Glossary

Sony Notebook User Guide

 

n N

 

108

Term

Definition

 

 

Resolution

The degree of sharpness and clarity of an image. Resolution is expressed in pixels. Frequent

 

computer screen resolutions are 640 x 480 pixels (VGA resolution; appropriate for a 14-inch

 

screen), 800 x 600 (appropriate for a 15-inch screen), 1024 by 768 (appropriate for a 17-inch

 

screen), and 1280 by 1024. LCD displays usually use a higher resolution than a CRT of the

 

same size.

 

 

RGB signal cable

RGB stands for Red, Green, Blue. A cable that requires separate transmission types for the

 

three colours on the display.

 

 

SDRAM

Synchronous DRAM is a kind of dynamic random access memory running at a much higher

 

clock speed than regular memory.

 

 

SELV

Short for Safety Extra Low Voltage. A secondary circuit which is so designed and protected

 

that its voltages do not exceed a safe value under normal operating conditions,.

 

 

Standard RAM

The amount of RAM that is available on your computer when you purchase it.

 

 

System recovery

A recovery process that enables you to recover the hard disk image initially available on the

 

computer. Performing a system recovery is useful in the event of a serious system crash or if

 

you want to modify the size of your partitions.

 

 

System recovery CD-ROM

CD-ROM that is supplied with your computer and that enables a VAIO computer user to

 

recover the hard disk image that was available when the computer was purchased.

 

 

TFT

Short for Thin Film Transistor. Top-of-the-range notebook display for excellent picture

 

quality. The TFT technology offers the sharpest resolution for flat displays; each pixel is

 

supported by one to four transistors.

 

 

TNV

Short for Telecommunications Network Voltage. A secondary circuit that, under normal

 

operating conditions, carries telecommunication signals. A typical TNV-circuit is a PSTN

 

modem.