Computer Science




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Geocaching is a high-tech treasure hunting activity where adventure seekers equipped with GPS devices look for hidden treasures. The basic idea is to locate hidden geocaches.

So what is a geocache? It is usually a hidden container placed outdoors and most of the time it is filled with some type of trinkets Geocaching is enjoyed by people of all ages , with a strong sense of adventure and love for the outdoors.

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Hello from Dell Rapids, South Dakota.
My Name is Jeff Krumm and I teach for the Dell Rapids School District.

I teach computer science classes in the Dell Rapids High School.  I have the opportunity to teach the web design class, programming, desktop publishing, 9th Comptuer Science, and video editing class.  I also get the privilege to be one of the coaches for the middle school track team the spring.

To send me an e-mail just click on the e-mail address link below.




Tech Tips

You can save your computer maintenance cost if you clean your computer on the regular basis. This will improve the cooling and performance of the computer components. Your computer components could damage, if you do not keep it clean on periodically basis, because dust is the main cause to heat up your system and heat link to hardware failure.

  • Never place your computer on the ground, always use computer table or shelf for this purpose.
  • To clean computer case first unplugs your system power from the electrical outlet. Remove all cables and connectors from the back side of your computer.
  • Now blow the air around all the hardware components and keeping away your blower nozzle 4 to 5 inches away from main board components. You can use vacuum cleaner also for this purpose but compressed air is the better solution to clean a system.
  • At the end using lightly dampened cloth or spray any cleaning fluids on the computer case and use paper towel to dry it.
  • Never clean inside computer components or other circuit board with damp or wet cloth.
  • Always be careful to eat or drink around the computer.

For more Tips you can visit the following site: