What is the largest positive number one can represent in an eight-bit 2's complement code? Write your result in binary and decimal.

The largest positive number one can represent in an eight-bit 2's complement code is 01111111.

Explanation:

It is displayed as 01111111₂ in Binary.

To derive its decimal equivalent, we have to convert the binary code into decimal as follows:

01111111₂ = 0 * 2⁷ + 1 * 2 ⁶ + 1 * 2⁵ + 1 * 2⁴ + 1 * 2³ + 1 * 2² + 1 * 2¹ + 1 * 2⁰

= 0 + 64 + 32 + 16 + 8 + 4 + 2 + 1

= 127

Therefore, the decimal equivalent is 127.