Solving Steps, Solved Example Problems
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
Boolean functions using Boolean postulates and theorems. It is a time consuming process and re-write the simplified expressions after each step.
Solved Example Problems | Boolean Algebra
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
Logical functions are generally expressed in terms of logical variables values taken on by the logical functions and logical variables are in the binary form.
Operation, Block diagram, Logic Circuit, Example, Truth Table | Digital Electronics
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
Encoder is a combinational circuit which is designed to perform the inverse operation of the decoder. An encoder has n number of input lines and m number of output lines.
Operation, Block diagram, Logic Circuit, Example, Truth Table | Digital Electronics
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
A decoder is a combinational circuit. It has n input and to a maximum m = 2n outputs. Decoder is identical to a demultiplexer without any data input.
Operation, Block diagram, Example, Truth Table | Digital Electronics
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
A demultiplexer performs the reverse operation of a multiplexer, it receives one input and distributes it over several outputs.
Operation, Block diagram, Example, Truth Table | Digital Electronics
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
Multiplexer is a special type of combinational circuit. There are n-data inputs, one output and m select inputs
Operation, Circuit diagram, Logic Symbol, Truth Table, Equation | Digital Electronics
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
The half-subtractor is a combinational circuit which is used to perform subtraction of two input (A & B) and two outputs (D & Bout).
Operation, Circuit diagram, Logic Symbol, Truth Table, Equation | Digital Electronics
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
Digital computers and calculators consist of arithmetic and logic circuit. The basic building blocks of the arithmetic unit in a digital computer are adders.
Digital Electronics
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
Combinational circuit is a circuit in which combine the different gates in the circuit, for example encoder, decoder, multiplexer and demultiplexer.
Solved Example Problems | Boolean Algebra
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
Minimization of Boolean Expressions using Algebraic Method (a) problems
Boolean Algebra
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
The Demorgan's theorem have two laws.The complement of a product is equal to the sum of the complements.The complement of a sum is equal to the product of the complements.
Properties | Boolean Algebra
Subject and UNIT: Basic Electrical and Electronics Engineering: Unit IV: Digital Electronics
The table shows the list theorems of Boolean algebra and four of it postulates.