What is the difference between information technology and information systems? [10] Describe some of the functions of information systems. b) Explain how the Internet and the World Wide Web are related to the other technology components of information systems. [5] c) How can information systems and information technology be used to improve business processes? a) List SIX [6] reasons why information systems are so important for business today. b) List and briefly explain FOUR [4] input devices and FOUR [4] output devices of computer system a) List FOUR [4] major types of information systems used by different levels of [12] management within a business. b) What are the function of the Central Processing Unit (CPU) in a computer [2] c) What is blockchain? Give THREE [3] examples of an industry that will be using it in the future