Glossary
155
H
hard drive
— A drive that reads and writes data on a hard disk. The terms hard drive
and hard disk are often used interchangeably.
heat sink
— A metal plate on some processors that helps dissipate heat.
hibernate mode
— A power management mode that saves everything in memory to a
reserved space on the hard drive and then turns off the computer. When you restart
the computer, the memory information that was saved to the hard drive is
automatically restored.
HTTP
— hypertext transfer protocol — A protocol for exchanging files between
computers connected to the Internet.
Hyper-Threading
— Hyper-Threading is an Intel technology that can enhance overall
computer performance by allowing one physical processor to function as two logical
processors, capable of performing certain tasks simultaneously.
Hz
— hertz — A unit of frequency measurement that equals 1 cycle per second.
Computers and electronic devices are often measured in kilohertz (kHz), megahertz
(MHz), gigahertz (GHz), or terahertz (THz).
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.
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.
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Summary of Contents for Vostro 500
Page 12: ...12 Contents Downloaded from www Manualslib com manuals search engine ...
Page 18: ...18 Finding Information Downloaded from www Manualslib com manuals search engine ...
Page 38: ...38 Setting Up Your Computer Downloaded from www Manualslib com manuals search engine ...
Page 46: ...46 Using the Keyboard and Touch Pad Downloaded from www Manualslib com manuals search engine ...
Page 54: ...54 Using a Battery Downloaded from www Manualslib com manuals search engine ...
Page 66: ...66 Using Cards Downloaded from www Manualslib com manuals search engine ...
Page 124: ...124 Adding and Replacing Parts Downloaded from www Manualslib com manuals search engine ...
Page 140: ...140 Specifications Downloaded from www Manualslib com manuals search engine ...
Page 170: ...170 Index Downloaded from www Manualslib com manuals search engine ...