To calculate amount needed we use the following formula: [tex] 2^{a} \cdot b [/tex] Where a - number of input bits b - number of output bits In this case we have: [tex] 2^{4} \cdot 2^{4} = 2^{8} = 256 [/tex] input bits The number of output bits would be 8. [tex] 256 \cdot 8 = 2048 [/tex]
