Answer:
Bottom-up method
Step-by-step explanation:
Bottom-up method or the approach is the one which is defined as the piecing together the systems which give rise to more systems that are complex and make the sub systems and original systems of the emergent system.
It is the kind of processing where the information is processed grounded on the incoming data from the environment to make a perception.
So, the bottom up approach is used to task as well analysis the job which is more frequently used.