Information technology

Smartphone sensor to monitor air pollution

Scientists at the Karlsruhe Institute of Technology, Germany, are developing a sensor, which attaches to a smartphone to measure particulate matter and fine dust particles in the air. The basic idea of smartphone-based sensing, was to track the level of pollution by drawing up a pollution map, which could be very helpful in tracking city […]

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Cell phones

Many millennial are defined by their social lifestyle. They like mainstream music, the party scene and staying up to date on the latest social news. Images of people swimming, running, biking and skateboarding on Samsung website suggest that Samsung buyers may be interested in Active and adventurous lifestyles. Twenties tells an example of Samsung attempts […]

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Technology in Action Chapter 7

4G The latest mobile communication standard with faster data transfer rates than 3G backward compatibility The accommodation of current devices being able to use previously issued software standards in addition to the current standards. bandwidth The maximum speed at which data can be transmitted between two nodes on a network; usually measured in megabits per […]

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true A distributed denial-of-service (DDoS) attack involves hundreds of computers working together to bombard a Web site with thousands of requests for information in a short period. true Fiber-optic cables have a higher capacity, smaller size, lighter weight, lower attenuation, and higher security than other cable types. true Data communication technologies make, Web and video […]

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Storage Media Media, such as hard disks, solid-state drives, USB flash drives, memory cards, and optical discs, on which a computer keeps data, instructions, and information Storage Device Device that records (writes) and/or retrieves (reads) items to and from storage media Which of the following high-speed Internet connections use an antenna on a house or […]

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Bus 230 Chapt 10 T/F

In a networked environment, no authorized computer user can access data and information stored on other computers on the network. False Users connected to a network have access to software on the network. True The main differentiation among network classifications is whether they are wired or wireless. False An extranet essentially is a small version […]

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Testout Chapter 6

Which of the following is the best definition for a LAN? A network in a small geographic area, like in an office. Explanation A LAN is a network in a small geographic area, like in an office. A WAN is a network whose computers and servers are geographically far apart but still connected. A PAN […]

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computer science exam #2

The web is based on the ________ Protocol. A) Hypertext Translate B) Hypertext Transfer C) Hypertext Trade D) Hypertext Transmit B) hypertext transfer The browser feature where tabs are independent of each other is known as ________. A) pinned tabs B)tab isolation C)privacy browsing D) free tabs B) tab isolation Which of the following is […]

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CSCI 1070

Link You click a ____ to go from on Web page to another. networks The Internet connects millions of computers connected through millions of ____ worldwide. e-commerce Buying and selling products via electronic channels such as the Internet is called ___. VoIP You use ____ when your telephone calls travel over the Internet instead of […]

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computers ch. 3

When an instrument in the dashboard of your car informs you the air pressure in the right rear tire is low, what type of computer determines the air pressure is low? embedded computer You have a new e-book reader and your are expecting to be away on a long hike with it. How many hours […]

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