Glossary
101
IEEE
Institute of Electrical and Electronics Engineers
I/O
Input/Output
IRQ
interrupt request
ISP
Internet Service Provider
KB
kilobyte
LCD
Liquid Crystal Display
LED
Light Emitting Diode
MB
megabyte
RAM
Random Access Memory
RFI
Radio Frequency Interference
ROM
Read-Only Memory
RTC
Real-Time Clock
SD
Secure Digital
TFT
Thin Film Transistor
USB
Universal Serial Bus
URL
Uniform Resource Locator
WAN
Wide Area Network
www
World Wide Web
WLAN
Wireless Local Area Network
Terms
The following terms may appear in this User’s Guide.
A
active-matrix display
—A liquid crystal display (LCD) made
from an array of liquid crystal cells using active-matrix
technology. Also known as a “TFT display,” in its simplest
form there is one thin film transistor (TFT) for each cell. This
type of display works well with tablet devices because of its
shallow depth and high-quality color. Active-matrix displays
are viewable from wider angles than most passive-matrix
displays.