# Category Archives: Digital Electronics & Logic Design

## Digital Logic | Minimization of Boolean FunctionsOctober 18, 2017

As discussed in the “Representation of Boolean Functions” every boolean function can be expressed as a sum of minterms or a product of maxterms. Since… Read More »

## Mathematics | Representation of Boolean FunctionsOctober 15, 2017

A Boolean function is described by an algebraic expression consisting of binary variables, the constants 0 and 1, and the logic operation symbols For a… Read More »

## Digital Logic | Logic GatesOctober 13, 2017

In Boolean Algebra, there are three basic operations, which are analogous to disjunction, conjunction, and negation in propositional logic. Each of these operations has a… Read More »

## Digital Logic | Introduction of Sequential Circuits

A Sequential circuit combinational logic circuit that consists of inputs variable (X), logic gates (Computational circuit), and output variable (Z). Combinational circuit produces an output… Read More »

## Digital Logic | Full SubtractorOctober 10, 2017

A full subtractor is a combinational circuit that performs subtraction of two bits, one is minuend and other is subtrahend, taking into account borrow of… Read More »

## Read-Only Memory (ROM) | Classification and ProgrammingJune 19, 2017

Read-Only Memory (ROM) is the primary memory unit of any computer system along with the Random Access Memory (RAM), but unlike RAM, in ROM, the… Read More »

## Half Adder and Half Subtractor using NAND NOR gatesMarch 21, 2017

Implementation of Half Adder using NAND gates : Total 5 NAND gates are required to implement half adder. Implementation of Half Adder using NOR gates… Read More »

## Full Adder | Digital Electronics

Full Adder is the adder which adds three inputs and produces two outputs. The first two inputs are A and B and the third input… Read More »

## Multiplexers | Digital Electronics

It is a combinational circuit which have many data inputs and single output depending on control or select inputs.​ For N input lines, log n… Read More »

## Synchronous Sequential Circuits | Digital LogicMarch 8, 2017

Steps to solve a problem: 1. Draw the state diagram from the problem statement or from the given state table. Example: Serial Adder. The functioning… Read More »

## Floating Point Representation | Digital Logic

1. To convert the floating point into decimal, we have 3 elements in a 32-bit floating point representation:     i) Sign     ii)… Read More »

## Digital Signatures and CertificatesJanuary 24, 2017

Encryption – Process of converting electronic data into another form, called cipher text, which cannot be easily understood by anyone except the authorized parties.This assures… Read More »

## Flip-flop types and their ConversionJanuary 19, 2017

Flip-flop is a circuit that maintains a state until directed by input to change the state. A basic flip-flop can be constructed using two-NAND or… Read More »

## LMN – Digital ElectronicsFebruary 5, 2016

See Last Minute Notes on all subjects here. We will discuss the important key points useful for GATE exams in summarized form. For details you… Read More »