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Laboratory 4 Answers

The document describes the logic diagrams and truth tables for half adder, full adder, half subtractor, and full subtractor circuits. It provides the inputs, carry/borrow outputs, and sum/difference outputs for each logic diagram according to their respective truth tables.

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Jenemar
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41 views3 pages

Laboratory 4 Answers

The document describes the logic diagrams and truth tables for half adder, full adder, half subtractor, and full subtractor circuits. It provides the inputs, carry/borrow outputs, and sum/difference outputs for each logic diagram according to their respective truth tables.

Uploaded by

Jenemar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Jenemar P.

Cascara
BSEE 3A

LABORATORY 4
PROCEEDURE
 Connections are given as per circuit diagram.
 Logical inputs are given as per circuit diagram.
 Observe the output and verify the truth table.

LOGIC DIAGRAM
HAF ADDER

A B CARRY SUM
0 0 0 0
0 1 0 1
1 0 0 1
1 1 1 0
LOGIC DIAGRAM
FULL ADDER

TRUTH TABLE
A B C CARYY SUM
0 0 0 0 0
0 0 1 0 1
0 1 0 0 1
0 1 1 1 0
1 0 0 0 1
1 0 1 1 0
1 1 0 1 0
1 1 1 1 1

LOGIC DIAGRAM
HALF SUBTRACTOR

TRUTH TABLE
A B BORROW DIFFERENCE
0 0 0 0
0 1 1 1
1 0 0 1
1 1 0 0
LOGIC DIAGRAM
FULL SUBTRACTOR

TRUTH TABLE
A B C BORROW DIFFERENCE
0 0 0 0 0
0 0 1 0 1
0 1 0 1 1
0 1 1 1 0
1 0 0 0 1
1 0 1 1 0
1 1 0 0 0
1 1 1 1 1

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