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C 3

  1. 1. CLASS 3 Introduction to Computers
  2. 2. Let’s review <ul><li>1. What do the following chat acronyms mean? </li></ul><ul><li>AFAIK AFK BTW 411 IDK JK BFF FYI </li></ul><ul><li>2. What are these GUI items? </li></ul>a b c d e f g
  3. 3. How can I find out? <ul><li>Which of the websites below can: </li></ul><ul><li>1. help you find a language exchange partner. </li></ul><ul><li>2. explain the meaning of the phrase “dine and dash”. </li></ul><ul><li>3. turn a sentence into lolspeak. </li></ul><ul><li>4. check out different memes. </li></ul><ul><li>a) The Urban Dictionary (urbandictionary.com) </li></ul><ul><li>b) Know Your Meme (knowyourmeme.com) </li></ul><ul><li>c) Tealit (tealit.com) </li></ul><ul><li>d) Speak lolcat (http://speaklolcat.com) </li></ul>
  4. 4. Which Meme? <ul><li>1. Match the meme with the pictures. </li></ul>Sad Keanu Keyboard cat Star Wars kid Insane Set lolcats 2. Name the four phases of a meme.
  5. 5. Chat acronyms <ul><li>Chat acronyms </li></ul><ul><li>BZ - </li></ul><ul><li>mk/mmk - </li></ul><ul><li>HAK / H&K- </li></ul><ul><li>GSOH - </li></ul><ul><li>IIRC - </li></ul><ul><li>IM2BZ2P - </li></ul><ul><li>IRL - </li></ul><ul><li>kewl - </li></ul><ul><li>meh - </li></ul>
  6. 6. Chat acronyms <ul><li>Chat acronyms </li></ul><ul><li>BZ - Busy (Can’t talk now - BZ) </li></ul><ul><li>mk/mmk - Hmmm, OK (A: I love you! B: mmk) </li></ul><ul><li>HAK / H&K- Hugs and kisses (TTYL - H&K) </li></ul><ul><li>GSOH - Good Sense of Humor (He’s got a really GSOH) </li></ul><ul><li>IIRC - If I Remember Correctly (IIRC, the teacher cried!) </li></ul><ul><li>IM2BZ2P - I’m too Busy to Pee (Can’t talk - IM2BZ2P) </li></ul><ul><li>IRL - In Real Life (He’s really nice IRL) </li></ul><ul><li>kewl - Cool (No test today? kewl) </li></ul><ul><li>meh - Whatever, so what. ( A: I love you! B: meh) </li></ul>
  7. 7. URL Breakdown - as seen on commonjoedesigns.com <ul><li>The internet address below is also known as a: </li></ul><ul><li>a) URF b) USA c)UDK d) URL e) URL8 </li></ul><ul><li>http://jadekite.com/img/myDog.jpg </li></ul><ul><li>Match the terms below with the letters above. </li></ul><ul><li>file extension folder top level domain file name domain protocol </li></ul><ul><li>Name two examples of each of the following: </li></ul><ul><li>a. file extensions b. domains c. protocols d. top level domains </li></ul>A. B. C. D. E. F.
  8. 8. 1. ___________________________________________________ 2. ___________________________________________________ 3. ___________________________________________________ 4. ___________________________________________________
  9. 9. 1. The title : The first line of any search result is the title of the webpage. 2. The snippet : A description of or an excerpt from the webpage. 3. The URL : The webpage's address. 4. Cached link : A link to an earlier version of this page.
  10. 10. What are these modifiers called? Put the correct term next to each icon below. “ ” - ~ OR .. Exact Phrase Exclude Words Synonyms Multiple Words Numeric Range
  11. 11. What are these modifiers called? Put the correct term next to each icon below. “ ” - ~ OR .. Exact Phrase Exclude Words Synonyms Multiple Words Numeric Range
  12. 12. What are these searches? “ ” - ~ OR .. 1. “good student does” 2. English test -TOEFL 3. ~unattractive dog 4. university Seattle OR San Francisco 5. Taiwan Taekwondo champions 2004..2010 6. “Romeo without Juliet” 7. Friends -TV 8. Sleep OR study habits
  13. 13. Definition What it Does: Defines a word or phrase What to Type: define plethora What You’ll Get: links to definitions of the word “plethora”. define
  14. 14. site specific What it Does: Searches inside websites. What to Type: Library site:cycu.edu.tw What You’ll Get: Information about the library from the CYCU website. site:
  15. 15. current time What it Does: Returns the time of the city. What to Type: time Seattle What You’ll Get: The current time in Seattle, USA time
  16. 16. math answers What it Does: Basic calculator for math problems. What to Type: 4+7, 30% of 55, 20^2, sqrt(9), etc. What You’ll Get: 11, 16.5, 400, 3, and so on. 2+2
  17. 17. conversions What it Does: Changes measurements to another format. What to Type: cm in foot, 28c in f, $ in pound, days in fortnight, kph in speed of light, etc. What You’ll Get: 30.48 centimeters, 82.4 degrees Fahrenheit, 1.5398 US$, 14 days, 1.07925285 × 10 9  kph and so on. cm in inches
  18. 18. You Try. <ul><li>On your own, try to find: </li></ul><ul><li>Stories from the Apple Daily that mention 林志玲 </li></ul><ul><li>The square root of 1024 </li></ul><ul><li>The English definition for the word “emoticon” </li></ul><ul><li>How many liters are in a gallon </li></ul><ul><li>What time it is in Barack Obama’s house </li></ul>cm in inches 2+2 time site: define
  19. 19. <ul><li>THERE ARE 10 TYPES OF PEOPLE WHO UNDERSTAND BINARY - </li></ul><ul><li>THOSE WHO DO, AND THOSE WHO DON’T. </li></ul>Computer chips and binary
  20. 20. Computers are not smart. <ul><li>“ It may not look like it, but computers, behind all of their gloss and fancy glass effects are stupid.” http://osix.net/modules/article/?id=939 </li></ul><ul><li>At their most basic, computers are very very large collections of switches, or circuits, all on computer chips. </li></ul><ul><li>What is a computer chip? </li></ul><ul><li>A computer chip is a common term for a microprocessor or a microcomputer that is on a single integrated circuit. Taken from:  How Computer Chips Function | eHow.com   http://www.ehow.com/how-does_4690703_how-computer-chips-function.html#ixzz1YyPVhYLL </li></ul>
  21. 21. Making it count <ul><li>Humans have used many different ways to count. </li></ul>MMXI
  22. 22. Hands-on numbering <ul><li>Still, human number systems count by tens - we call our base ten counting method the </li></ul><ul><li>decimal system </li></ul><ul><li>Most experts believe that we count by tens because (surprise!) we have ten fingers. If we only had eight fingers on each hand, we would probably count in groups of sixteen. </li></ul>
  23. 23. I’m counting on you <ul><li>To count in decimal, you start with 0.  Every time you increment (add one to) the number you use another number.  This works great until you run out of numbers.  </li></ul><ul><li>0 1 2 3 4 5 6 7 8 9 ??? </li></ul><ul><li>At that point, you reset the number by making it 0 again and increment the number left of the original number.  Now the rightmost number starts over again.  </li></ul>
  24. 24. Just the two of us <ul><li>Switches only have two positions - “On” and “Off”. Either the switch is open, or closed. Computer chips store numbers in the same way. This is called Binary . </li></ul><ul><li>Binary has only two digits, so computers use binary to line up with the open/closed circuits.  Each computer has billions and billions of these circuits in its memory, organized in a way to keep track of very large numbers and very complex calculations.  </li></ul>
  25. 25. Just the two of us <ul><li>There are only two digits in binary, 0 and 1.  You count the same way, but you run out of digits very quickly.  </li></ul><ul><li>Here is binary from 0 to 10.  </li></ul><ul><li>0000 = 0 0001 = 1 0010 = 2 0011 = 3 0100 = 4 0101 = 5 0110 = 6 0111 = 7 1000 = 8 1001 = 9 1010 = 10 </li></ul><ul><li>Computers are stupid.  They can’t even count past one. </li></ul><ul><li>source: How they work: how computers store numbers using binary - National Using Computers | Examiner.com   http://www.examiner.com/using-computers-in-national/how-they-work-how-computers-store-numbers-using-binary#ixzz1YySTr2yx </li></ul>
  26. 26. <ul><li>WORK TOGETHER AND CHANGE THESE NUMBERS TO BINARY: </li></ul><ul><li>4 8 15 16 23 42 </li></ul><ul><li>USE BINARY TO ANSWER THE FOLLOWING: </li></ul><ul><li>TODAY’S DATE </li></ul><ul><li>HOW MUCH MONEY YOU PLAN TO SPEND FOR LUNCH </li></ul><ul><li>YOUR MOTHER’S AGE </li></ul><ul><li>HOW OLD YOU WANT TO BE WHEN YOU RETIRE </li></ul><ul><li>(BONUS) IS THERE AN EASIER WAY TO DO THIS? </li></ul>Now you try
  27. 27. Meme of the Day <ul><li>FAIL </li></ul><ul><li>http://knowyourmeme.com/memes/fail?search=1&utm_campaign=site_search&utm_source=web&utm_medium=search_results </li></ul>
  28. 28. Review <ul><li>What is decimal? What is binary? </li></ul><ul><li>What do you type into Google for the following: </li></ul><ul><li>What are the following chat acronyms? </li></ul>BZ - CWOT - HAK / H&K- GSOH - IIRC IM2BZ2P - IRL - kewl - meh Assignment 1: Get into groups of 4 students. You must give a presentation to the class. You need to introduce a meme. Make sure you explain all 4 phases of the meme. We will have one presentation a week for the rest of the semester. convert units time in a city results from one site math