Answer:
6 address lines
Explanation:
The computation of the number of address lines needed is shown below:
Given that
Total memory = 64MB
= 
=
Also we know that in 1MB RAM the number of chips is 6
So, the number of address lines is
i..e 26 address lines
And, the size of one chip is equivalent to 1 MB i.e. 
For a single 1MB chips of RAM, the number of address lines is

Therefore 6 address lines needed
Hello!
Before Social Media , Many people liked the old classical way and they had there own way to communicate with people. With social media everything changed . Companies started to grow and real face to face communication was shrinking slowly . Kids locked themselves in there rooms to text friends and play games instead of playing outside. But technology does have a good affect for example if it wasn't for technology i wouldn't be able to help you right now ! If it wasn't for social media Wendy's wouldn't be able to Roast people . And contact over the phone would be limited .
HOPE I HELPED HAVE A BLESSED DAY!!
please mark me as the brainlest answer please
if you do it then I will answer your all questions.