Clock skew
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Computers make use of relatively short parallel connections between interior components, but use a serial bus to convert signals for most external communications.In a parallel connection, it is wrong to assume that the 8 bits leaving the sender at the same time arrive at the receiver at the same time. Rather, some of the bits get there later than others. This is known as clock skew.
65p 
mrdvad11
12-03-2013
101
50
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One of the key requirements of experimental control software is that it has good temporal precision. PsychoPy aims to be as precise as possible in this domain and does achieve excellent results where these are possible. To check the accuracy with which monitor frame times are recorded on your system run the timeByFrames demo from the Coder view.
80p tuyenoto
10-05-2010
110
14
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