My Vintage Computer Collection (Pre IBM !!)_
And this is my Apple LISA!!
I bought it in the 80's from a guy called Adam van Gaalen, a radioamateur (PA2AGA) living in little dutch town called 'Monster' (near the NorthSea beach) close to The Hague.
Mine looks more yellowish than in the picture, but that is the only difference. The plastic is affected by sunlight, that causes discoloration. I will add the same picture, but showing the actual discoloration.
Plastic manufacturers claim that the flame-resistant chemical (Bromide) used in the case discolors via exposure to heat, air, or light over time. One plastics expert suggested that manufacturers avoided using color defending plastics back in the day because of cost.
Officially, "Lisa" stood for "Local Integrated Software Architecture", but it was also the name of Apple co-founder Steve Jobs' daughter. The LISA was released in June 1983.
The Lisa is the first commercial computer with a GUI (i.e. Graphical User Interface).
Prior to the Lisa, all computers were text based - you typed commands on the keyboard to make the system respond. Now, with the Lisa, you just point-and-click at tiny pictures (icons) on the screen with a small rolling pointing device called a 'mouse'.
The Apple Lisa was an amazing advancement in a user-friendly computer system, but Apple didn't invent the idea of the GUI, it's difficult to say who did. But Xerox's Palo Alto Research Center (PARC) created the first computer with a Graphical User Interface and a mouse, in 1973! This 'Alto' computer was never sold to the public, and in 1981 the 'Star', which cost $17,000, was far too expensive and sold poorly.
Although Apple spent an incredible amount of time and money developing the Lisa, four years and $50 million, it turned out to be an unpopular system, due to its high price and few available software applications. Additionally, it was rather slow, as the large and complex operating system was a huge burden on the 5MHz CPU.
In addition to the external 5 Megabyte "Profile" hard drive (the box on top), the first Lisa has two internal non-standard 871K 5-1/4 inch "Twiggy" floppy drives.
Unfortunately, the floppy drives were slow and unreliable. Because of this, after selling about 6,500 Lisa computers, Apple offered an upgrade path for Lisa owners, replacing the two "Twiggy" drives with a single 400K 3-1/2 inch Sony floppy drive. The new drive holds half as much data as the old one, but is much more reliable.
Check out the official Steve Jobs biography (by Walter Isaacson), to read more gory details about the LISA:
http://tinyurl.com/6n999ok
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