Subject Computer Science Systems Architecture

Question

3.7) Assume 185 and 122 are signed 8-bit decimal integers stored in sign-magnitude format. Calculate 185+122. Overflow, underflow, or neither?

3.8) Assume 185 and 122 are signed 8-bit decimal integers stored in sign-magnitude format. Calculate 185-122. Overflow, underflow, or neither?

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185= 128 + 32+ 16+ 8+1 => 185 = 10111001
122= 64+32+16+8+2 => 122= 01111010...

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