1981
Osborne 1 Luggable

Processor: 4-MHz Zilog Z80A
OS: CP/M
Memory: 64-kbyte RAM
Storage: Dual 100-kbyte 5.25-in. floppy disks
Display: 24 by 52 characters, monochrome
User input: Keyboard
Interfaces: IEEE 488
Communication: Serial port, 300-baud modem
Weight: 26.2 lb

See Associated Figure

1989
Poquet PC

Processor: 8-MHz Intel 8088
OS: DOS
Memory: 640-kbyte RAM
Storage: PCMCIA flash cards, 22-kbyte SRAM
Display: 640 by 200 characters, monochrome
User input: Keyboard
Interfaces: Serial, PCMCIA
Communication: Serial, PCMCIA
Weight: 1.2 lb

See Associated Figure

1996
Palm Pilot PDA

Processor: 16-MHz Motorola Dragonball 68328
OS: PamOS
Memory: 128-kbyte RAM
Storage: Battery backed-up memory
Display: 160 by 160 characters, monochrome
User input: Touchscreen/Grafitti
Interfaces: Serial
Communication: Serial
Weight: 5.7 oz

See Associated Figure

2002
Ericcson P800

OS: Symbian OS
Memory: 28 Mbytes flash
Display: 208 by 320, color
User input: Keyboard
Interfaces: Memory Stick
Communication: Various cell-phone interfaces, Bluetooth, infrared
Weight: 5.6 oz
Other: Camera

See Associated Figure