Toshiba Satellite C655-SP6008L User Manual - Page 209

M, LCD Liquid Crystal Display

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209 Glossary LED (Light Emitting Diode)-A solid state lamp (SSL) that uses lightemitting diodes (LEDs) as the source of light, which offers long life and high efficiency output. Multiple diodes are used together, since the light created by individual light-emitting diodes is small compared to incandescent and compact fluorescent lamps. LCD (Liquid Crystal Display)-A type of display that uses a liquid substance between two transparent electrode panels. When an electric current passes through the electrodes, the molecules in the liquid form a crystalline pattern that polarizes the light passing through it. A filter over the electrodes permits only non-polarized light to pass to the surface of the display, creating light and dark pixels. load-To move information from a storage device (such as a hard disk) into memory for processing. local area network-See LAN. logical drive-A section of a disk that is recognized by the operating system as a separate disk drive. A system's logical drives may differ from its physical drives. For example, a single hard disk drive may be partitioned into two or more logical drives. M memory-Typically refers to the computer's main memory, where programs are run and data is temporarily stored and processed. Memory can be volatile and hold data temporarily, such as RAM, or it can be nonvolatile and hold data permanently, such as ROM. A computer's main memory is RAM. See also RAM, ROM. microprocessor-See Central Processing Unit (CPU). MIDI (Musical Instrument Digital Interface)-A standard for connecting musical instruments, synthesizers, and computers. The MIDI standard provides a way of translating music into a form computers can use, and vice versa. modem-Short for "modulator/demodulator." A device that converts information from digital to analog, and back to digital, enabling information to pass back and forth between digital computers and analog telephone lines. motherboard-The computer's main circuit board that contains the processor, memory, and other primary components. MS-DOS prompt-See system prompt.

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Glossary
209
LED (Light Emitting Diode)
—A solid state lamp (SSL) that uses light-
emitting diodes (LEDs) as the source of light, which offers long life
and high efficiency output. Multiple diodes are used together, since
the light created by individual light-emitting diodes is small
compared to incandescent and compact fluorescent lamps.
LCD (Liquid Crystal Display)
—A type of display that uses a liquid
substance between two transparent electrode panels. When an
electric current passes through the electrodes, the molecules in the
liquid form a crystalline pattern that polarizes the light passing
through it. A filter over the electrodes permits only non-polarized
light to pass to the surface of the display, creating light and dark
pixels.
load
—To move information from a storage device (such as a hard disk)
into memory for processing.
local area network
—See
LAN.
logical drive
—A section of a disk that is recognized by the operating
system as a separate disk drive. A system’s logical drives may differ
from its physical drives. For example, a single hard disk drive may
be partitioned into two or more logical drives.
M
memory
—Typically refers to the computer’s main memory, where
programs are run and data is temporarily stored and processed.
Memory can be volatile and hold data temporarily, such as RAM, or
it can be nonvolatile and hold data permanently, such as ROM. A
computer’s main memory is RAM. See also
RAM
,
ROM.
microprocessor
—See
Central Processing Unit (CPU).
MIDI (Musical Instrument Digital Interface)
—A standard for
connecting musical instruments, synthesizers, and computers. The
MIDI standard provides a way of translating music into a form
computers can use, and vice versa.
modem
—Short for “modulator/demodulator.” A device that converts
information from digital to analog, and back to digital, enabling
information to pass back and forth between digital computers and
analog telephone lines.
motherboard
—The computer’s main circuit board that contains the
processor, memory, and other primary components.
MS-DOS prompt
—See
system prompt.