Q. Given the follwoing table of 5 numeric values (listed both in hexadecimal and

Question

Q. Given the follwoing table of 5 numeric values (listed both in hexadecimal and 8-bit binary representation). Answer the question below, using the ID to identify the number you wish to specify as the correct answer. Place answer in blank provided.

ID Hex Binary

Num1 FF 1111 1111

Num2 07 0000 0111

Num3 F8 1111 1000

Num4 87 1000 0111

Num5 80 1000 0000

Real Question) Suppose Num3 is interpreted as a 1's complement number. which of the above numbers corresponds to the signed-magnitude representation of the same number?

Explanation / Answer

Num3 is 1's compliment number, so our number is 1's compliement of Num3. 1's compliment of 0xF8(Num3) = 0x07

and the number is positive. Hence the answer is Num2

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