Styles is Paragraph [6 Marks] 4. a) State 2 ways by which the 8088 and 8086 microprocessors differ. [2 Marks] b) What is an instruction queue in 8086? [2 Marks] c) Describe the two modes by which the 8086 operates 14 Marks] d) Fill the table below with six types of 8086 registers, three for execution unit and three for bus interface unit. Register Names Execution/Bus Function Interface Unit 1 2 3 4 5 6 [12 Marks]