CS 202 MODULE 1 NOTES
CS 202 MODULE 1 NOTES CS 202
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This 2 page Study Guide was uploaded by Kayla Peel on Tuesday March 29, 2016. The Study Guide belongs to CS 202 at University of Alabama - Tuscaloosa taught by Ralph E. Hooper in Winter 2016. Since its upload, it has received 31 views. For similar materials see Intro to the Internet in ComputerScienence at University of Alabama - Tuscaloosa.
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Date Created: 03/29/16
MODULE 1 Binary Digit o Bits: short for binary digit – a digit that can be a 1 or 0. The smallest unit of information that a digital electronics device can manipulate. o Bytes: a group of 8 bits. ASCII (American Standard Code for Internet Interchange) o Was originally a 7bit code; added 1 more bit > internet checking (worked) o The way we code English Web o Needed more representational power o UNICODE: 2 Bytes= 16 bits; universal code – 2^16=65,000 Terms o Digital Native: a person who has been familiar with computers, the internet, and other digital technology from a young age. o Ubiquitous Computing: a concept in software engineering and computer science where computing is made to appear anywhere/everywhere. o Computer Literacy: basic, nontechnical knowledge about computers and how to use them; familiarity and experience with computers, software, and systems. o Computer Fluency: captures the essence of business expectations. o Sampling: to digitize sound, measure the amplitude of a sound wave thousands of times per second. o Digitization (digitizing): the process of transforming information, such as text, images, and sounds, into a digital representation so that it can be stored and processed by computers. o Hardware: the tangible parts of the computer that take up physical space. o Software: the electronic instructions that tell the computer what to do. o Accessible Computing: refers to the provision of equal access of computers and information technology for individuals with disabilities. o Character Encoding: the representation of characters on the keyboard with bytes. o Green Computing: refers to the efforts of individuals, businesses, and governments to utilize environmentally conscious practices in the manufacturing and use of digital technology. o Digital Divide: refers to the social and economic gap between those who have access to computers and the internet and those who do not. o Information Overload: refers to individuals and organizations inability to cope with the huge and growing amount of information being collected, stored, analyzed, and delivered. o Digital Etiquette: refers to using digital technology in a manner that is respectful to others. o Computerbased Violence: refers to acts of interactive simulated violence provided by computer games. o Computer Addictions: refers to the compulsive use of digital technology such as the internet, video games, online gambling, and pornography. o Repetitive Stress Injury (RSI): when a particular physical motion is repeated frequently, to the point of injury. o Distracted Driving: when a drivers focus in their cell phones or other distractions rather than on the road. Codes of Ethics o Personal Computer Ethics: refers to the responsible use of computers by individuals outside of professional environments. o Professional Computer Ethics: the ethical issues faced by professionals in their use of computer systems as part of their jobs. o Governmental Computer Ethics: refers to a governments responsibility to create laws to protect citizens from unethical computer use and provide citizens with equal access to computers and information technologies as well as their benefits.
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