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User’s Manual Glossary-1
PORTÉGÉ M780
Glossary
The terms in this glossary cover topics related to this manual. Alternate
naming is included for reference.
Abbreviations
AC: alternating current
ANSI: American National Standards Institute
ASCII: American Standard Code for Information Interchange
BIOS: basic input output system
bps: bits per second
CD: compact disc
CD-ROM: Compact Disc-Read Only Memory
CD-RW: Compact Disc-ReWritable
CMOS: complementary metal-oxide semiconductor
CPU: central processing unit
CRT: cathode ray tube
DC: direct current
DDC: display data channel
DDR: double data rate
DIMM: dual inline memory module
DMA: direct memory access
DOS: disk operating system
DVD: digital versatile disc
DVD-R: Digital Versatile Disc-Recordable
DVD-RAM: Digital Versatile Disc-Random Access Memory
DVD-R (Dual Layer): Digital Versatile Disc Recordable Dual Layer
DVD-ROM: Digital Versatile Disc-Read Only Memory
DVD-RW: Digital Versatile Disc-ReWritable
DVD+R (Double Layer): Digital Versatile Disc Recordable Double Layer
ECP: extended capabilities port
FDD: floppy diskette drive