Logic Gates

A Project Report On WORKING OF LOGIC GATES SUBMITTED BY:- Shamil Choudhury ROLL__________ No_____________ Karimganj Junior College Of Science CONTENTS†¦Ã¢â‚¬ ¦.. Subjects Page No 1. CERTIFICATE1 2. Presentation 2 3. THEORY3 4. EXPERIMENT5-6 5. RESULTS 7 6. End. 7. Affirmation 8. REFERENCE 9 INTRODUCTION An entryway is an advanced circuit that follows certain coherent connection between the info and yield voltages. In this manner, they are commonly known as rationale doors †entryways since they control the progression of data. The five regular rationale doors utilized are NOT, AND, OR, NAND, NOR. Every rationale door is demonstrated by an image and its capacity is characterized by a reality table that shows all the conceivable info rationale level mixes with their individual yield rationale levels. Truth tables help comprehend the conduct of rationale doors. These rationale doors can be acknowledged utilizing semiconductor gadgets. Here we will examine on the working of initial three rationale doors I. e. Or on the other hand, AND, and NOT entryway. Target OF THE PROJECT To exhibit the working of rationale entryways utilizing light bulb, battery and switches. Mechanical assembly REQUIRED To exhibit the working of the rationale doors we require the accompanying device:- I) A BATTERY OF 6 V. ii) TWO SWITCHES (KEYS). iii) TORCH BULB. iv) CONNECTING WIRES THEORY There are three fundamental rationale entryways: 1. The OR Gate * An OR door has at least two contributions with one yield. It works so that a yield is high (I. e. 1) in the event that one of the two information sources (or both the data sources) is high. The image of OR Gate is It chips away at the accompanying truth table:- 2. The AND GATE * An AND entryway has at least two data sources and one yield. It works so that the yield is high (I. . 1) when both the information sources are high. The image of AND Gate is It takes a shot at the accompanying truth table:- 3. The NOT Gate * The NOT door has single info and single yield. The yield isn't equivalent to enter. On the off chance that the information is low (I. e. 0), the yield is high (I. e. 1). Then again, the yield will be low (I. e. 0) if the information is high (I. e. 1). At the end of the day it plays out a nullification procedure on the info and called the invertor. The image of NOT Gate is It chips away at the accompanying truth table:- PROCEDURE (1) Working of OR Gate The electric circuit chart is as appeared Utilizing the above circuit graph we continue as follows: (I) The switches S1 and S2 are not pluged and the gleam of the bulb is recorded (don't sparkle) . (ii) Now the switch S1 is stopped (not S2), it is discovered that the bulb gleams. (iii) Now the switch S2 is stopped (not S1), it is seen that the bulb sparkles. (iv) Both the switches are stopped, the bulb gleams. (2) Working of AND door The electric circuit outline is demonstrated Using the above circuit chart we continue as follows: (I) The switches S1 and S2 are not stopped and the shine of the bulb is recorded (don't sparkle) . ii) Now the switch S1 is stopped (not S2), it is discovered that the bulb doesn't shine. (iii) Now the switch S2 is stopped (not S1), it is seen that the bulb doesn't sparkle. (iv) Both the switches are stopped, the bulb shines. 3. Working of NOT entryway The electric circuit outline is demonstrated Using the above circuit chart we continue as follows: (I) The switch S isn't stopped and the sparkle of the bulb is recorded(the bulb gleams). (ii) The switch S is stopped and the shine of the bulb is recorded(the Bulb doesn't gleam). RESULT 1. Results for the OR door S1 | S2| Bulb glows| Off On Off On| Off On On| No Yes Yes| 2. Results for the AND door S1 | S2| Bulb glows| Off On Off On| Off On On| No Yes| 3. Results for the NOT entryway S| Bulb sparkles | Off On| Yes No| CONCLUSION Thus we find that the rationale doors works as indicated by their comparing truth table. Affirmation I stretch out my genuine gratitude to our Dr Sujit Tiwari for his recommendation and help in the matter of setting up the task. I likewise express my profound feeling of appreciation to my companions forextending all conceivable assistance in providing venture data, which I have utilized while setting up the undertaking. They have given bunches of data for arrangement of the report I looked for. My folks have provided me a wide range of essential materials and data for the report records. Subsequently, I am thankful to them moreover. REFERENCE [1] Concept of Physics †H. C. Verma. [2] Comprehensive Practical Physics.