Author Question: Which of the following represents the 2's-complement of the hexadecimal number 2AF? A) D50 B) E51 ... (Read 52 times)

jessicacav · **on:** Jul 27, 2018

Which of the following represents the 2's-complement of the hexadecimal number 2AF?

A) D50 B) E51 C) E50 D) D51

Question 2

The operations of addition and subtraction of signed binary numbers may be accomplished with parallel full-adders, provided that:

A) positive numbers are represented in 2's-complement form and a means is provided to take the 2's-complement of the minuend in subtraction problems.
B) negative numbers are represented in 2's-complement form and a means is provided to take the 2's-complement of the minuend in subtraction problems.
C) negative numbers are represented in 2's-complement form and a means is provided to take the 2's-complement of the subtrahend in subtraction operations.
D) negative numbers are represented in 2's-complement form and a means is provided for taking the 2's-complement of the minuend and the subtrahend in subtraction problems.