QWERTY - The first 6 letters on English-language keyboards are Q-W-E-R-T-Y. The first 6 letters on French-language keyboards are A-Z-E-R-T-Y. (来源：EnglishCN.com)
RAM, ROM - Two types of memory. RAM (Random Access Memory) is the main memory used while the PC is working. RAM is temporary. ROM (Read Only Memory) is for information needed by the PC and cannot be changed.
Resolution - The number of dots or pixels per inch (sometimes per centimetre) used to create the screen image.
Scanner - Equipment for converting paper documents to electronic documents that can be used by a computer.
Serial port - Socket at the back of a PC for connecting peripherals.
Taskbar, Start button - Two areas of the screen in Windows 95. The taskbar, at the bottom of the screen, shows the programs in use. The start button, in the bottom left corner, is for opening new programs.
TFT - Thin Film Transistor, a type of high quality screen for notebook computers.
Virus - A small, unauthorized program that can damage a PC.
Windows - An operating system used by the majority of PCs. The current versions are Windows 98 and Windows NT.
World Wide Web, WWW, the Web - WWW are initials that stand for World Wide Web. The Web is one of the services available on the Internet. It lets you access millions of pages through a system of links. Because it is 'world-wide', it was originally called the World Wide Web or WWW.
WYSIWIG - 'What You See Is What You Get.' With a WYSIWIG program, if you print a document it looks the same on paper as it looks on the screen.