37 years ago. IBM introduces the IBM Personal Computer XT, which stands for eXtended Technology. For a price of $4,995(!) it features a Intel 8088 processor, a 10MB hard drive, eight expansion slots, serial port, 128 kB RAM, 40Kb ROM, a keyboard, and one double-sided 360kB floppy drive.
On this day, 36 years ago (1984) IBM introduced the IBM Portable Personal Computer, an early portable computer. It featured a 4.77MHz Intel 8088 processor, 256KB RAM, a 9 inch amber monitor, a 5.25″ floppy drive, and the DOS 2.1 operating system. It weighed 30 pounds (13,6kg) and cost $2,795. Try setting that on your lap.
