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School of Computer Science Carnegie Mellon University

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Copyright © 2008 All Rights Reserved the Outreach Roadshow Presents Supported in part by the NSF-ALADDIN Center Carnegie Mellon University

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Computer Science is all about solving problems…… and using the computer to help solve some very difficult problems

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Who We Are Stephanie Rosenthal Ruth Wylie

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Who can do Computer Science ?

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? Who is a Computer Scientist? Ready to guess

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? What is Computer Science and What can you do with it

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A farmer has to get the sheep, the carrot and the wolf over the river to the grassy field. But he can only take one of them with him at a time … Problem Solving Learn how to build Algorithms… a sequence of steps/instructions to solve a problem Algorithm Puzzle:

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If left alone, Problem Solving The wolf will eat the sheep The sheep will eat the carrot

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A computer can only do what it is told to do A program is a set of instructions telling a machine what to do Programming involves learning how to write instructions that do specific tasks COMPUTER SCIENCE IS SO MUCH MORE! What is Programming?

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Can you solve the code ? FPVRAPR Key A = N B = O C = P D = Q E = R F = S G = T H = U I = V J = W K = X L = Y M = Z Decode the secret word: Cryptography

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Creating Websites

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The Internet Computer Scientists learn how the internet and and IM work and help to improve these systems and IM

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Smiley Emoticon

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Art + Computers = Graphics

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Human Computer Interaction

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The Turing Test & Human Computation The CAPTCHA & reCAPTCHA projects was developed by computer scientists from the Aladdin Center at Carnegie Mellon Can you tell the difference between a human and a computer?

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The Turing Test & Human Computation The CAPTCHA & reCAPTCHA projects was developed by computer scientists from the Aladdin Center at Carnegie Mellon Can you tell the difference between a human and a computer?

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Artificial Intelligence x

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x xoxox o x o x o x o x o x o ……………………

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Plan Act Sense Camera Sonar Laser range-finders Planning Scheduling Machine Learning Manipulation Locomotion Navigation Robotics

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Plan Act Sense Camera Sonar Laser range-finders Planning Scheduling Machine Learning Manipulation Locomotion Navigation Robotics

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RoboCup

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Computer science Mathematics and logic Join the math club (?) Science Join the robotics club (?) Teamwork skills Communication skills Useful Skills for CS

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Software Engineer 3D Graphics Programmer Software Developer Finance Analyst Research Assistant Design Engineer Web Developer Game Programmer Application Developer Consultant Analyst Artificial Intelligence Engineer Automation Engineer Business Consultant Business Development Associate Documentation Tools Specialist Interface Designer Issue Associate Job list courtesy of Kevin Collins, SCS Career Advisor Jobs for Computer Scientists

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Hardware & Software: Microsoft Dell Sun IBM Intel Boeing Apple Lockheed Martin Web Search: Google Microsoft Amazon Yahoo Vivisimo Finance: Goldman Sachs Morgan Stanley Merrill Lynch Consulting: Accenture Deloitte & Touche PricewaterhouseCoopers Arts & Entertainment: Dolby Lucas Arts Film Company Pixar Animation Studios Walt Disney Imaging You could work here!

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So… what is ? Computer Science Computer Science can be many things… Computer Scientists can be many people… …including YOU!

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Want to learn more about computer science? us at Thank You!

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School of Computer Science Carnegie Mellon University

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You come to a fork in the road and meet a pair of twins and ask the way to go. One twin always tells the truth One twin always tells lies. You can only ask ONE question. How do you decide which way to go? Twins Puzzle

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You ask one of the twins, "If I asked your twin which road to take, which would she say?"....and then you take the other road! Twins Puzzle - Answer

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You have a pair of scales and 12 coins. 11 of the coins weight the same. The last coin is heavier than the others. How do you find the heavy coin if you can only use the scale 3 times? Coin Puzzle

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Divide the coins into 3 equally sized piles Weigh the first pile against the second pile If the balance is equal, then the heavy coin is in the 1 st or 2 nd groups; otherwise it’s in the 3 rd. Divide the heavy group of coins in half. Separate the pair to find the heavy coin. Coin Puzzle - Answer

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Three children sit one behind the other in a row. The third child can see the first two, the second child can only see the first and the first child can't see either of the other two. A teacher has a box of five hats, two red ones and three green ones. The teacher places a different hat on each of the three children. She instructs each one to call out the color of their hat once they are sure of it. All of the children are perfectly logical. Within a few minutes the first child correctly states the color of her hat. What color is it? Hat Puzzle

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If the third child does not reply first then she must be confused by the hats of the other two. If the hats of the first two were red, then the third would know she had a green. The second child, hearing the silence of the third realizes that he and the first child can't both have red hats. If the first child has a red hat then the second child knows, since he cannot also have a red hat, that his hat is green. The first child, noticing the silence of the other two, realizes that she cannot have a red hat. Therefore, her hat must be green. Hat Puzzle - Answer

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There is a certain type of rope that when lit at one end, will take an hour to burn. The burning however is not uniform and so it might, for example, take ten minutes for the first half to burn and fifty minutes for the second half to burn. You have two such ropes, but they are not identical. Your number of matches is not a concern. How can you measure exactly 45 minutes? Rope Puzzle

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You set the two ends of one rope and one end of the second rope on fire. Once the first rope has burned out a half hour has passed. By lighting the other end of the second rope at that time, it will take fifteen additional minutes for the second rope to completely burn out. Rope Puzzle - Answer

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