Compaq 277958-001 manual See Internet phone

Understanding Computer Terms

utility

A small program that helps your computer to manage system resources for optimum performance. For example, anti-virus, diagnostic, file backup, file compression, and font management utilities.

V

V.90 standard

A standard adopted in 1998 to resolve competition between two technologies for 56KBps modems. (If your modem does not conform to the V.90 standard, you can visit the manufacturer’s Web site and download a software update.)

video CD

A standard for displaying full motion pictures with associated audio on CD. The video and sound are compressed together using the MPEG1 standard and recorded onto a CD Bridge CD. Video CDs contain one data track recorded in CD-ROM XA Mode 2 Form 2. This is always the first track on the CD (Track 1). The ISO 9660 file structure and a CD-I application program are recorded on this track, as well as

the Video CD information area that gives general information about the Video CD. After the data track, video is written in one or more subsequent tracks within the same session. These tracks are also recorded in Mode Form 2. The session is closed after all tracks have been written.

video phone

See Internet phone.

virus

A program written to cause harm to computers. A virus can cause unusual messages to be displayed on the screen, destroy information on the hard drive, or cause your hard drive to crash. Some viruses affect your computer immediately; others are set to activate on a certain date. See anti-virus utility. See also program, hard disk, and hard drive.

Learning More About Your Computer 5–33