UNIX

A powerful operating system that supports multitasking and is especially suited to multi-user environments. UNIX is compatible with a range of computers, from personal computers to mainframes. See also Operating system.

VGA

Video Graphics Array. A type of high-resolution display adapter that provides a variety of video modes. Your computer’s built-m VGA controller supports resolutions up to 1024 x 768 on a compatible monitor.

Video card

See Display adapter curd.

VirtualCache

The Epson proprietary feature that automatically creates a “virtual cache” buffer the size of your installed system memory to speed up data access. See also Cache.

Write

To transfer data to a storage device (such as a disk) or an output device (such as a monitor or printer). Data written to a disk is stored for later retrieval; data written to a monitor is not stored. See also Read.

Write-protect

To protect the data on a diskette from being changed by placing a write-protect tab over the notch on a 5.25-inch diskette or by setting the write-protect switch on a 3.5-inch diskette. You can also write-protect a file on a disk by using software to designate the file read-only. When a diskette or file is write-protected, you cannot erase, change, or record over its contents.

22Glossary