Calculate the size of memory address space for a 16 bit data and 20 bit address bus.

praveensharma2892 Default Asked on 25th January 2016 in Computers.
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1 Answer(s)

Memory (RAM) is composed of bits, groups of 8 which form bytes, each of which can be addressed ,and hence byte addressable memory.

Address Bus stores the location of a byte of memory.

Then,  2^20 = 1048576 byte
As we know that 1024 byte = 1 kb
Therefore, 1048576 byte = 1048576/1024
= 1024 kb
1024 kb = 1 mb.

Then, 1 mb size of memory address space for a 16 bit data and 20 bit address bus.

 

Anurag Mishra Professor Answered on 28th January 2016.
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