Hardware Bible

Moving electrons—electricity—are the media of their thoughts. Electrical pulses course from one circuit to another, switched off or on in an instant by logic chips. Circuits combine the electrical pulses together to make logical decisions and send ou...

The intermediary that translates AC from your electrical outlets into the DC that your computer's circuits need is called the power supply. As it operates, the power supply of your computer attempts to make the direct current supplied to your compute...

Outside of the physical difference in packaging, notebook computers differ from desktop machines most significantly in that they are designed with self-contained power systems. They hold their own electricity and can run on batteries. The power versa...

With few advances in battery storage density expected in the near-term future, computer-makers have relied on reducing the power consumption of their notebook computers to extend the time a machine can operate between battery charges. Engineers can ...

Normal line voltage is often far from the 115-volt alternating current you pay for. It can be a rather inhospitable mixture of aberrations such as spikes and surges mixed with noise, dips, and interruptions. None of these oddities is desirable, and s...