XT
Updated: 10/17/2017 by Computer Hope
XT may refer to any of the following:
1. With a computer, XT (extended technology) is the name of the IBM 5160, introduced on March 8, 1983, by the IBM company. The XT was the first IBM computer with a hard drive (10 MB or 20 MB). It also had a 5 1/4" floppy drive, up to 640 KB of memory, an Intel 8088 processor, an eight-bit ISA (Industry Standard Architecture) slot, and a serial port.
2. With any communication, XT is an abbreviation for crosstalk.
3. XT is also a bus introduced in 1982 with four DMA (direct memory access) channels, was 8-bit, and had a bus speed of 4.77 MHz.