In this activity we will learn how vulnerable websites are open to cross site-scripting attacks (XSS).

In this simulation, you’ll learn to differentiate between basic deletion and secure erasure to protect sensitive information.

Instructions on how to use and construct a truth table for digital devices are provided.

Explore what DML is including its main commands INSERT, UPDATE, DELETE, and SELECT.

This learning object shows how the shape of a stain defines the angle of impact. In general terms the more circular the stain, the more perpendicular will be the angle at which it struck the surface. The more elliptical the shape of the stain, the more acute the angle will be. With practice and experience, the analyst can recognize the general angle of impact based solely on the shape of the stain.

Learners examine the function of the analog wattmeter to measure true power, how it is connected in a circuit, and how the internal components develop a measurement. A brief quiz completes the activity.

In this learning activity you'll practice converting between hexadecimal and decimal and between hexadecimal and binary numbers.

Students read information about basic logic gates including the gates' names, symbols, Boolean expressions, pronunciations, and truth tables. They then complete a matching exercise.

Students answer 10 questions in a sample exam. This exercise covers number systems, number conversion, logic gates, and combinational design. Feedback is provided.

Select the correct term A or An in the missing blanks.

Basic Internet concepts for kids

Showcase your basic knowledge of dc-dc converters to win the game

Our students interact on the internet everyday, but do they know how to do so responsibly? Review key ideas related to implementing ISTE’s National Educational Technology Standards (NETS) in regard to ethical and social issues.