It's cheaper and easier to order extra RAM now rather than add more later. This refers to the speed of the computer's processor. Similar to the CD's you listen to, these disks can contain programs or large files. Similar to CD-ROMs, but capable of holding more information. These are two terms for measuring file size or the size of a hard drive or other storage system.
Operating systems contain the core instructions a computer needs to function.
Application Informally, it's another word for program. Technically, an application can comprise several programs. Some examples are Microsoft Office, Lotus SmartSuite, and WordPerfect Office. Modem A device that lets your computer use your telephone line for email and Internet sessions. Shop O2 .