Computer Science 1033A/B Lecture 4: COMPSCI 1033A-Week 4-Sarlo2018

• School: Western University
• Department: Computer Science
• Course: Computer Science 1033A/B
• Professor: Bryan Sarlo

Document Summary

Review questions: how big will a picture print that was saved at 50dpi and is 200 pixels by 200 pixels? (answer: 4 by 4 because 200/50) 11 inches of height, subtract out the margins - left with 9. 5 inches. Can t 2 lines per inch (1 line per 0. 5 inch) 9 inches is 18 lines, 9. 5 inches is 19 lines. Web server: a computer that delivers web pages. Client: the computer that is requesting access to the les/website/anything online. There can be many clients on a server at the same time (ex. Western students trying to access uwo. ca at the same time) Servers are always connected, always available, and well maintained. Number of di erent colour options for each pixel. Assume for each pixel, we have 1 bit to represent the colour. 1 bit could hold either 0 or 1 (no in between, no shades, ex. black or white)