For a direct mapped cache design with $32-$bit address, the address is divided as follows:

bits $0-3$ are used for the offset

bits $4-9$ are used for the index

bits $10-31$ are used for the tag

What is the number of blocks in the RAM?

Select one:

a$.256$ Mega block

b$.128$ Mega block

c$.64$ Mega block

d$.32$ Mega block

e$.512$ Mega block