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.
DST is a seasonal time change measure where clocks are set ahead of standard time during part of the year, usually by 1 hour. As DST starts, the Sun rises and sets later, on the clock, than the day before. Today, about 40% of countries worldwide use it to make better use of daylight and to conserve energy.