Many genes are unique to the Y chromosome, but genes in areas known as pseudoautosomal regions are present on both sex chromosomes. As a result, men and women each have two functional copies of these genes.
Digital signal processor. A digital signal processor chip found in a guitar effects unit. A digital signal processor (DSP) is a specialized microprocessor (or a SIP block), with its architecture optimized for the operational needs of digital signal processing. The goal of DSPs is usually to measure, filter and/or compress continuous real-world analog signals.
NTP is a protocol designed to synchronize the clocks of computers over a network to a common timebase (usually UTC). NTP version 4 is a significant revision of the previous NTP standard, and is the current development version. NTP version 3 was an internet draft standard, formalized in RFC 1305.