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The VIC-20 was announced in 1980, [4] roughly three years after Commodore's first personal computer, the PET. The VIC-20 was the first computer of any description to sell one million units, [5] eventually reaching 2.5 million. It was described as "one of the first anti-spectatorial, non-esoteric computers by design...no longer relegated to ...
BASIC 3.5 added all of BASIC 4.0's disk commands as well as sound and graphics functions to support the TED, additional programming features, and statements to allow structured programming. While BASIC 2.0 was 8K in size and BASIC 4.0 12K, BASIC 3.5 ballooned to 20K in size, as big as the entire set of OS ROMs in the VIC-20 and C64.
The VIC-20 was the first affordable, full-featured color computer and the first home computer to be sold in KMart and other mass market outlets. Michael joined Commodore in April 1980 as Assistant to the President (Commodore Founder Jack Tramiel who appointed him VIC-20 Product Manager).
As implemented on the VIC-20 and C64, Commodore DOS transfers 512 bytes per second, compared to the Atari 810's 1,000 bytes per second, the Apple Disk II's 15,000 bytes per second, [15] and the 300-baud data rate of the Commodore Datasette storage system. About 20 minutes are needed to copy one disk—10 minutes of reading time, and 10 minutes ...
TI continued lowering the price through 1981, first to $449.95, and then to $399.95 in early 1982, in competition with Commodore's $300 VIC-20. This turned into a price war with Commodore. TI responded by cutting the wholesale price of the 99 by $100 , while also offering a $100 rebate directly to consumers, lowering the street price to about ...
The Commodore 1540 (also known as the VIC-1540) is the companion floppy disk drive for the VIC-20 home computer. It was introduced in 1982. It was introduced in 1982. [ 3 ] [ 4 ] It uses single-sided 5¼" floppy disks, on which it stores roughly 170 kB of data utilizing Commodore's GCR data encoding scheme.
The Commodore PET is a line of personal computers produced starting in 1977 by Commodore International. [3] A single all-in-one case combines a MOS Technology 6502 microprocessor, Commodore BASIC in read-only memory, keyboard, monochrome monitor, and, in early models, a cassette deck.
The electronics are identical in the D9060 and the larger D9090 unit; the only difference is the size of the installed hard drive, with a jumper set to distinguish between 4 or 6 disk heads. Originally intended for the metal-cased PET/CBM series of computers, they are compatible with the VIC-20, Commodore 64 and later models with an adapter.
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