Which of the following represents the 2's-complement of the ...

[jessicacav]

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.

[bdobbins]

Answer to Question 1

D

Answer to Question 2

C

[jessicacav]

TYSM

[lcapri7]

Thanks for the timely response, appreciate it