Toshiba C55-C5243 Owner's Manual

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Glossary

hardware

—The physical components of a computer system. 

Compare 

software.

HDMI (High-Definition Multimedia Interface)

—An 

interface used to transmit high quality audio and video signal 
via a single cable in digital format, providing better picture 
quality than analog signal.

HDMI-CEC (HDMI Consumer Electronics Control)

—

One A/V component can control another while using this 
function, if connected with HDMI cables. See also 

HDMI. 

hot swapping

—The ability to add or remove devices from a 

computer while the computer is running and have the 
operating system automatically recognize the change.

I

icon

—A small image displayed on the screen that represents a 

function, file, or program.

interlaced

—A method of refreshing a computer screen, in 

which only every other line of pixels is refreshed. Interlaced 
monitors take two passes to create a complete screen 
image. Compare 

non-interlaced.

internal device

—See 

device.

Internet

—The decentralized, world-wide network of computers 

that provides electronic mail, the World Wide Web, and other 
services. See also 

World Wide Web.

K

keyboard shortcut

—A key or combination of keys that you 

use to perform a task instead of using a pointing device such 
as a mouse. 

L

L1 (level one) cache

—Memory cache built into the processor 

to help improve processing speed. See also 

cache, CPU 

cache, L2 cache.

L2 (level two) cache

—Memory cache installed on the 

motherboard to help improve processing speed. It is slower 
than L1 cache and faster than main memory. See also 
cache, CPU cache, L1 cache.

LAN (Local Area Network)

—A group of computers or other 

devices dispersed over a relatively limited area and 
connected by a communications link that enables any 
device to interact with any other on the network.