March 8, 2011
The power supply (power supply unit or PSU) is a rectangular box with several cables that fits in the top back of the case. Its primary purpose is converting AC power from an outlet to DC power the computer can use. The cables have connectors on the ends which supply different voltages to various internal [...]
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March 8, 2011
Every PC or laptop must have RAM (Random Access Memory). RAM is temporary storage, meaning that once a computer is turned off, everything stored in it is lost. When an application is opened, it is copied into RAM. Having adequate computer memory is important. Even with a fast processor, not having enough memory can result [...]
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