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11 glossary – Philips SPF2047 User Manual

Page 36

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EN

35

English

MMC Card
MultiMedia Card. A fl ash memory card that
provides storage for cellphones, PDAs and
other handheld devices. The card uses fl ash
memory for read/write applications or ROM
chips (ROM-MMC) for static information, the
latter widely used for adding applications to a
Palm PDA.

S

SD Card
Secure Digital Memory Card. A fl ash memory
card that provides storage for digital cameras,
cellphones and PDAs. SD Cards use the same
32 x 24mm form factor as the MultiMediaCard
(MMC), but are slightly thicker (2.1mm vs.
1.4mm), and SD Card readers accept both
formats. Cards up to 4GB are available.

X

xD Card
EXtreme Digital Picture Card. A fl ash memory
card used in digital cameras.

11 Glossary

A

Aspect ratio
Aspect ratio refers to the length to height ratio
of TV screens. The ratio of a standard TV is 4:3,
while the ratio of a high-defi nition or wide TV
is 16:9. The letter box allows you to enjoy a
picture with a wider perspective on a standard
4:3 screen.

J

JPEG
A very common digital still picture format. A
still-picture data compression system proposed
by the Joint Photographic Expert Group, which
features small decrease in image quality in
spite of its high compression ratio. Files are
recognized by their fi le extension ‘.jpg’ or ‘.jpeg.’

K

Kensington lock
A Kensington Security Slot (also called a K-Slot
or Kensington lock). Part of an anti-theft system.
It is a small, metal-reinforced hole found on
almost all small or portable computer and
electronics equipment, particularly on expensive
and/or relatively light ones, such as laptops,
computer monitors, desktop computers,
gaming consoles, and video projectors. It is
used for attaching a lock-and-cable apparatus, in
particular those from Kensington.

M

Memory Stick
Memory Stick. A fl ash memory card for digital
storage on cameras, camcorders and other
handheld devices.

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