The high speed, double data rate (DDR) mode SDRAM which had data transfer function. When the standing up of the clock pulse in order to take the same period between each circuit inside the computer and when falling being both, those which it tries to be able to do the reading and writing of the data. Transfer rate of usual time is actualized. There was a time when the seat of the standard memory which replaces in Direct RDRAM of the Rambus corporation and from around 2001 winter has started being widely loaded by the personal computer.
DDS
Reading: D D s
Full spelling: Digital Data Storage
Field:
Storage > magnetic tape > DDS
|
| One of the mass storage devices which utilize the magnetic tape. Because the technology of DAT which is utilized in digital sound recording of music is made in the base, the record media is supplied cheaply. as for memory capacity each one 2GB, 4GB, 12GB and 20GB. When we have compressed function, use this capacity reaches approximately time. |
DDX
Reading: D D x
Full spelling: Digital Data eXchange
Field:
Communication service > private line > DDX
|
The data transmission service which NTT offers from 1980. Dividing into the unit which is called the data the packet, sending and receiving it does. There are 2 types of DDX-TP which uses DDX-P and the telephone line which use the leased circuit.
|
DDX-P
Reading: The D D x tweet
Full spelling: Digital Data eXchange Packet
Field:
Communication service > private line > DDX-P
|
The 1st kind packed switching service which NTT offers from 1980. Dividing into the unit which uses the private circuit, is called the data the packet, it is the data The INS net it was connected to the general public circuit and 1988 to 1985 mutually.
|
|
