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How much memory is needed to store addition table of two 8 bit numbers

  • 64Kx9
  • 64Kx8
  • 64Kx16
  • 64Kx18
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Addition of two 8 bit numbers atmax can be a 9-bit number. and There are total $2^8*2^8$ combination of additions possible.

So, Memory needed $= 2^8*2^8*9bit = 2^{16}*9bit$ (option A)
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