The Commodore VIC-20: A Classic Early Computer, Its Components, and Specifications

The Commodore VIC-20: A Classic Early Computer, Its Components, and Specifications

Resource for pg online Understanding Computers, The Central Processing Unit (CPU). Mr Tim’s first computer.

The Commodore VIC-20, launched in 1980, was a groundbreaking home computer that played a key role in making personal computing accessible to the masses. Marketed as an affordable and user-friendly device, it quickly became the first computer to sell over one million units. With its vibrant color graphics and ease of use, the VIC-20 appealed to families, hobbyists, and educators alike. Commodore's aggressive marketing strategy, including TV ads featuring William Shatner, helped cement the VIC-20's popularity. Its success laid the foundation for the later Commodore 64, making the VIC-20 a significant milestone in the history of personal computing.

 

 

Commodore VIC-20's specifications:

  • Processor: MOS Technology 6502, 1.02 MHz (NTSC) / 0.99 MHz (PAL)
  • Hard Drive: None (no internal storage; used external cassette tapes or cartridges for storage)
  • RAM: 5 KB (expandable via external cartridges)
  • Graphics: VIC-I (Video Interface Chip)
    • Resolution: 176 x 184 pixels
    • Colors: 16 colors available
    • Video RAM: 1 KB (dedicated to graphics)

(Note: The VIC-20 did not have a hard drive or a modern graphics card by today's standards, and storage was typically external and limited to cassette tapes or cartridges.)

 

Note: Now vs Then

1.02 MHz is equal to 0.00102 GHz.

5 KB (kilobytes) is equal to 0.000005 GB (gigabytes).

The Commodore VIC-20 was priced at around $299 when it was released in 1980, approximately equivalent to about $1,100 - $1,200 today.

Ads from the time

Also, that guy from Star Trek...

Further reading: Mr. Tim's review of:

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