Which is the first laptop ever made?

A laptop that weighs 2kg now dah feels very heavy, what about the first laptop ever sold? Here weighed weighing 10kg. The Osborne was the first laptop released and sold commercially in 1981 by the Osborne Computer Corporation Worth $ 1795, How about the spec? wanna know?

The operating system (OS): CP / M 2.2 operating system (Control Program / ​​Monitor)
Memory: 64kb (64000 bytes)
100Kb Floppy Disk
IEE 488 port (8bit parallel port)
RS-232-C port (Serial port)

And the software package is included:

The operating system (OS): CP / M 2.2 operating system (Control Program / ​​Monitor)
C-Basic
Microsoft Basic
WordStar (word processor, now that we often use is MS Word)
Super calculator.
Is it unique?

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