User's Manual Part 2

Terms and definitions 183
Preliminary
MPEG-4
The Moving Picture Experts Group, develops standards for
digital video and digital audio compression. It operates under
the auspices of the International Organization for
Standardization (ISO). MPEG-4 goes far beyond compression
methods: Instead of treating the data as continuous streams,
MPEG-4 deals with audio/video objects that can be manipulated
independently, allowing for interaction with the coded data and
providing flexibility in editing. MPEG-4 supports a wide range
of audio and video modes and transmission speeds. It also deals
with intellectual property and protection issues.
OS
Operating System, such as Symbian OS, Linux, Microsoft
Windows.
OTA
Over The Air. A technology for transmission and reception of
application related configuration information in a wireless
communications system.
PC
Personal Computer.
PCS
Personal Communications Services, often used to describe GSM
1900 networks.
PDF
Portable Document Format. A format created by Adobe for
storing and distributing documents.
Phone book
A memory in the SIM card where phone numbers can be stored
and accessed by name or position.
PIM
Personal Information Management. Generic term for
applications such as Contacts, Calendar, Tasks, and so on.
PIN
A PIN is a personal identification number. PINs are commonly
assigned to bank customers for use with automatic cash
dispensers. They are also used, sometimes with a security token,
for individual access to computer networks or other secure
systems.
POP3
Post Office Protocol 3 is a standard client/server protocol for
receiving e-mail. The e-mail is received and held for you by
your Internet server. Periodically, you (or your client e-mail
receiver) can check your mail-box on the server and download
any mail.
QQVGA
Quarter Quarter VGA, 160 x 120 pixels.
P800_UM.book Page 183 Wednesday, August 28, 2002 4:19 PM