QUESTION 9 a) Define interrupt (1 mark) b) Differentiate between interrupt and direct manipulation access. (4 marks) c) Given the following scenario. Dilan is surfing woolworth.com to buy groceries online. While he is comparing prices of products in woolworth.com and one other website, two messages popped up onto his screen. Figure 2 (a) and (b) illustrate the conveyed messages. Are you sure you want to cancel this request? There is a hardware event failure in this computer. Please reboot this computer now. (a) (b) Figure 2: The pop-up messages i) Identify the type of interrupt in Figure 2(a) and Figure 2(b) with proper justification. (4 marks) ii) While interrupt routine for Interrupt A is executing, it is interrupted by interrupt B which has a higher priority than interrupt A. What will happen to interrupt routine A? (1 mark)