Sony Ericsson P910i - Manual (Page 193)

Terms and definitions 193
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PCS
Personal Communications Services, often used to describe GSM
1900 networks.
PDA
Personal Digital Assistant. A handheld computer having
functions such as address book, calendar, and so on.
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.
PNG
Portable Network Graphics. Format for storing images on file
with data compression but without lowering of quality (loss of
information).
POP3
Post Office Protocol 3 is a standard client/server protocol for
receiving email. The email is received and held for you by your
POP server. Periodically, the P910i Messages application can
check your mail-box on the server and download any mail.
Protocol
In information technology, a protocol is the special set of rules
that end points in a telecommunication connection use when
they communicate. Protocols exist at several levels in a
telecommunication connection.
QQVGA
Quarter Quarter VGA, 160 x 120 pixels.
QVGA
Quarter VGA size, typically refers to a portrait oriented screen
240 pixels wide x 320 pixels high.
RS232
A standard for serial transmission between computers and
peripheral devices
SC
Service Centre (for SMS).
Service Provider
A company that provides services and subscriptions to mobile
phone users.