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SRAM (Static RAM): unlike DRAM, this type of RAM does not need to be refreshed in order to prevent
data loss. Thus, it is faster, and more expensive.
Standby mode: in this mode, the video and fixed disk drive (usually the HDD) shuts down; all other
devices continue to operate normally.
UltraDMA/33/66/100: a fast version of the old DMA channel. UltraDMA is also called UltraATA. Without
the proper UltraDMA controller, your system cannot take advantage of the higher data transmission rates
of the new UltraDMA/UltraATA HDDs.
USB (Universal Serial Bus): a versatile port. This one port type can function as a serial, parallel, mouse,
keyboard, or joystick port. It is fast enough to support video transfer, and is capable of supporting up to
127 daisy-chained peripheral devices.
VGA (Video Graphics Array): the PC video display standard.
V-SYNC: controls the vertical properties of the monitor.
ZIF socket (Zero Insertion Force socket): these sockets make it possible to insert CPUs without damag-
ing the sensitive CPU pins. The CPU is lightly placed in an open ZIF socket, and the metal level is pulled
down. This shifts the processor over and down, guiding it into place on the board.
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