COMP 1103 Lecture Notes - Ransomware, Auxiliary Memory, Logic Bomb

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Document Summary

Digitization: about the social and individual implications and impacts of technology. Digital convergence: the use of a single device to handle, internet, entertainment, and telephony needs ex. Standardization of protocols and hardware: e. g. ieee or bluetooth technology. Telephony: using equipment to provide voice communications over a distance, originally analog, now digital. Cell: a geographic area centered around a base transceiver station, coordinated by mobile switching center. Analog-to-digital converter chip: converts voice into digital signals. Digital data is transmitted as a radio wave. Digital signal processor on destination phone decompresses incoming message. Amplifier boots signal and it is passed on to the speaker. Smartphone output devices: speaker, liquid crystal display (lcd) or oled. Synchronizing: the process of updating your data so your to-do lists, schedules and other files on your cell phone and computer are the same. Short message service (sms): up 160 characters of text transmitted over cell phone network.

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