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Notes |
Manufacturer |
Commodore (US) |
Model |
PET 2001 |
Date Launched |
January 1977 |
Price |
From £650 |
Microprocessor type |
MOSTEK 6502 @ 1 MHz |
ROM size |
14 kilobytes |
Standard RAM |
4 kilobytes (2001-4) |
Maximum RAM |
32 kilobytes |
Keyboard type |
The early PET 2001s (see picture above) had a cramped, calculator-like keyboard on which the markings tended to wear off: Later models as shown below had a good typewriter style keyboard. |
Supplied language |
Microsoft BASIC (written by Bill Gates). |
Text resolution |
40 x 25 characters |
Graphics resolution |
No graphics but had many specialised symbols in its character set. |
Colours available |
Monochrome |
Sound |
Through internal speaker |
Cassette load speed |
1000 baud but programs were recorded twice and checked against each other to detect errors, reducing the effective speed to 500 baud. |
Dimensions (mm) |
420 x 470 x 350 |
Special features |
A self-contained unit including the 9 inch display. |
Good points |
One of the first desktop computers that could just be plugged in and used straightaway, without any assembly. |
Bad points |
A little expensive for the home market (though cheap as a business computer) and the lack of colour and graphics counted against it. |
How successful? |
Popular with small businesses, schools and public services because it needed little in the way of setting up and was robust, with a metal case. |
Comments |
The Commodore PET, with updates giving it more memory, a better BASIC and more streamlined styling, remained on sale until the early 1980s. |
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