What's the difference between software copyright and patent?

The difference between software copyright and patent, and the registration of software copyright are the prerequisite and powerful guarantee for the author to fully exercise and protect his own software copyright. In the event of a software copyright dispute, the author can claim his own copyright by virtue of the software copyright registration certificate. So what is the difference between software copyright and patent? The difference between software copyright and patent: different systems. Software copyright adopts the registration system, which is basically 100%. The patent examination system must meet the conditions of patent authorization. The difference between software copyright and patent: different value software protects the external performance of works, while patent protects the function and performance of technology. For the same software, the value of copyright is far less than that of patent. The difference between software copyright and patent: the protection of software copyright will be much stronger than that of patent. Patent protection function, software copyright only protects code.