Chapter 1 Introduction
Compaq Deskpro Personal Computers
Third Edition – April 2001
1-8
Table 1-1.  Acronyms and Abbreviations  Continued
Acronym/Abbreviation Description 
TAD  telephone answering device 
TAFI  Temperature-sensing And Fan control Integrated circuit 
TCP tape carrier package 
TF trap flag 
TFT thin-film transistor 
TIA Telecommunications Information Administration 
TPE  twisted pair ethernet 
TPI  track per inch 
TTL transistor-transistor logic 
TV television 
TX transmit 
UART  universal asynchronous receiver/transmitter 
UDMA Ultra DMA 
URL  Uniform resource locator 
us / µs microsecond 
USB Universal Serial Bus 
UTP  unshielded twisted pair 
V volt 
VESA  Video Electronic Standards Association 
VGA  video graphics adapter 
VLSI  very large scale integration 
VRAM Video RAM 
W watt 
WOL Wake-On-LAN 
WRAM Windows RAM 
ZF zero flag 
ZIF  zero insertion force (socket)