1a. Explain the following terms: (4 Marks) i. Competitive forces model ii. Core competency b. What are strategic information systems? Briefly discuss three challenges posed by these systems to an organization. (5 Marks) c. What is the value of radio frequency identification (RFID) technology to business and how does it work? (5 Marks) d. List any three wireless communication technologies and briefly explain where they are used. (6 Marks)