Exam 1: Introducing Today S Technologies
List and describe the three main examples of wireless communications technologies described in the chapter.
Student descriptions will vary but they should touch on the three technologies listed below:
• Wi-Fi uses radio signals to provide high-speed Internet and network connections to computers and devices capable of communicating via Wi-Fi. Most computers and many mobile devices, such as smartphones and portable media players, can connect to a Wi-Fi network.
• Bluetooth uses short-range radio signals to enable Bluetooth-enabled computers and devices to communicate with each other. For example, Bluetooth headsets allow you to connect a Bluetooth-enabled phone to a headset wirelessly.
• Cellular radio uses the cellular network to enable high-speed Internet connections to devices with built-in compatible technology, such as smartphones. Cellular network providers use the categories 3G, 4G, and 5G to denote cellular transmission speeds, with 5G being the fastest.
COGNITIVE ASSESSMENT Which of the following gestures would you use if you want to activate a mode that enables you to move an item with one finger to a new location on your new tablet?
C
When you instruct a computer or mobile device to run an application, the computer or mobile device ____________________ its software, which means the application is copied from storage to memory.
loads
Never start a computer with removable media inserted in the computer unless you are certain the media is uninfected.
____________________ software consists of the programs that control or maintain the operations of the computer and its devices.
Examples of communications devices are routers, wireless access points, and modems.
In which gesture do you press and hold one finger on an object and then move the finger to the new location?
Examples of mobile users include engineers, scientists, architects, desktop publishers, and graphic artists.
A password is a unique combination of characters, such as letters of the alphabet or numbers, that identifies one specific user.
COGNITIVE ASSESSMENT If a tablet has no keyboard, how do you type on it?
Wi-Fi uses short-range radio signals to enable specially enabled computers and devices to communicate with each other.
A(n)____________________ is an input device that converts printed material into a form the computer can process.
In which of the following mouse operations do you point to an item, hold down the left mouse button, move the item to the desired location on the screen, and then release the left mouse button?
COGNITIVE ASSESSMENT Which of the following is an example of data on a grade report?
COGNITIVE ASSESSMENT If your friend is playing a game on a computer, on what type of device would he see a big explosion within the game?
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