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Computer Programming

Explore the fundamentals of computer programming using Logo, a beginner-friendly language. Learn basic commands like move, turn, and clear screen while drawing shapes and solving problems. Gain a deeper understanding of looping, code reuse, and syntax. This course focuses on problem-solving and encourages individual progress without comparing to others.

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Computer Programming

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  1. Computer Programming

  2. Previous Experience • I have never seen a computer program • I have seen some code, but never written any • I have written some basic code in one language • I have written several programs in more than one language Which number describes you best?

  3. What is computer programming? • Can you give a definition of a computer program? • Do you need to have done it before? • Do you have to be “good at computers”? • “If computing is the study of computers, then astronomy is the study of telescopes and chemistry is the study of test tubes.”

  4. My definition • A computer program is a sequence of instructions in a limited language that when executed in the correct order accomplishes a specific task on a computer. • Can you give some examples of computer programs?

  5. Computer Programs

  6. In this course… ?

  7. First steps… • What is Logo? • Open up FMS Logo • We will start with three commands only • fdn • Move forward n pixels • rtn • Right turn n degrees • cs • Clear the screen • Practice using these commands to draw a square, rectangle, and triangle

  8. Math in Logo • * is times • / is divide • + is plus • - is minus • 3 ** 4 is three to the power four • sqrt(25) is square root

  9. Shapes to create ? Pentagon Hexagon N-agon House Castle

  10. Difficulties • What if you want to execute the same instructions over and over? • What if you want to save your shapes so you can use them next time? • We will find solutions to these problems in the coming weeks

  11. Recap • A computer program is a sequence of instructions in a limited language that when executed in the correct order accomplish a specific on a computer • Concepts: • Looping • Code reuse • Syntax • This course is more about problem-solving, than computers • You need to find your own level, and try to learn something new or practice something you’ve learned, every lesson • Don't compare yourself with other students in the class!

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