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CSCI N100

CSCI N100. Principles of Computing Basic Problem-Solving CSCI-N100 Dept. Computer & Information Science. Course Goals. Overcome fear of computers and computing Learn wide range applications Develop strong ‘programming’ skills. Good computer users. Have little fear of computers

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CSCI N100

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  1. CSCI N100 Principles of Computing Basic Problem-Solving CSCI-N100 Dept. Computer & Information Science

  2. Course Goals • Overcome fear of computers and computing • Learn wide range applications • Develop strong ‘programming’ skills

  3. Good computer users • Have little fear of computers • Learn basic concepts • Gain solid background knowledge • Practice problem-solving strategy

  4. Learning about computing • Computers do many different things • Same thing happens in many different ways • Programs changing all the time

  5. Definition of computer • Universal • Information • Manipulator

  6. Universal • Works with all kinds of information • Does all kinds of stuff to it • Very few limitations

  7. Information • Seems to be able to work with anything • Actually very limited • Tiny pieces of data combined into complex information

  8. Manipulator • Seem able to do anything with data • Actually very limited • Simple commands combined into complex instructions

  9. Problem-Solving • Use when you’re stuck • Plan for complicated problems • Backup when things go wrong

  10. STAIR • S - State the problem • T- Tools • A - Algorithm • I - Implementation • R - Refinement

  11. State the Problem • Use English • No technical words! • Make it clean and precise • Be complete • Usually the hardest step

  12. Tools • Identify some tools • Could be programs, commands, things, ideas • Be imaginative! • List all potential tools

  13. Algorithm • Computer word for plan/strategy • Re-state problem in terms of tools • Step-by-step directions • You should know how to do each step

  14. Implementation • Just do it! • Translate algorithm into action • Should be easiest step

  15. Refinement • It never goes right the first time • Look back over previous steps • Fix problems and try again

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