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  #1    
Old May 4th, 2010 (10:54 PM).
ericwilliam ericwilliam is offline
 
Join Date: May 2010
Gender: Male
Posts: 3
What is the maximum memory locations that can be addressed by a chip with 20 address pins?

(1) 20
(2) 262 144
(3) 524 288
(4) 1 048 576
(5) None of the above

Can anyone tell me how I can calculate the memory locations?

A memory has 1024 storage units with a width of 32. Suppose that the memory is byte addressable. What is the address of the highest addressable memory position?

(1) 1023
(2) 1024
(3) 2048
(4) 4096
(5) 4095
Is the correct answer 4095 (1024x4(sets of 8 bits)) =4096-1=4095??
Is that correct?
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Old May 10th, 2010 (01:26 AM).
jclynadms jclynadms is offline
 
Join Date: May 2010
Posts: 2
I think that 1048576 is right. If the first byte is as 0 then 4095 and if 1 then the answer would be 4096. It all depends upon the first bit we have. I hope this will help you.
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