Which ONE of the following is TRUE?

a) Network effect of a telecommunication network is proportional to the square of the number of the connected users.

b) Network effect of a telecommunication network is proportional to the number of connected users.

c) Network effect of a telecommunication network is proportional to the number of sub-networks of the network.

d) Network effect of a telecommunication network is proportional to the square of the number of sub-systems.

Which ONE of the following statements is TRUE?

a) The value of a system is less than the sum of the values of its components.

b) The value of a system is equal to the value of one of its components.

c) The value of a system is equal to the value of the most important one of its components.

d) The value of a system is greater than the sum of the values of its components.

Which ONE of the following statements is TRUE?

a) Any business information system does not contain subsystem.

b) A business plan includes a prediction of financial viability of a company.

c) Business-to-Business operations are generally less complex than Business-to-Customer operations.

d) Enterprise resource packages are usually produced by a company to manage a specific aspect of its operations

Which ONE of the following is NOT TRUE?

a) Business process is a pattern of organizing production or services.

b) Business process evolves with industry revolution.

c) Business process does not request transformation of information systems.

d) Business process reflects state transformation of society

Which ONE of the following statements is TRUE?

a) The Data Flow Diagram is a useful tool for analyzing and designing enterprise information systems.

b) The Data Flow Diagram clearly depicts the decision points in a process.

c) The data created at the end of a computer aided design process is normally discarded.

d) The Data Flow Diagram also describes material flow

Which ONE of the following statements is NOT TRUE?

a) Total cost of ownership is the total cost of operating a system.

b) Total cost of ownership includes the costs of purchase.

c) Total cost of ownership includes the costs of leasing.

d) Total cost of ownership does not include staff training

Which ONE of the following statements is NOT a step in principal based systems analysis?

a) Define the problem.

b) Determine improvements.

c) Interview the users and programmers.

d) Describe the system.

Question 1. Select a suitable letter from the following option list for the challenge of each dimension in the following table according to the given business framework. A: Monitor competitors. B: Achieve a corporate goal. C: Achieve differentiation of market segment. D: Determine price. E: Work effectively. (2 marks for each answer, 10 marks in total) Number Dimension Challenge 1 Customers ? 2 Products & Services ? 3 Business Process ? 4 Participants ? 5 Context ? Answer format: 1: your option; 2: your option; 3: your option; 4: your option; 5: your option. CS1BAC Page 11 of 12 This assessment is subject to the University Assessment Regulations for Candidates Question 2. This question is about a supermarket whose business involves the following parts: (1) Customers. (2) An existing information system that includes a database that records the data about goods including types, prices, sourcing number and sold number, an order management component that supports customers to order goods, a payment management component that supports customers to pay the bill and a resource management component that supports storing, shipping and retrieving goods. (3) A stock of goods. (4) Banks. (5) Suppliers. (6) The council of the city where the company is located. Answer all of the following questions in the context of Data Flow Diagram. (a) Identify THREE external entities from the above description. (3 Marks) (b) Identify THREE processes from the above description. (3 Marks) (c) Give Two data flows including flow names and descriptions of their roles in the following format. 1: From: your answer; To: your answer; Flow Name: your answer; Description of Role: your answer. 2: From: your answer; To: your answer; Flow Name: your answer; Description of Role: your answer. (4 marks) (d) Give TWO information management techniques that can be used to structure the data of business information system. (4 marks)