1. Onno W. Purbo onno@indo.net.id
Sejarah Laptop
Onno W. Purbo

2. Referensi https://www.mln.com.au/info/?type=laptophistory

3. Definisi Laptop
Definition of Laptop: A laptop computer, or simply laptop (also known as notebook computer, notebook, notepad, and incorrectly labtop ;), is a small portable computer having its main components (Processor, screen, keyboard) built into a single unit capable of battery powered operation, which usually weighs pounds (approximately 1 to 8 kgs), depending on dimensions, materials, and other variables. (Source Wikipedia)

4. The First Laptop Computer 1981: Osborne 1

5. The First Laptop Computer 1981: Osborne 1
Release Date: April 1981
Cost: US $1,795
Weight: pounds
Processor: Zilog 4.0 MHz
Memory: 64K Memory
Display: Built-in 5" monitor
Ports: 53 X 24 text, Parallel / IEEE-488, modem / serial port
Storage: Dual 5-1/4 inch, 91K drives
O/S: CP/M

6. 1981 - Epson HX-20 Mobile Computer (Laptop, Notebook)

7. 1983 - Radio Shack TRS-80 Model 100 Mobile Computer

8. 1983 - Radio Shack TRS-80 Model 100 Mobile Computer
Processor: Intel 80c85 (code and pin compatible with 8085)
Speed: 3 MHz
Memory: 8 kb, up to 32 KB (29638 bytes free) by incremental 8 kb Memory pack on PCB
ROM: 32 kb (up to 64 kb)
Text Modes: 40 x 8 (LCD screen)
Graphic Modes: 240 x 64 (Full-Dot matrix)
Colours: Monochrome
Sound: Beeper
Size: 30 (w) x 21.5 (D) x 4.5 (H) cm.

9. IBM 5155

10. 1984 - IBM 5155 Release Date: Februrary 1984 Cost: US $4,225
Weight: 30 pounds
Processor: Intel 4.77MHz
Memory: 256K, 640K max
Display: 9-inch amber display CGA graphics, 80 X 25 text
Ports: 1 parallel, 1 serial, CGA video
Storage: Two 360KB 5.25-inch disk drives
O/S: IBM PC-DOS Version 2.10 (disk)
Model: Model 68

11. 1985 – Toshiba Dynabook

12. 1989 - Zenith Data Systems Laptop