Given the MPS $6540$ ROM chip, please answer the following questions

Question $1$: How many address lines does the MPS $6540$ have? $($please explain how$)$

Question $2$: How many bits does each memory location or word on the MPS $6540$ ROM chip hold?$($please explain how$)$

Question $3$: Given the MPS $6540$ ROM chip, calculate the total memory space in kilobits. $($please explain how$)$

Question $4$: If you were to use multiplexed addressing for a ROM chip with the same memory space as the MPS $6540,$ how many address lines would you need? $($Round up line number if needed$)($please explain how$)$