5th Grade Presentation
Transcript: Special Hidden Message reader: S Toxic Taste All On 3-9 Counting Alternatives Summary Picture viewer: Greenish-Blue Ski O N C E ASCII Chart 4 2 Soccer Some flags: up / down 100s Using convention (or rules) to interpret signals. Binary 110 Green Saying Hello when answering the phone. 001 1. A condition or mode of being, as with regard to circumstances: a state of confusion. 2. A condition of being in a stage or form, as of structure, growth, or development: the fetal state. ... 5. Physics The condition of a physical system with regard to phase, form, composition, or structure: Ice is the solid state of water. Communication Say every 20 pixels you hijack the color information for that pixel and encode your hidden characters (letters). In some other cultures and languages they have different symbols that mean 5. Tiny Bit of Math Black 000 2^3 0 Me Required For: There is a herd of 50 buffalo between us. Anti-Bully Safe The Colonel is two mountains over, fishing, and they've set up camp. Base10 Decimal Hand Signal 10^2 What was all this about? BOTH arms = How many bits: Encoding is Efficient What if we were aliens with 6 fingers on each hand? 1 Computers ;) Less noticeable in big pictures. RIGHT arm = 10s We know how to count! What are you talking about? 5 is just a representation... a symbol. What? No really, it is. I'll show you. LEFT arm = 4 3 On/Off Switches Bit This most basic communication? Being in a state of one of two mutually exclusive conditions such as on or off, true or false, molten or frozen, presence or absence of a signal. Binary states are often abstracted as 1 and 0 in computer science. Why do we have 10 distinct representations for numbers? White Flipping a coin: heads / tails Bit Pattern 2 Arms good. Big, see. Fingers small. Megabit Smoke Signal: smoke / no-smoke Not enough representations for good communication. Kind of an agreed upon way of doing things! ? Hidden Messages in Pictures More representations in a digit and the number of digits increase combinations. Password rules? Jumps Communication with basic signals. RED SET OF HANDS RED Hunting & Encoding Meaning That odd thing that happens after 9? Speaking English Smoke Signals History 32bit Binary Digit Just Like Dad How many colors can you store in 3 Bits? Raising your hand --Wikipedia Scott Serr Counting Decimal Numbers Magnet Pole: N or S Light switch: on / off Long Jump We raise arms. 1 arm = 2 arms = Brilliant! Expectations? Bikes BLUE Raising your Hand: up / down Drive on the right side of the road. Dogs Auto Body We raise arms. and Coding Basically all information can be encoded in Bits... Huh? Bring you bacon? 1s Train Signals "Railway semaphore" Numbers Stations It's small but important. It's like the atom of the information and electronic world. Blue something used for or regarded as representing something else; a material object representing something, often something immaterial; emblem, token, or sign. One's Place Seems like everything in communication is a symbol. Storing Colors! Trouble DANGER TROUBLE HELP 01010011 All Off 32s There's nothing special about 10, except we have that many fingers. 10^0 Motorcycles One of these "On/Off" states is called a 4 States are possible, right? We've seen a that a digit in our counting system normally holds 10 distinct symbols. Computer Science Degree Real World Colors Camping Cars 1 BLUE 0 We run out of representations that fit in the "one's" place. Computer power: 1 / 0 What about top up, and bottom down. Burnt Toast 011 Signals your Senses Mom We raise arms. 1-2 Struggled with Long Division on Stereo 2s Car's Turn Signal "Software Guy" 2^5 the expression or designation by some term, character, symbol, or the like. Base2 Binary are very important and sometimes frustrating. Summary Confusing if things aren't done the way you are used to. 1 1968? Running Board Close button (X) on upper right of computer window. I was a 5th Grader Rows and Rows and Rows of 'em! 8s Pain Number Systems and Patterns Symbols Planning out new signals... Smoke Signals Look around?! Liked TOES? Counting LIKE A BOSS Dad State Counting, ? Because there are 2 flags (top, bottom) with 2 states (up or down)... Lets Look. Traffic Signal Representation a single, basic unit of information, used in connection with computers and information theory. Communication, "Binary" or "Digital" What does 5 mean? 101 Radio Controlled Conventions Holding 10 distinct symbols... means it hold 10 states. 2^1 8 Bits in a row is called a SIGNALING Electronics and Computers store Everything in Bits. Big Problem 0 to 9 Mayans had 20! Common Conventions 2^2 20 symbols in one digit! Store or Transmit Gear Shifter RIGHT arm = 64bit Friends What about 2 States? Byte Yellow Magenta (bit) 0-9 Poor Reader Morse Code GREEN Red Or... How many colors can you make with 3 different lights? 2^4 LEFT arm = 100 2^0 Fire Alarm ATTENTION Husband Computers use "binary" but that's not scary. A Bit is just a digit that has 2 states. On/Off 10+ Ten's Place
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