Electronics

Electrons are tiny particles that are parts of atoms. An electric current is a flow of electrons. Electronics is the study of how electrons behave and how they can be controlled so...

Digital electronics

In many electronic circuits, such as those in radios, the electric current can be of any strength. These circuits are called analogue circuits. In digital circuits, the current can...

Microchips

Until the 1970s, almost all electronic devices were built by soldering (connecting by molten metal) single electronic components on to a circuit board by their legs. Metal tracks...

Computers

Computers are very useful electronic machines. They can be used for accessing the internet, flying an aircraft, designing a car, storing data, playing games and many other...

Electronics A-Z

Computers A-Z

Who invented the computer?

There is no simple answer to this question, because the definition of what a computer actually is has changed over the years. The first mechanical computer, which was created by...