1) Kate thinks that the _____ of electricity was one of the most important in the history a) development b) discovery c) innovation 2) My phone is running out of battery, I need to____ it a) leave b) take  c) charge 3) The new phone uses the latest tecnology in______ a) touchscreen b) intelligence c) camera 4) The company has just spent $1 million updating our computer ______ a) update b) upgrade c) network 5) Make sure you make a _____ of your report in case something happens to it. a) back-up b) database c) upgrade 6) The ______of my computer doesn´t work properly. a) screen b) keyboard c) browser 7) The voluntary scheme will provide a central____. a) database b) appearance c) system 8) The hacker could take complete control of the mobile phone via its___connection. a) Wi-fi b) internet c) powerful

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