COMP 1047 Study Guide - Midterm Guide: Blu-Ray, Disk Partitioning, Dvd Recordable
3 Oct 2016
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Digital revolution: digital technologies ongoing influence towards social, political, and economic change. Digital technology: is based on: digital electronics and the idea that electrical signals can represent data, such as numbers, words, pictures, and music. Digitization: process of converting text, numbers, sound, photos, and video into data that can be processed by digital devices. Digital revolution: phase 1: data processing. Operated by trained specialists: phase 2: personal computing. No networking: phase 3: network computing. Internet was open for public use: phase 4: cloud computing provides access to information, applications, communications, and storage over the internet. In 2011: facebook had 750 million users, twitter had 200 million users. Computer: a multipurpose device that accepts input, processes data, stores data, and produces output, all according to a series of stored instructions. Computer used to mean a person who did calculations. Application software: is a set of computer programs that helps a person carry out a task, software applications (apps)
