Knowledge and skill goal: to understand the concept, performance, harm and prevention of computer virus. Fully mobilize students' learning enthusiasm and let them use computers better.

Process and Method Objectives: Follow the principle of interest and cultivate students' ability to discover, explore and solve problems, as well as their ability to cooperate with others.

Emotional attitude and values: in the process of activities, cultivate students' observation ability, good thinking ability, problem-solving ability and good morality in using computers.

Teaching focus:

1, to understand the concept, characteristics, harm and prevention of computer virus.

2. Cultivate students' good morality in using computers.

Teaching difficulties:

Prevention and removal of computer virus.

Teaching methods:

Teaching+self-study+demonstration+practice+social practice

Class arrangement:

1 class hour

Teaching preparation:

Computer virus information table in multimedia computer room 1 Anti-virus software installed on students' computers.

teaching process

First, understand computer viruses.

Teacher: Students, do you often surf the Internet?

Health:

Teacher: Have you ever been infected with a virus when using a computer?

Health:

Teacher: How did your computer behave after being infected with the virus?

Health 1: Black screen, abnormal screen graphics, icon changes, and the displayed information suddenly disappears.

Health 2: some programs can't run, slow down, crash frequently and restart repeatedly.

Student 3: Unable to save files, lost files, unable to surf the Internet, slow internet speed, etc.

Teacher: Students know so much. A computer infected with a virus can't work normally, just as a person infected with a virus can't work normally. In serious cases, it will lead to the destruction and loss of information in the computer.

Teacher: Now, please take out the collected materials. Who will introduce your materials first?

Health:

Teacher: What do you think is a computer virus by looking up information and your understanding?

Health 1: Computer virus is a group of programs or instructions that are destructive to computers, designed by some people who play pranks or sabotage.

Health 2: It can lurk in the computer system and spread through self-replication.

Health 3: it is activated under certain conditions, which brings failure and damage to the computer.

Health 4: This program is similar to the characteristics of biological viruses, such as reproduction, infection and latency, so people call it "computer virus". (The courseware shows the concept of virus)

(Teacher-student interaction) Students learn about the characteristics, hazards, transmission routes and prevention methods of viruses from some virus materials.