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Glossary

ac adapter. An external power supply that converts ac power from a standard household electrical outlet to the low-voltage dc power required to operate your hp Jornada.

Backup. A duplicate copy of your hp Jornada files and data that is stored on your desktop PC, on a CompactFlash card, or in the hp safe store folder.

CompactFlash. A removable media for high-performance memory cards and other peripheral devices such as modems and NICs.

Cradle. A desktop base for your hp Jornada that allows instant connectivity to a desktop PC. The cradle remains connected to your desktop PC, even when you remove your hp Jornada.

DHCP (Dynamic Host Configuration Protocol). A protocol that assigns a dynamic IP address to your hp Jornada each time you connect to a network.

Dial-up connection. A connection between your hp Jornada and another computer by modem. You can have a dial-up connection with an ISP, a network, or with a modem attached to a PC.

Direct connection. A connection between your hp Jornada and another computer by means of the cradle or infrared port.

DNS (Domain Name System). An Internet service that translates domain names into IP addresses. For example, the domain name www.jornada.com might translate as 198.125.247.4.

Driver. A control program that enables a computer to work with a specific peripheral device.

Flash ROM. See ROM.

IMAP4 (Internet Messaging Access Protocol v4). A protocol that enables a computer to retrieve messages from a mail server.

Infrared port. A communication port that uses optical (infrared) signals rather than wires or cables to transmit data.

Internet. A worldwide network of computers offering services such as e- mail, the Worldwide Web, FTP, Usenet news, and others.