This document describes Virat Prasad's class project to design and simulate logic gate circuits. It includes an introduction to logic gates, descriptions of common logic gates like OR, AND, NOT, NOR and NAND gates. Truth tables and circuit diagrams are provided to explain the working of each gate. The document also acknowledges those who helped with the project and provided a bibliography.
This time I am presenting you Physics Investigatory Project for class 12 on the topic "TO DESIGN APPROPRIATE LOGIC GATE COMBINATION FOR GIVEN TRUTH TABLE"
This time I am presenting you Physics Investigatory Project for class 12 on the topic "TO DESIGN APPROPRIATE LOGIC GATE COMBINATION FOR GIVEN TRUTH TABLE"
Class 12 Physics Investigatory Project Work, Practical- study of various logi...Kendriya Vidyalaya
Class 12 Physics Investigatory Project Work, Practical- study of various logic gates.
Just edit first and second page of this project and the project is all yours. Please drop a like before downloading......
Watch my video for further explaination
https://www.youtube.com/watch?v=1IoOGG_SBzw&lc=z22ju3nxqvrvzrghz04t1aokgmmjnqr0ld5exqhxchswrk0h00410
This is the project that describes each logic gate briefly. This includes AND , OR, NOT, NOR, NAND,XOR. Each gate has the symbol, working, boolean formula and the observation table.
this project requires breadboard, single stranded wire, battery pack(d.c.) , multimeter and finally their applications.
Rithu
AECS Kudankulam
Originally made for a class presentation in SPM Form 5 - Electronics
The logic gate examples are animated. Since GIFs are not supported in SlideShare, the slide can be downloaded from here:
https://drive.google.com/file/d/1Jeuz1Y9hBZCNMp6JXnb5gC73uiHD-GGR/view?usp=sharing
Class 12 Physics Investigatory Project Work, Practical- study of various logi...Kendriya Vidyalaya
Class 12 Physics Investigatory Project Work, Practical- study of various logic gates.
Just edit first and second page of this project and the project is all yours. Please drop a like before downloading......
Watch my video for further explaination
https://www.youtube.com/watch?v=1IoOGG_SBzw&lc=z22ju3nxqvrvzrghz04t1aokgmmjnqr0ld5exqhxchswrk0h00410
This is the project that describes each logic gate briefly. This includes AND , OR, NOT, NOR, NAND,XOR. Each gate has the symbol, working, boolean formula and the observation table.
this project requires breadboard, single stranded wire, battery pack(d.c.) , multimeter and finally their applications.
Rithu
AECS Kudankulam
Originally made for a class presentation in SPM Form 5 - Electronics
The logic gate examples are animated. Since GIFs are not supported in SlideShare, the slide can be downloaded from here:
https://drive.google.com/file/d/1Jeuz1Y9hBZCNMp6JXnb5gC73uiHD-GGR/view?usp=sharing
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A 10/10 physics project for class 10 cbse board who are working hard on finding the right answers to some practical applications of refraction. i submitted this to my teacher and got a 10/10.
SENSOR NETWORKS BASED ON DISTRIBUTED WIRELESS SENSINGIJARIDEA Journal
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Keywords— CR; Dynamic Source Routing Protocol; SENMA.
This is the edited version of the investigatory project on physics with different topic(To construct a switch using transistor and plot a graph bw input output voltage) originally created by rahul only intention to upload this project is to help other class 12 appearing students ................... so they do not have to kill there time in making these useless projects THANKS HOPE IT HELPED ................comment what you think...................................
Step-down transformer Physics project Class 12 CBSE FinalMuhammad Jassim
FULL MARK WITH THIS. EASY NO WORY. QUESTIONS FOR VIVA WILL ALSO BE EASY SINCE THE PROJECT IS EASY.
Step-down transformer Physics project Class 12 CBSE Final
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1. Name - Virat Prasad
Roll No. -
Class - XII
Section - ‘A’
Session – 2016-17
Topic - TO DESIGN AND
SIMULATE THE LOGIC GATE
CIRCUIT.
2. INDEX
1. CERTIFICATE OF EXCELLENCE
2. ACKNOWLEDGEMENT
3. AIM OF PROJECT
4. INTRODUCTION
5. PRINCIPLE
6. BASIC GATES
7. OR GATE
8. AND GATE
9. NOT GATE
10. NOR GATE
11. NAND GATE
12. EX-OR GATE
13. EX-NOR GATE
14. BIBLIOGRAPHY
3. CERTIFICATE
This is to certify that VIRAT PRASAD, a
student of class XII-‘A’ has successfully
completed the research on the mentioned
topic under the guidance of Mr. Kumar
Rajesh (PGT Phy.) during the academic
year 2016-17 in partial fulfilment of
physics practical examination conducted by
AISSCE, New Delhi.
Signature of External Examiner Signature of Physics Teacher
4. ACKNOWLEDGEMENT
In the accomplishment of this project successfully,
many people have best owned upon me their blessings
and the heart pledged support, this time I am utilizing
to thank all the people who have been concerned with
the project.
Primarily, I would thank God for being able to complete
this project with success. Then I would like to thank my
Physics teacher Mr. Kumar Rajesh, whose valuable
guidance has been the ones that helped me patch this
project and make it full proof success. His suggestions
and his instructions have served as the major
contributor towards the completion of the project.
Then I would like to thank my parents and friends who
have helped me with their valuable suggestions and
guidance that has been helpful in various phase of the
completion of the project.
Last but not least, I would like to thank my classmates
who have helped me a lot.
5. AIM OF THE PROJECT
TO DESIGN AND
SIMULATE THE LOGIC
GATE CIRCUIT.
6. INTRODUCTION
A gate is defined as a digital circuit which
followssome logical relationship between the
input and output voltages. It is a digital circuit
which either allows a signal to pass through or
stop, it is called a gate.
The logic gates are building block of a
digital circuit. They are used in digital
electronics to change one voltage level (input
7. voltage) into another (output voltage)
according to some logical statementrelating
them.
A logic gate may have one or more inputs,
but it has only one output. The relationship
between the possible values of input and
output voltage is expressed in the form of a
table called truth table or table of
combinations.
Truth table of a Logic Gate is a table that
shows all the input and output possibilities for
the logic gate.
George Boole in 1980 inventeda different
kind of algebra based on binary nature at the
logic, this algebra of logic is called BOOLEAN
ALGEBRA. A logical statement can have only
two values, such as HIGH/LOW, ON/OFF,
CLOSED/OPEN, YES/NO, RIGHT/WRONG,
TRUE/FALSE, CONDUCTING/NON-
CONDUCTING, etc. The two values of logic
statements are denoted by the binary number
1 and 0. The binary number 1 is used to
denote the high value while the binary number
8. 0 is used to denote the low value. The logical
statements that logic gates followare called
Boolean expressions.
PRINCIPLE
Any Boolean Algebra operation that can
be associated with inputs and outputs
represent the statementsof Boolean algebra.
Although these circuits may be complex, they
may all be constructed from three basic
devices. We have three different types of logic
gates .These are the AND gate, the OR gate and
the NOT gate.
9. BASIC GATES
(a) THE OR GATE is a device that combines A
with B to give Y as the result.
The OR gate has two or more
inputs and one output. The
logic gate of OR gate with A and B input and Y
output is shown below:
In Boolean algebra, addition symbol (+) is
referred as the OR. The Boolean expression:
A+B=Y, indicates Y equals A OR B.
10. (b) THE AND GATE is a device that combines A
with B to give Y as the result.
The AND gate has two or more inputs and one
output. The logic gate of AND gate with A and B
input and Y output is shown below:
In Boolean algebra, multiplicationsign (either
x or.) is referred as the AND. The Boolean
expression:
A.B=Y, indicates Y equals A AND B.
(c) THE NOT GATE is a device that inverts the
inputs. The NOT is a one input and one output.
The logic gate of NOT gate with A and Y output
is shown below:
In Boolean algebra, bar symbol (_) is referred
as the NOT. The Boolean expression:
11. Ã =Y, indicates Y equals NOT A.
THE OR GATE
An OR gate can be realize by the electronic
circuit, making use of two diodes D1 and D2 as
shown in the figure.
Here the negative terminal of the battery is
grounded and corresponds to the 0 level, and the
positive terminal of the battery (i.e. voltage 5V in
the present case) corresponds to level 1. The
12. output Y is voltage at C w.r.t. earth.
The following interference can be easily drawn
from the working of electrical circuit :
(a) If switch A & B are open lamp do not glow
(A=0, B=0), hence Y=0.
(b) If Switch A open B closed then (A=0,B=1)Lamp
glow, hence Y=1.
(c) If switch A closed B open then (A=1, B=0)
Lamp glow, hence Y=1.
(d) If switch A & B are closed then (A=1, B=1)
Lamp glow, hence Y=1.
Truth Table:
Input A Input B Output Y
0 0 0
1 0 1
0 1 1
1 1 1
13. THE AND GATE
An AND gate can be realize by the electronic
circuit, making use of two diodes D1 and D2 as
shown in the figure. The resistance R is
connected to the positive terminal of a 5V
battery permanently.
Here the negative terminal of the battery is
grounded and corresponds to the 0 level, and the
positive terminal of the battery (i.e. voltage 5V in
the present case) corresponds to level 1. The
output Y is voltage at C w.r.t. earth.
The following conclusions can be easily drawn
from the working of electrical circuit:
14. (a) If both switches A&B are open (A=0, B=0)
then lamp will not glow, hence Y=0.
(b) If Switch A closed & B open (A=1, B=0) then
Lamp will not glow, hence Y=0.
c) If switch A open & B closed (A=0, B=1) then
Lamp will not glow, hence Y=0.
d) If switch A & B both closed (A=1, B=1) then
Lamp will glow, hence Y=1.
Truth Table:
Input A Input B Output Y
0 0 0
1 0 0
0 1 0
1 1 1
15. THE NOT GATE
A NOT gate cannot be realized by using
diodes. However an electronic circuit of NOT
gate can be realized by making use of a n-p-n
transistor as shown in the figure.
The base B of the transistor is connected to
the input A through a resistance Rb and the
emitter E is earthed. The collector is connected
to 5V battery. The output Y is voltage at C w.r.t.
earth.
The following conclusion can be easily drawn
from the working of the electrical circuit:
16. (a) If switch A is open (i.e. A=0), the lump will
glow, hence Y=1.
(b) If Switch A is closed (i.e. A=1), the lump will
not glow, hence Y=0.
Truth Table:
Input A Output Y
0 1
1 0
17. THE NOR GATE
If we connect the output Y’ of OR gate to the
input of a NOT gate the gate obtained is called
NOR.
The output Y is voltage at C w.r.t. earth.
In Boolean expression, the NOR gate is
expressed as Y=A+B, and is being read as ‘A OR
B negated’.
18. The followinginterference can be easily drawn
from the working of electrical circuit is:
(a) If Switch A & B open (A=0, B=0) then Lamp
will glow, hence Y=1.
b) If Switch A closed & B open (A=1, B=0) then
Lamp will not glow, hence Y=0.
c) If Switch A open & B close (A=0, B=1) then
Lamp will not glow, hence Y=0.
d) If switch A & B are closed then (A=1, B=1)
Lamp will not glow, hence Y=0.
Truth Table:
Input A Input B Output Y
0 0 1
1 0 0
0 1 0
1 1 0
19. THE NAND GATE
If we connect the output Y’ of AND gate to
the input of a NOT gate the gate obtained is
called NAND.
The output Y is voltage at C w.r.t. earth.
In Boolean expression, the NAND gate is
expressed as Y=A.B, and is being read as ‘A
AND B negated’.
The followinginterference can be easily drawn
from the working of electrical circuit:
(a) If Switch A & B open (A=0, B=0) then Lamp
will glow, hence Y=1.
(b) If Switch A open B closed then (A=0, B=1)
Lamp glow, hence Y=1.
20. (c) If switch A closed B open then (A=1, B=0)
Lamp glow, hence Y=1.
(d) If switch A & B are closed then (A=1, B=1)
Lamp will not glow, hence Y=0.
Truth Table:
Input A Input B Output Y
0 0 1
1 0 1
0 1 1
1 1 0
21. THE EXOR GATE
The operation EXOR checks for the
exclusivity in the value of the two signals A and
B. It means if A and B are not identical (i.e. if
A=0 and B=1 or vice versa), the output Y=1,
and if both are identical, then the output Y=0.
This operation is also called exclusive OR gate,
designated EXOR.
In Boolean expression, the EX OR gate is
expressed as
Y=A.B + A.B =
The followinginterference can be easily drawn
from the working of electrical circuit:
(a) If both switches A&B are open (A=0, B=0)
then lamp will not glow, hence Y=0.
(b) If Switch A open B closed then (A=0, B=1)
22. Lamp glow, hence Y=1.
(c) If switch A closed B open then (A=1, B=0)
Lamp glow, hence Y=1.
(d) If switch A & B are closed then (A=1, B=1)
Lamp will not glow, hence Y=0.
Truth Table:
Input A Input B Output Y
0 0 0
1 0 1
0 1 1
1 1 0
23. THE EXNOR GATE
The operation EXNOR checks for the
exclusivity in the value of the two signals A and
B. It means if A and B are not identical (i.e. if
A=0 and B=1 or vice versa), the output Y=0,
and if both are identical, then the output Y=1.
This operation is also called exclusive NOR
gate, designated EXNOR.
In Boolean expression, the EX NOR gate is
expressed as
Y=A.B + A.B =
24. The followinginterference can be easily drawn
from the working of electrical circuit:
(a) If Switch A & B open (A=0, B=0) then Lamp
will glow, hence Y=1.
(b) If Switch A closed & B open (A=1, B=0) then
Lamp will not glow, hence Y=0.
(c) If Switch A open & B close (A=0, B=1) then
Lamp will not glow, hence Y=0.
(d) If switch A & B both closed (A=1, B=1) then
Lamp will glow, hence Y=1.
Truth Table:
Input A Input B Output Y
0 0 1
1 0 0
0 1 0
1 1 1