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If x = 1, then LHS = 0 . Answer: Question 12. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Answer: Question 7. Write the standard symbol for OR gate. $$\mathbf{A B}+\mathbf{A} \overline{\mathbf{B}}+\overline{\mathbf{A}} \mathbf{C}+\overline{\mathbf{A C}}$$. C NAND and NOR. b) NAND Logic Gates are the building blocks of all circuits in a computer. The output is 1 (TRUE) only if both of the inputs are 1 (TRUE). https://www.bitsofbytes.co/exam-questions---logic-gates.html Save my name, email, and website in this browser for the next time I comment. Question 15. Electronic circuits that operate on one or more input signals to produce standard output _____ a) Series circuits b) Parallel Circuits c) Logic Signals d) Logic Gates View Answer LHS = RHS. Answer: What is a logic gate? d) AND d) Logic Gates De- morgan’s second Theorem: View Answer, 10. Our Logic Circuits page explains how these gates can be placed together to form circuits. Simplify the following logical expressions using De – Morgan’s theorems, Answer: Which basic gate is named as Inverter? c) A+B Name another logic gate and complete its truth table. Mention the 3 basic Logic Gates. Answer: Question 1. d) NOT When logic gates are connected to form a gating/logic network it is called as a ______________ logic circuit. What is the output of the two Input NAND gate for the inputs : A = 0, B = 1? = RHS. Answer: If both inputs are positive (1) then there is a negative outcome (0, or OFF). Logic gates are used to carry out logical operations on single or multiple binary inputs and give one binary output. = RHS This set of Computer Fundamentals Multiple Choice Questions & Answers (MCQs) focuses on “Logic Gates”. x = 0 always. a) NAND All are 1. = 0 Both inputs have to be positive (1) before the output is also positive (1). Answer: Question 11. 1. AND, OR and NOT. View Answer, 2. Answer: Write the truth table and standard symbol of NAND gate. A Gate is an electronic circuit which operates on one or more signals and always produces an output signal. Question 22. View Answer. 1. a) True (A + B) . Question 2. From this, we can clearly see what the output would be in any scenario. There are many types of logic gates, each with their own characteristics. 1. NOT AND. What are the values of the two Input to a three input NAND gate, if its output is 1? Write the standard symbol for AND Gate. Universal gate is a gate. Answer: Answer: Question 6. Write the Logic circuit for NOT Gate. If x = 1, then LHD = 0 + 1 This set of Computer Fundamentals Multiple Choice Questions & Answers (MCQs) focuses on “Logic Gates”. Answer: Prepare a truth of combinations for the following Boolean algebra expressions. Your email address will not be published. Question 1. What are the values of the inputs to a three input NAND gate, if its o/p is 0? The gate which is called an inverter is called _________ x + y = x +y Participate in the Sanfoundry Certification contest to get free Certificate of Merit. a) combinational If x = 1, LHS = 1 + y = 1 Answer: Question 7. d) hardwired Proof: Draw the logic gate diagram to implement AND OR gate using NOR gate, (any two gates). Exclusive OR. Draw the logic gate diagram to implement AND and OR gate using NAND gates. Answer: a) A.B The same as AND, but then inverse (NOT) the outcome. This technique of proving theorems is called proof by perfect induction. To practice all areas of Computer Fundamentals, here is complete set of 1000+ Multiple Choice Questions and Answers. Proof: Write the truth table and standard symbol of NOR gate. Karnataka 2nd PUC Computer Science Question Bank Chapter 3 Logic Gates 2nd PUC Computer Science Logic Gates One Mark Questions and Answers. What is a truth table? Students can Download 2nd PUC Computer Science Chapter 3 Logic Gates Questions and Answers, Notes Pdf, 2nd PUC Computer Science Question Bank with Answers helps you to revise the complete Karnataka State Board Syllabus and to clear all their doubts, score well in final exams. RHS = 1 +y = 1 Answer: Question 5. If x = 0, then LHS = 1 + 0 Answer: Electronic circuits that operate on one or more input signals to produce standard output _______ = x Answer: Question 3. 1. 1. = 0 0 = 0 → 1 If both the input are high, the, 0 . Answer: Every possible binary input combination is covered in a truth table. Which are the three logic operations? Simplify the following Boolean expressions. Given an example. View Answer, 5. 1. x + xy + 1 . Question 22. a) AND Write the NOT gate rule, (write the output conditions).

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