Question

State whether each of the following are true or false. Write the number of the question and the answer, e.g. 1.11. True 1.1 A TPS uses simple procedures to record and store day-to-day transactions. 1.2 Contemporary information systems are interfacing with customers and suppliers using electronic commerce technology, CRM, and SCM over the internet. 1.3 Processes represent the data acquired from an information system. 1.4 All stakeholders of an information system share the same perspective of the system. 1.5 An executive information system (EIS) is a highly interactive IT system that allows you to first view highly summarized information and then choose how you would like to see greater detail, which may alert you to potential problems or opportunities. 1.6 The CIO is responsible for overseeing an organization’s information resource. 1.7 ESS/ EIS is normally developed to assist the operation level decision making. 1.8 Software quality assurance lays considerable stress on getting the design right prior to coding. 1.9 EDI allows computer-to-computer exchange of standardized documents between two organizations and lowers transaction costs. 1.10 Information systems must interface effectively and efficiently with other information systems, both within the business and increasingly with other businesses' information systems. QUESTION 2 (10) Differentiate between the following terms: 2.1 System Testing and System Development (2) 2.2 Structured Query Language (SQL) and transaction processing systems (TPS) (2) 2.3 Legacy system and Knowledge management systems (2) 2.4 Internet service provider (ISP and Voice over Internet Protocol (VoIP) (2) 2.5 Hacker and Graphical user interface (GUI) (2) QUESTION 3 (20) 3.1 Discuss the main components of a computer system from a hardware perspective. (10) 3.2 Software exists as programmes that are developed by computer programmers. Discuss system software, application software and general purpose software providing examples of each. (10) QUESTION 4 (20) 4.1 There are many significant threats to the security of E-business and E-commerce. Business managers and professionals alike are responsible for the security, quality, and performance of the business systems in their business units. Discuss the following security measures: Firewalls, Encryption, Biometric Controls, and Disaster Recovery. (16) 4.2 The information services department typically takes steps to prevent equipment failure and to minimise its detrimental effects. List two such steps. (4)

Answer 1

1.1 Yes, a TPS uses simple procedures to record and store day-to-day transactions. Hence, the given statement is true.

1.2 Yes, contemporary information systems are interfacing with customers and suppliers using electronic commerce technology, CRM, and SCM over the internet. Hence, the given statement is true.

1.3 Work in a system is represented by Process. Hence, the given statement is false.

1.4 It is not necessary that all stakeholders must have the same perspective of the system. Hence, the given statement is false.

1.5 Yes, an executive information system (EIS) is a highly interactive IT system that allows you to first view highly summarized information and then choose how you would like to see greater detail, which may alert you to potential problems or opportunities. Hence, the given statement is true.