16) Which of the following characteristics distinguishes mobile computing from other forms of computing? a) Mobile computing offers greater security. b) Connectivity is slower but more reliable than in other forms of computing. c) Mobile computing is limited to relatively short SMS messages. d) Customized information can be sent to individuals as an SMS. 17) Which of the following is the most appropriate wireless technology for real-time location of caregivers and mobile equipment in health-care environments? a) Wi-Fi b) Microwave c) Ultra-wideband d) Infrared 18) Mobile applications in financial services include which of the following? a) Brokerage services b) Wireless electronic payment systems c) Micropayments d) All of these options 19) Using your cell phone to purchase a Coke from a vending machine is an example of _____. a) mobile banking b) wireless wallet c) micropayment d) money transfer 20) Mobile computing has two major characteristics that differentiate it from other forms of computing. What are these two characteristics? a) Mobility and broad reach b) Mobility and lack of expense c) Security and broad reach d) Security and mobility Â