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A look back at the first IBM personal computer

Thirty-three years ago, on Aug. 12, 1981, International Business Machines (IBM), one of the world's largest companies, released its first personal computer. The IBM 5150, which came with 64KB of RAM and a monitor, cost around $3,000.

This is an undated file photo of The original IBM 5150 PC.
AP
This is an undated file photo of The original IBM 5150 PC.


Additional features of the first PC also included an audio cassette to load and save data. The floppy drive was optional and a hard drive was not supported, according to the company.

Since 1981, computers have become many times faster and are now portable.

By CNBC's Erika Santoro.