Answer:
6 address lines
Explanation:
The computation of the number of address lines needed is shown below:
Given that
Total memory = 64MB
= [tex]2^6MB[/tex]
=[tex]2^{26} bytes[/tex]
Also we know that in 1MB RAM the number of chips is 6
So, the number of address lines is [tex]2^{26} address[/tex] i..e 26 address lines
And, the size of one chip is equivalent to 1 MB i.e. [tex]2^{20} bytes[/tex]
For a single 1MB chips of RAM, the number of address lines is
[tex]\frac{2^{26}}{2^{20}} \\\\= 2^6 address[/tex]
Therefore 6 address lines needed
