Consider the Adder-Subtractor circuit given in Unit 3 of Block 1. Expl

Question

Consider the Adder-Subtractor circuit given in Unit 3 of Block 1. Explain how this circuit will perform subtraction (A-B) if the value of A is 1010 and B is 1011. You must list all the bit values, including Cin and Cout and overflow condition

05 Mar 2024

Answer :

Word Count : 592

The Adder-Subtractor circuit is a combinational logic circuit that can perform both addition and subtraction operations, typically using binary numbers. In this case, we are tasked with explaining how the Adder-Subtractor circuit performs the subtraction operation \(A - B\), where \(A = 1010\) and \(B = 1011\). The circuit typically uses two key components: an XOR gate and a full adder. Let's break down the operation step by step, considering the subtraction \(A - B\).

### Step 1: Setting up the Inputs

The values of \(A\) and \(B\) are given as binary numbers:

- \(A = 1010_2\)
- \(B = 1011_2\)

In binary subtraction, one way to represent subtraction is by using the two’s complement of the number being subtracted (i.e., \(B\)) and then adding it to the number \(A\).

### Step 2: Two’s Complement of \(B\)

To subtract \(B\) from \(A\), we first need to compute ______ ________ ____ _______ _______ ________ ______ _________ ______.
_________ _______ ___ _________ _________ ________.
_________ ________ ______ _______ _______ ______ _______ ____ _____ _______ ____.
_________ _________ ____ _____ __________.
___ ____ ______ __________ _________ ______ ___ ____ ______ ______ _____.
____ ______ __________ ____ _______ ______ ____ _________ _____.
______ _______ _________ _____ ______ ______ __________ ________ __________.
_______ ____ __________ __________ _________ _____ ___ ______ _____.
_______ ________ _____ __________ _______.
___ _____ ____ _________ _____ ___ ______ __________ _____.
___ _____ ________ _________ _______ ______.
______ ___ ________ ________ _______.
__________ ______ _____ _________ ________ ________ _________.
___ __________ __________ ________ ________ __________ _______ _________ _________ _____ ______.
______ _____ ____ ______ _____ ___ ____ _____ ____ _____.
____ __________ _____ ________ ______ ____ ___ _______ ______ ______ ___ ___.
__________ ___ ______ ______ _________.
________ _______ _______ ______ __________ ___ ___.
_________ _____ ______ _____ ____ ____ _________ _____ ______ ___ _________.
___ ____ __________ _____ ___ __________ ____ ____.
__________ ___ __________ ________ _______ ___ ________ ______ _________ ______.
___ ________ _________ ____ _________ __________ ________ ________ ________ ________ ______ __________.
_______ __________ ___ ____ ______ ______ _______ ____ _________ ____ ________.
________ _______ _____ _______ _______ _____ _____ _____ ___.
________ ________ ________ ___ ____.
________ ______ _______ _________ ________ ________ __________.
_________ _________ _______ ______ ___ ____.
_______ _____ ____ _______ ________ ____ _______.
_______ ___ ______ _______ _____ _____ ___ ______.
_______ ___ ________ _________ _______ _________ ___.
______ ____ _______ ___ ____ _________.
________ ______ _______ ______ ________ ________ _______ ___ ______ _________ _______.
_________ _________ _______ ___ ____ ________ _______ ____.
________ __________ ______ ___ ____ ___ _____ __________ ____ ________ ____.
________ ___ ______ ________ ___ ________ ______.
______ ______ _____ _____ ________ ____.
________ ________ ________ _______ _______ _____ ___ ______ ______ ___ ______.
___ __________ ____ ____ __________ _________ ________ __________ __________.
__________ _____ _________ ______ _____.
_______ ______ _______ ___ __________ ___ ____ ____ ___ ____.
____ __________ ___ _________ _________.
________ ____ _______ _______ _______ _________.
__________ ____ ________ ___ _________ _________ _______ _______ _____.
____ _____ ____ ____ ______ ___ ______ _________.
________ ___ __________ _____ ____ __________ _______.
_____ ___ ________ ______ _______ ______ ______ __________ _________ ______.
________ _____ _______ ______ _________ _______.
_______ ____ _____ ________ ____ ___ _________ ____.
_________ ___ __________ _________ __________ __________ _____ ______ _________.
__________ ___ ______ __________ __________.
______ _______ _____ ________ _________ ________ ____ __________ ___ _____.
___ ________ ________ ________ ____ ________ ___ _______ ____ ______.
________ ___ ________ ____ __________ ____ ___ ______ ___.
______ _______ ___ ____ __________ ________ ______ ________.
__________ _____ ______.
Get Full Answer on WhatsApp

IGNOU Solved Assignments Assignments Ignou Projects Project Previous Year Solved Exam Papers Notes Notes Sample Question Papers Sample Question Papers

IGNOU NEWS

Assignment Submission Last Date Extended Till 30 June 2026 Click Here★★★IGNOU June 2026 TEE Date Sheet Released Click Here★★★