In which year was the Intel 4004, the first commercially available single-chip microprocessor, released?

Answer

1971

The Intel 4004 was introduced in 1971 and is historically recognized as the world's first commercially available, general-purpose single-chip microprocessor.

In which year was the Intel 4004, the first commercially available single-chip microprocessor, released?
inventorcomputerelectroniccircuitmicrocontroller