An IBM 1620 with additional features useful for industrial process control: A/D convertors, D/A convertors, general-purpose I/O lines, and interrupts.
- Ibm 2741
printer A slow, letter-quality printing device and terminal based on the IBM Selectric typewriter. The print head was a little sphere resembling a golf ball, bearing reversed embossed images of 88 different characters arranged on four parallels of latitude; one could change the font by changing the golf ball. The device communicated at 134.5 bits […]
- Ibm 360
- Ibm 370
- Ibm 370esa
computer, IBM (Enterprise System Architecture) An IBM mainframe computer introduced in 1988. Successor to the IBM 370XA had enhanced access registers that allowed access to other forms of virtual memory. This enhancement allowed more data storage in main and virtual memory, reducing I/O operating and improving speed and efficiency. The IBM 370ESA was rebranded as […]