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.
FoIP (Fax over Internet Protocol) is the transformation of a fax call into a digital packet which is sent through the internet as opposed to the traditional analogue PSTN (Public Switched Telephony Network).