The world's first portable computer "Osborne 1" made in 1981

The world's first product belonging to a so-called portable computer, that is "Osborne 1". It was released in April 1981, the price is 1795 dollars (about 200,000 yen), and the weight is 24.5 pounds (about 11 kilograms). It is also exhibited in the National Museum of American History and it seems quite famous.

More detailed specifications such as CPU and memory are as follows.
The new shelton wet / dry

Osborne 1 computer

Osborne 1

The CPU has 4.0 MHz, the memory is 64 kilobytes, and the 5 inch monitor is carried.


Feeling like a sewing machine when carried around


The contents are like this, pretty advanced


By the way "Osborne effect"The word Owbone who made this computer was the person who said that this model was released and good sales, so announcing that a next-generation high-performance aircraft will come out, as a result the next model It seems that customers have been waiting for sales and buyers refrained from buying up, and the current products became sluggish. It seems that the phenomenon that customer's refusal to buy because the new product is announced too early is called "Osborne effect".

Further details are written on the following pages. It is quite interesting.

ECONOMICS, TECHNOLOGY & MEDIA: Steve Jobs ≠ Adam Osborne? Is it?