Boolean Algebra

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Boolean Algebra: Overview

This topic covers concepts such as Boolean Algebra, De Morgan's Theorem, and Proof of De Morgan's Theorem Using Truth Tables.

Important Questions on Boolean Algebra

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What will be the input of A and B for the Boolean expression A+B¯·A·B¯=1?

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What is the use of De Morgan's theorem?

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The value of A·B+A¯+A is

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The output Y of the given logic circuit is,

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Output C of the network shown is:-

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What is the Boolean equation for the figure?

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In the given circuit, the binary inputs at A and B are both 1 in one case and both 0 in the next case. The respective outputs at Y in these two cases will be

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In the LOGIC gate circuit, if the value of output (R) be 1 then the inputs X and Y can be.

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Select the output Y of the combination of gates shown in figure for inputs A=1,B=0;A=1,B=1 and A=0,B=0 respectively.
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What will be the input of A and B for Boolean expression?

(A+B¯)·(A·B¯)=1

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For given logic diagram, output F=1, then inputs are

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The diagram of a logic circuit is given below. The output A of the circuit is represented by
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The circuit is equivalent to

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Which one of the entries given in the truth table is true for the following logic circuit?

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Sum of the two binary numbers 1000102 and 110112 is

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The Binary Coded Decimal (BCD) equivalent of 429 is

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The truth table for the following logic circuit is
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The circuit diagram shows a logic combination with the states of output X, Y and Z given for inputs P, Q, R and S all at state 1. When inputs P and R change to state 0 with inputs Q and S still at 1, the states of outputs X, Y and Z change to

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In the following circuit Y is

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