Whether an avowed DIYer or professional mechanic, keeping track of tools can add unwanted stress to your project. These ...

During 1950s punch cards gave way to magnetic storage devices, when UNIVAC I, first commercial computer produced in the United States used tape drive as primary input-output (IO) device. These tape ...

Secondary storage close secondary storageNon-volatile memory external to the CPU and used for long-term storage of programs and data.devices are generally separated into three types: As the disk ...

Magnetic devices are fairly cheap ... Optical media also come in different types: Solid state devices require little power, making them ideal for portable devices where battery life is a big ...