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Memory Connections to CPU

Consider a me...

Question

Consider a memory with maximum address lines x. If the size of memory is doubled, then maximum how many extra lines should be added in existing address lines?

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Solution

option (b)

Address lines = x

$No. of address in memeory = 2^{x}$

$New double size = {2.2}^{x} = 2^{x + 1}$

New size of address lines =(x +1)

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