PC PRO Chap 9 Key Terms

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Across
  1. 1. The plastic casing around an electronic device's screen.
  2. 5. A mobile communications standard used by 5G.
  3. 6. A feature that measures the vertical and horizontal orientation of the device.
  4. 9. A port on a mobile device that enables devices to exchange data without using cables.
  5. 12. A troubleshooting tool that identifies issues in installed apps.
  6. 15. A system power state where they system appears to be off, but volatile memory is refreshed and some components remain powered so the computer can wake up quickly if it receives input from a keyboard, LAN, or USB device.
  7. 16. A troubleshooting tool for Wi-Fi connectivity issues that identifies the number of broadcasting APs, displays the signal strength and channel of each wireless network, and obtains wireless network information such as the network type, data activity, and service provider.
  8. 19. A semiconductor device that emits light when an electric current passes through it.
  9. 21. A physical location where you can obtain wireless Internet access using a wireless local area network (WLAN) with a router connected to an internet service provider.
  10. 22. Connecting one device to another.
  11. 23. A power supply that converts DC power from a computer to AC power for a screen.
  12. 24. The package file format used by the Android operating system for the distribution and installation of mobile apps and middleware.
  13. 25. A unique number given to every single mobile phone. The number is typically found behind the battery.
Down
  1. 2. A proprietary computer bus and power connector created by Apple Inc. to replace its previous proprietary 30-pin dock connector.
  2. 3. A mobile virtual private network (mobile VPN) provides mobile devices with access to network resources and software applications on their home network when they connect using other wireless or wired networks.
  3. 4. A wireless technology standard for exchanging data over short distances from fixed and mobile devices and for building personal area networks (PANs).
  4. 7. A troubleshooting tool for cellular network connectivity issues that reports signal strength, interference number of cell towers in the area, the location of each cell tower, and mobile network information such as the network type, data activity, and service provider.
  5. 8. A set of software development tools that allows the creation of applications for a certain software package, software framework, hardware platform, computer system, video game console, operating system, or similar development platform.
  6. 10. Detects the physical movements of the tablet by measuring its linear acceleration in one dimension.
  7. 11. The light that illuminates an LCD screen so that images on the screen are visible.
  8. 13. A telecommunications interface standard used on an Integrated Services Digital Network (ISDN) to carry multiple DS0 voice and data transmissions between the network and a user.
  9. 14. A database residing in a wireless device that contains information used during the system selection and acquisition process.
  10. 17. An electronic display system that switches pixels on and off using liquid crystals that rotate polarized light.
  11. 18. A space-based navigation system that provides location and time information in all weather conditions anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites.
  12. 20. A system power state where the system appears to be off and power consumption is reduced to a lower level.
  13. 25. A unique identifier that defines a subscriber in the wireless world, including the country and mobile network to which the subscriber belongs. The IMSI is one of the pieces of information stored on a SIM card.