What is the asterisk of the verification code of conscription network?

The asterisk of the recruitment network verification code indicates multiplication. The asterisk stands for multiplication in mathematics. In order to prevent the website from being unscrupulously crawled or abused by its robots, the website will add verification code functions from multiple locations. The verification code is simply to input the corresponding content according to the given text. There are also some verification codes that perform some logical and mathematical operations. The verification code is a public automatic program, which is used to distinguish whether the user is a computer or a person. The verification code question is generated and judged by the computer, and only human beings can answer it, which can prevent malicious password cracking, ticket brushing, forum flooding and other problems. It can be divided into Gif animation verification code, mobile phone short message verification code, mobile phone voice verification code and video verification code.