摘要
A computer virus is merely a small piece of program in nature,and similar to that of a computer virus,an organism may be considered as an information system in nature.This paper analyzes above idea from different ways.1)DNA sequence satisfies the basic requirements of an information system;2)The controls of a man and a robot both obey the principle of cybernetics;3)How a man can have ideas but a robot has no such capacity;4)The advantages of understanding a living organism from the point of view of information systems.
基金
This work was partially supported by the National Natural Science Foundation of China(Grant No.60775002).
