EECS 1520 Chapter Notes - Chapter 1: Arpanet, 2009 Flu Pandemic Tables, Modula-2

• School: York University
• Department: Electrical Engineering and Computer Science
• Course: EECS 1520
• Professor: John Hofbauer

Document Summary

Computer system dynamic entity used to solve problems and interact with its environment. Computer hardware collection of physical elements that make up the machine and its related pieces. Boxes, circuits boards, chips, wires, disk drives, keyboards, monitors, printers etc. Computer software collection of programs that provide the instructions that a computer carries out. Numbers, text, images, audio, video represented in binary format. Gates and circuits control low of electricity in fundamental ways. Core electronic circuitry gives rise to central processing unit (cpu) and memory. Deals with software, instructions used to accomplish computations, manage data and solve problems. Help manage the way hardware devices, programs and data interact. Focus on using computer to solve speciic real-world problems. Connected to networks to share information and resources. Abstraction mental model that removes or hides complex details; leaves only information necessary to accomplish goal. Record numeric values where humans can perform basic arithmetic. Build mechanical machine (+, -) which performed whole-number addition and subtraction.