If you do any IT work with Windows, you may find a time when you need to map a network drive to a drive letter through the command line. For instance, you may need to write a batch file that maps a drive to a server, copies some files, and then deletes the mapped drive.

Mapping a drive like this is done using the net command - or more specifically the net use command. The net use command connects a computer to or disconnects a computer from a shared resource, or displays information about computer connections.

Have you had your Diet Pepsi Max today? Or maybe a twenty dollar cup of Loca-Moca-Frappe-Caramelo-Choco-Latte made with low-fat soy milk? If you're like many people you feel a need to have a daily intake of caffeine in order to function normally. But how much caffeine is safe for a person to consume?

The hard drive, or hard disk drive (HDD), is the device inside your computer that allows you to permanently store data. The hard drive is a mechanical device that has rotating platters inside of a sealed case. Digitally encoded data is stored on and retrieved from the magnetic surfaces of these platters via a moving actuator arm with read-and-write heads on it. Since the data is stored magnetically, you should never allow magnets near a hard drive. Or else your data may become corrupt. Since a hard drive is a mechanical device, something will eventually go wrong with it and it will die. Because of this, you should always keep backups of important data in a safe place

RAM, or Random Access Memory, is a type of data storage in your computer. It can be considered as your computer's "main memory". RAM consists of a group of computer chips on a small circuit board - sometimes called a "stick". Your computer motherboard has one stick, or more, of RAM attached to it. The memory sticks are about 5 inches wide by 2 inches tall and snap into a socket on your computer's motherboard. Most PC's are designed so that RAM is easily replaceable.