Two 2KB EPROMS are used to make a 4KB memory. How many address lines are needed for the EPROMS? What upper address lines must be used for the decoder?

10. For the memory of Question 9, what is the address of the last memory location, if the starting address of the EPROM is E4000?

11. Design a memory address decoder for the EPROM memory of Question 10, using a circuit similar to figure 9.10

12. Repeat Questions 9 11 for these memory sizes and starting addresses:

a. 8KB, base address of CC000

b. 32KB, base address of 80000

c. 256KB, base address of 00000

**************Please can I get help with question 11. Thanks