The more RAM a computer has, the less often it has to read information off of a disk. This is where the computer temporarily holds the data it needs to perform various functions. Memory: Also referred to as RAM, or Random Access Memory. One gigahertz is equal to one million hertz. Megahertz (MHz): This is a measurement of processor speed. One megabyte is equal to about one million bytes. Megabyte (MB): This is a measurement of hard drive capacity. LCD monitors are thin and lightweight and have little to no glare. LCD (Liquid Crystal Display): This is a type of monitor that has a flat screen as opposed to a more traditional curved glass tube screen. Hardware: The physical components of a computer system such as the keyboard, monitor and tower. This size of a hard drive is usually expressed in gigabytes (GB). This is where the computer permanently stores information, including the operating system and other software. One gigahertz is equal to one billion hertz. Gigahertz (GHz): This is a measurement of processor speed. One gigabyte is equal to about one billion bytes. Gigabyte (GB): This is a measurement of hard drive capacity. Most computers today have ethernet capability. A DVD can hold more information than a CD.Įthernet: A common method of connecting computers to a Local Area Network or LAN. A DVD can hold more information than a CD.ĭVD-RW (Digital Video Disk Re-Writable): This is a DVD that can store computer information that can be recorded and re-recorded many times. A CD can hold less information than a DVD but is also less expensive.ĬD-RW (Compact Disk Re-Writable): This is a CD that can be recorded and re-recorded many times.ĭVD-ROM (Digital Video Disk Read Only Memory): A DVD that stores information a computer can read but not alter. Different computer models can have different bus speeds.ĬD-R (Compact Disk Recordable): This is a CD that can be recorded or "burned" only once.ĬD-ROM (Compact Disk Read Only Memory): A CD that stores information a computer can read but not alter. Please see the Details tab to view the model number.ĪGP (Accelerated Graphics Port): A computer with an AGP will allow you to add a video card that will greatly increase the speed at which the computer can display graphics.īus: Refers to the path data travels on through a computer.
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