Friday, August 21, 2020

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 a computerized circuit that follows certain coherent connection between the info and yield voltages. In this way, they are commonly known as rationale entryways †doors since they control the progression of data. The five basic rationale entryways utilized are NOT, AND, OR, NAND, NOR. Every rationale entryway is shown by an image and its capacity is characterized by a fact table that shows all the conceivable information rationale level mixes with their separate yield rationale levels. Truth tables help comprehend the conduct of rationale entryways. These rationale doors can be acknowledged utilizing semiconductor gadgets. Here we will explore on the working of initial three rationale entryways I. e. Or then again, AND, and NOT entryway. Target OF THE PROJECT To show the working of rationale doors utilizing light bulb, battery and switches. Device REQUIRED To show the working of the rationale doors we require the accompanying mechanical assembly:- I) A BATTERY OF 6 V. ii) TWO SWITCHES (KEYS). iii) TORCH BULB. iv) CONNECTING WIRES THEORY There are three fundamental rationale doors: 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) on the off chance that one of the two sources of info (or both the data sources) is high. The image of OR Gate is It deals with the accompanying truth table:- 2. The AND GATE * An AND entryway has at least two sources of info 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 entryway has single information and single yield. The yield isn't equivalent to enter. On the off chance that the info is low (I. e. 0), the yield is high (I. e. 1). Then again, the yield will be low (I. e. 0) if the info rmation is high (I. e. 1). At the end of the day it plays out a refutation procedure on the info and called the invertor. The image of NOT Gate is It takes a shot at the accompanying truth table:- PROCEDURE (1) Working of OR Gate The electric circuit outline is as appeared Utilizing the above circuit outline we continue as follows: (I) The switches S1 and S2 are not pluged and the sparkle of the bulb is recorded (don't gleam) . (ii) Now the switch S1 is stopped (not S2), it is discovered that the bulb shines. (iii) Now the switch S2 is stopped (not S1), it is seen that the bulb shines. (iv) Both the switches are stopped, the bulb gleams. (2) Working of AND entryway The electric circuit chart is demonstrated Using the above circuit graph we continue as follows: (I) The switches S1 and S2 are not stopped and the shine of the bulb is recorded (don't gleam) . 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 gleam. (iv) Both the switches are stopped, the bulb gleams. 3. Working of NOT entryway The electric circuit chart is indicated Using the above circuit graph we continue as follows: (I) The switch S isn't stopped and the gleam of the bulb is recorded(the bulb sparkles). (ii) The switch S is stopped and the sparkle of the bulb is recorded(the Bulb doesn't shine). RESULT 1. Results for the OR entryway 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 door S| Bulb sparkles | Off On| Yes No| CONCLUSION Thus we find that the rationale entryways works as indicated by their relating truth table. Affirmation I stretch out my true gratitude to our Dr Sujit Tiwari for his recommendation and help in the matter of setting up the undertaking. 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 task. They have given bunches of data for readiness of the report I looked for. My folks have provided me a wide range of essential materials and data for the report documents. Henceforth, I am thankful to them moreover. REFERENCE [1] Concept of Physics †H. C. Verma. [2] Comprehensive Practical Physics.

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