[01:198:170] - Midterm Exam Guide - Everything you need to know! (67 pages long)

• School: Rutgers University
• Department: Computer Science
• Course: 01:198:170
• Professor: Stephen Stoll

Document Summary

Information technology (it): study & use of systems for storing, trading, sending & processing: computer taking raw data, process it, convert to info & store it. How we do business: cloud services: dropbox, icloud, google drive, world wide web: allows us to sell products around the world, data analysis: nding out data about customers & target market, social media, video games. Data: digitizing information: data represented as numbers, machines reading digital info breakthrough, without software, a computer = worthless. Hardware can just process simple instructions very fast. Computers only recognize the presence or absence of something: first case of digitized info = 1890 census data. Punch cards digitized a 8 year process that was done by hand: we are able 2 capture more complex data thanks 2 digitalization (makes the process of collecting info much easier & ef cient) Most electricity used in computers = fans that cool down chip & hardware.