Blackberry 2012 Annual Report Download - page 103

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95
Packet-
Switched
Network
A network in which the data to be transmitted is divided into standard-sized
packets, each of which is given the receiver’s address. Each of the packets
that make up the transmission travels separately; packets do not have to travel
in sequence or by the same paths. When all the packets have arrived at their
destination, the receiver reassembles them into the ori
g
inal messa
g
e.
Prosumer
Prosumer refers to ‘professional consumers’. The prosumer is typically
looking to purchase and use professional-level equipment for both their
business and personal lives.
BlackBerry Prosumer is a hosted wireless email solution for professional
consumers and does not include access to the BlackBerry Enterprise Server
solution.
QWERTY
The modern-day keyboard layout on English-language computer and
typewriter keyboards. It takes its name from the first six characters seen in
the far left of the ke
y
board’s to
p
row of letters.
ROM
Read Only Memory. A class of storage media used in computers and other
electronic devices. Once data has been written to a ROM chip, it cannot be
removed and can onl
y
be read.
SD
K
Software Developers Kit. A set of software routines and utilities used to help
p
ro
g
rammers write an a
pp
lication.
SME
Small and Medium-sized Enter
p
rise.
SMS
Short Message Service. A text message service that enables short messages
of generally no more than 140-160 characters in length to be sent and
transmitted from a wireless device and is broadly supported on cellular
phones. SMS was introduced in the GSM system and later supported by all
other di
g
ital-based mobile communications s
y
stems.
SSL
Secure Sockets Layer. Protocols that provide security to Internet
communications b
y
encr
yp
tin
g
the se
g
ments of network connections.
UMTS
See 3G wireless.
Virtual pre-load
An icon or program sent wirelessly to a user’s device without the end user
initiatin
g
the transfer.
WCDMA
See 3G wireless.
Wi-Fi
Wireless Fidelity. A generic term for referring to wireless network
components that run on the Wi-Fi Alliances IEEE 802.11 wireless standards.
The standard was created so that manufacturers could produce wireless
e
q
ui
p
ment that would be com
p
atible with one another.