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•POST
Power-on self test. This test is performed by the BIOS, as soon as the computer
is turned on. POST gathers information about what your unit contains, and
ensures that everything is working properly. It works by performing a list of tasks
related to testing the RAM, the on-board hardware, the expansion cards, the
keyboard, the disk drives, and other installed components. If all the tasks are
completed, the BIOS will proceed to boot the operating system. If a task cannot
be completed, POST will report an error to the BIOS, and a message will be
displayed.
• Progressive scanning
Describes a scan mode in which the video source transfers rows of source data
sequentially to the destination.
Also known as non-interlaced. See also interlaced scanning.
•Protocol
A set of standards (rules/formats) for transmitting information “packets” between
computer software and hardware devices. Information packets are structured
according to the standards of a protocol. On a network, the data link or Media
Access Control protocol standard, such as the CSMA/CD, provides the access
method, and TCP/IP provides the control and routing method to transmit (move)
information packets.
•PSG
Programmable synchronization generator. It has various functions related to video
synchronization and control. For example, it supplies feedback signals to the PLL,
and is fully responsible for the sampling clock value.
• RAMDAC
Random access memory digital-to-analog converter. A digital to analog converter that
includes static RAM for use as a look-up table.
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