At about 50 pounds, IBM's 5100 Portable Computer was hardly portable by today's standards. A decade earlier, a computer with the same processing capacity would weigh about half a ton.

This semi-portable PC/XT model sports a 4.77 MHz 8088 CPU, 640 kB of RAM and a CGA video card with a built-in monochrome monitor. An NE2000 ISA network card, running in 8-bit mode, enables the ...

Here are some of history’s most important–and most unusual–portable computers. Let’s start in 1981. ... but it was the first that was MS-DOS-based and IBM PC-compatible.

The IBM PC-XT had a lot more expansion slots compared to the first IBM PC that launched in 1981, but it was not as big of a leap in other hardware specs. It also had a rival PC in the Compaq Portable.

Prior to this, the military had the most portable computer, also from IBM, which was an IBM 1401 on a special truck. APL might seem like an odd choice, but in its day it was a prestigious language.

Brooke Crothers writes about mobile computer systems, including laptops, tablets, smartphones: how they define the computing experience and the hardware that makes them tick. He has served as an ...

In addition, Yeo targeted a computer with very limited processing power: a 1984 IBM 5155 Portable PC, which includes an Intel 8088 4.77 MHz CPU, 640KB conventional memory, CGA ISA graphics, and MS ...

Meng developed the client on Windows 11, but owns an 1984 IBM 5155 Portable PC which allowed him to test the software on real hardware.The 5155 uses an Intel 8088 4.77MHz CPU with 640KB of memory ...

Meng developed the client on Windows 11, but owns an 1984 IBM 5155 Portable PC which allowed him to test the software on real hardware.The 5155 uses an Intel 8088 4.77MHz CPU with 640KB of memory ...