Question

what is the maximum allowable size for memory and the largest unsigned binary number that can be accommodated in one word of memory ​

Answer 1

I would not give you the ANSWERS but the HINT is that

if there are 128 instructions to be handled by the processor, you should make room for each one instruction, meaning 128 unique instruction codes for them.

Secondly, 32 - the above answer will give you the remaining bits

Lastly, the total size would be rows * cols

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