The correct answer is A. Architecture.
Architecture is the organization and interconnection of the various components of a computer system. It defines the overall structure of the system, as well as the relationships between its components. The architecture of a computer system is typically described in a system specification document.
Networks are a collection of computers that are connected together so that they can share information and resources. Networks can be classified into two types: local area networks (LANs) and wide area networks (WANs). LANs are typically used to connect computers within a single building or office, while WANs are used to connect computers over long distances.
Graphics are images that are displayed on a computer screen. Graphics can be created using a variety of software programs, such as Adobe Photoshop or Microsoft Paint. Graphics can be used to create illustrations, charts, and graphs.
Designing is the process of creating a plan for something. Designing can be used to create a variety of things, such as buildings, products, and computer systems. The design process typically involves several steps, such as brainstorming, sketching, and prototyping.
None of the above is not the correct answer.