DAC

Reading: Duck
Full spelling: Digital Analog Converter
Alias:
D/A converter
Field:
Semiconductor > basis technology > DAC

The circuit which converts the digital signal to the analog signal. In the personal computer, converting the digital data of the video card to the analog signal, although it transmits to display, you use.

DARPA

Reading: [dapa]
Full spelling: Defense Advanced Research Projects Agency
Field:
Internet > group > DARPA

Darwin

Reading: Darwin
Field:
OS > Mac OS > Darwin

As the open source, project of the Apple corporation that it releases the basic part of Mac OS X. In addition, it was developed to as the result there are also times when it points “the basic part of OS”.

Darwin project was started in the same time as the Mac OS X Server sale 1999, first the source code of AppleTalk and the HFS+ file system and NetInfo directory service etc was gratuitously released. As for these sources APSL (Apple Public Source License) with following to the license code of the Apple corporation which is said, it was possible, to utilize, it could add correction and improvement with the hand of the various people as the open source.

Darwin absorbing the result, making the core of Mac OS X as “the basic part of OS” (also “Darwin OS” is called). On the basis of Mach micro kernel and BSD 4.4, being something which installs the function and the like where description above is released, in a manner of speaking

you can call Darwin OS the thing which shaves the part of user interface and the like from Mac OS.

DAO <[deisukuatsutowansu]>

Reading: [deisukuatsutowansu]
Full spelling: Disk At Once
Field:
Storage > optical disk > CD > DAO