Sony Notebook User Guide
Glossary
116
nN
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 di splays usually use a higher resolu tion 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 dyn amic 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 avai lable on your computer when you purc hase 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 yo ur computer and that enables a VAIO com puter 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
(Public Switched Telephone Network) mode m.
Term Definition