What does a 8-bit adder subtracter circuit do-00349
This subjective question is related to the book/course
vu cs201 Introduction to Programming.
It can also be found in
vu cs201 Mid Term Solved Past Paper No. 4.
Question 1: What does a 8-bit adder/subtracter circuit do?
Answer:
The Add/Subtract function select input are tied together. The Carry In of the 1st 4-bit Adder circuit is connected to the Add/Subtract function select input. The Carry Out of the 1st 4-bit Adder circuit is connected to the Carry In of the 2nd 4-bit Adder circuit. (Page 146)
