When was the IBM XT microcomputer released in the market?

When was the IBM XT microcomputer released in the market? Correct Answer 1983

On 8th March 1983, IBM released the Personal Computer XT, short for extended Technology, or PC/XT, or just XT. It came equipped with a 10 megabyte MFM Full-Height Hard Disk Drive with 306 Cylinders, 4 Heads, and 17 512-byte Sectors, was expandable to 640k of RAM on the Motherboard, and came with MS-DOS v2.2.

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