Explore what DDoS attacks are, the methods used to carry them out, and how to prevent them.

In this animated object, learners read about the uses of nanotechnology. The sciences, engineering, electronics, and other disciplines converge in nanotechnology. Examples are given for applications in manufacturing, biomedicine, and environmental science. Concerns about possible environmental effects are discussed.

In this learning activity you'll discover how volunteering, developing outside interests, and setting aside time for hobbies all help reduce stress.

In this learning activity you'll examine how database normalization eliminates redundancy and helps maintain consistency within a relational database.

In this interactive lesson, learners read and hear instructions for sending an e-mail. Steps are given for composing an e-mail message and for sending it. Students have an opportunity to write their own messages. A quiz follows the instruction.

Learners examine the do's and don'ts of blogging in a school setting. They compare the features of a student blog with those of a classroom community blog. This learning object is particularly designed for instructors.

In a series of interactive exercises, learners identify the parts of a URL, a Web site, and an e-mail memo. Students are given their score at the end of the activity.

Learners answer 20 questions about regulations covering the sale of alcoholic beverages in Wisconsin. The questions are presented in a game show format, and immediate feedback is provided. A final score is given at the end of the activity.

Learners answer 20 questions related to a customer's blood alcohol content. The questions are presented in a game show format, and immediate feedback is provided. A final score is given at the end of the activity.

Spell the Correct Words

Match words to their meanings.

Procvičení lekcí Informatika na doma 9-11

Learn more about online privacy laws in Wisconsin.