Answer:
GOF refers to the gang of four pattern that are generally consider the basic for all the other patterns. Design pattern are basically provide the solution to the software design to resolve all problems that are associated with the development of real world applications.
GOF Design pattern implemented the parts of the re-usable object oriented software applications. The main aim of design pattern is to pass all the structural design pattern. Design pattern is the most powerful and helpful tool for the software developer and architecture.
Answer:
D. System Analysis
Explanation:
System analysis can be defined as the process of analysing a problem in order to the know the cause thereby finding a way to resolve it or finding a solution to it.
System analysis enables us to easily study procedure or process thereby identifying what the objective of the procedures is which will in turn help to achieve what we needed to achieve.
System analysis is important because it enables easier identification of a problem which make us to find the best way to solve the problem since it is a problem solving technique which ensures that all problem are been resolved accurately and efficiently
16. Branch or tree cutter
17.paint tape
18. Knife
19. Pots
20. Waterer