency identification) used for? answer

   It is used to identify and track products and is embedded in credit cards, cell phones, and other devices to enable wireless transactions at checkout counters and vending machines

What does GPS stand for? answer

   Global Positioning System

Please review the material for any questions you miss.

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