## Conversion between hexadecimal and decimal

What you should know: In the previous lesson we showed that hexadecimal format is used whenever there is the need to represent a binary number. This is because the conversion between the two formats is very easy and, with the right training, can be performed on the fly without the need to use a calculator […]

## Exercises. Decimal to binary conversion

What you should know: Convert the following decimal numbers to binary Show solution Number Condition Rightmost bit 48 even 0 24 even 0 12 even 0 6 even 0 3 odd 1 1 odd 1 The solution is 110000 Show solution Numero Condizione Bit a destra 151 odd 1 75 odd 1 37 odd 1 […]

What you should know: In the previous lessons, we’ve shown that the conversion between binary and decimal can be time consuming specifically when dealing with large numbers. Moreover, the binary representation uses about 3.3 bits for every decimal digit. This means that binary representations are usually too long to be read comfortably. Hexadecimal and octal […]

## Decimal to binary converter

What you should know: Input any decimal value. The result is: More resources:

## Binary to decimal converter

What you should know: Input any binary value. The result is: More resources:

## Binary data encoding

Computers represent and memorize data using electronic components that can assume only two states: on or off, just like a switch. The information that can be stored in a switch is the simplest that can be stored in a computer system and is called a bit. This means that every kind of information that we […]

## WordPress Linux installation

WordPress is a very popular content management software, because it allows anyone to build a website, even without any knowledge about HTML or programming. This tutorial should work on several Debian based Linux versions, and has been specifically tested on Ubuntu and Raspberry running the Raspbian operating system. Apache installation The engine running at the […]

## CR circuit: harmonic response

In this article, we will deal with a simple high pass filter, made using a capacitor and a resistor, connected in series. We already saw something similar in the article about a RC circuit, but this time the output voltage will be measured on the resistor instead of the capacitor. Obviously the circuit will behave […]

## RLC circuit: harmonic response

In this article, a resonant RLC circuit will be analyzed. This circuit contains a capacitor and an inductor that continuously exchange their energy with one another. As a result this kind of device can manifest an oscillator behaviour and its transfer function includes a second order factor in the denominator. Another interesting feature of this […]

## Differentiator: harmonic response

This article deals with a simple differentiator circuit, using an operational amplifier.   If we use the generic formula of the transfer function of a generic operational inverting amplifier, we can write: Where is the feedback impedance, while is the impedance connected to the input. The transfer function has just one zero in the origin […]