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| English | Spanish |
| dual boot | arranque dual (A computer configuration in which two different operating systems are installed and either can be loaded at start-up) |
| dual forking | bifurcación doble (A configuration by which Lync Server or Office Communications Server operates in co-existence with the PBX) |
| dual inline memory module | módulo de memoria DIMM (A type of memory board comprised of RAM chips mounted on a circuit board with a 64-bit data path and pins on each side that are on different circuits and that respond to different signals) |
| dual-tone multiple-frequency | tono de marcado de frecuencia múltiple (The signaling system used in telephones with touchtone keypads, in which each digit is associated with two specific frequencies) |
| small outline dual inline memory module | módulo de memoria SO-DIMM (A smaller version of a DIMM used in laptops) |