Dell Dimension 9200 Owner's Manual - Page 163

Infrared Data Association - The organization, Institute of Electrical and Electronics - compatible processors

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I IC - integrated circuit - A semiconductor wafer, or chip, on which thousands or millions of tiny electronic components are fabricated for use in computer, audio, and video equipment. IDE - integrated device electronics - An interface for mass storage devices in which the controller is integrated into the hard drive or CD drive. IEEE 1394 - Institute of Electrical and Electronics Engineers, Inc. - A high-performance serial bus used to connect IEEE 1394-compatible devices, such as digital cameras and DVD players, to the computer. infrared sensor - A port that allows you to transfer data between the computer and infrared-compatible devices without using a cable connection. integrated - Usually refers to components that are physically located on the computer's system board. Also referred to as built-in. I/O - input/output - An operation or device that enters and extracts data from your computer. Keyboards and printers are I/O devices. I/O address - An address in RAM that is associated with a specific device (such as a serial connector, parallel connector, or expansion slot) and allows the processor to communicate with that device. IrDA - Infrared Data Association - The organization that creates international standards for infrared communications. IRQ - interrupt request - An electronic pathway assigned to a specific device so that the device can communicate with the processor. Each device connection must be assigned an IRQ. Although two devices can share the same IRQ assignment, you cannot operate both devices simultaneously. ISP - Internet service provider - A company that allows you to access its host server to connect directly to the Internet, send and receive e-mail, and access websites. The ISP typically provides you with a software package, user name, and access phone numbers for a fee. K Kb - kilobit - A unit of data that equals 1024 bits. A measurement of the capacity of memory integrated circuits. KB - kilobyte - A unit of data that equals 1024 bytes but is often referred to as 1000 bytes. key combination - A command requiring you to press multiple keys at the same time. kHz - kilohertz - A measurement of frequency that equals 1000 Hz. L LAN - local area network - A computer network covering a small area. A LAN usually is confined to a building or a few nearby buildings. A LAN can be connected to another LAN over any distance through telephone lines and radio waves to form a wide area network (WAN). LCD - liquid crystal display - The technology used by portable computer and flat-panel displays. LED - light-emitting diode - An electronic component that emits light to indicate the status of the computer. local bus - A data bus that provides a fast throughput for devices to the processor. LPT - line print terminal - The designation for a parallel connection to a printer or other parallel device. M Mb - megabit - A measurement of memory chip capacity that equals 1024 Kb. Mbps - megabits per second - One million bits per second. This measurement is typically used for transmission speeds for networks and modems. MB - megabyte - A measurement of data storage that equals 1,048,576 bytes. 1 MB equals 1024 KB. When used to refer to hard drive storage, the term is often rounded to 1,000,000 bytes. Glossary 163

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Glossary
163
I
IC
— integrated circuit — A semiconductor wafer, or
chip, on which thousands or millions of tiny electronic
components are fabricated for use in computer, audio, and
video equipment.
IDE
— integrated device electronics — An interface for
mass storage devices in which the controller is integrated
into the hard drive or CD drive.
IEEE 1394
— Institute of Electrical and Electronics
Engineers, Inc. — A high-performance serial bus used to
connect IEEE 1394-compatible devices, such as digital
cameras and DVD players, to the computer.
infrared sensor
— A port that allows you to transfer data
between the computer and infrared-compatible devices
without using a cable connection.
integrated
— Usually refers to components that are
physically located on the computer’s system board. Also
referred to as
built-in
.
I/O
— input/output — An operation or device that enters
and extracts data from your computer. Keyboards and
printers are I/O devices.
I/O address
— An address in RAM that is associated with
a specific device (such as a serial connector, parallel
connector, or expansion slot) and allows the processor to
communicate with that device.
IrDA
— Infrared Data Association — The organization
that creates international standards for infrared
communications.
IRQ
— interrupt request — An electronic pathway
assigned to a specific device so that the device can
communicate with the processor. Each device connection
must be assigned an IRQ. Although two devices can share
the same IRQ assignment, you cannot operate both
devices simultaneously.
ISP
— Internet service provider — A company that allows
you to access its host server to connect directly to the
Internet, send and receive e-mail, and access websites.
The ISP typically provides you with a software package,
user name, and access phone numbers for a fee.
K
Kb
— kilobit — A unit of data that equals 1024 bits.
A measurement of the capacity of memory integrated
circuits.
KB
— kilobyte — A unit of data that equals 1024 bytes
but is often referred to as 1000 bytes.
key combination
— A command requiring you to press
multiple keys at the same time.
kHz
— kilohertz — A measurement of frequency that
equals 1000 Hz.
L
LAN
— local area network — A computer network
covering a small area. A LAN usually is confined to a
building or a few nearby buildings. A LAN can be
connected to another LAN over any distance through
telephone lines and radio waves to form a wide area
network (WAN).
LCD
— liquid crystal display — The technology used by
portable computer and flat-panel displays.
LED
— light-emitting diode — An electronic component
that emits light to indicate the status of the computer.
local bus
— A data bus that provides a fast throughput for
devices to the processor.
LPT
— line print terminal — The designation for a
parallel connection to a printer or other parallel device.
M
Mb
— megabit — A measurement of memory chip
capacity that equals 1024 Kb.
Mbps
— megabits per second — One million bits per
second. This measurement is typically used for
transmission speeds for networks and modems.
MB
— megabyte — A measurement of data storage that
equals 1,048,576 bytes. 1 MB equals 1024 KB. When used
to refer to hard drive storage, the term is often rounded to
1,000,000 bytes.