4+Viruses

**Activity Resources:** >
 * Objectives:**  **upon completion of these lessons, students will be able to:**
 * Define computer virus, worm and Trojan horse.
 * Determine what to do if a computer is infected.
 * Take steps to prevent computer threats.
 * [|__Virus Video Clip__] by BrainPop
 * [[file:K_virus_notes.docx]]