Mark-1 belongs to which generation of computers?

Mark-1 belongs to which generation of computers?

مارک-1 کمپیوٹر کی کس نسل سے تعلق رکھتا ہے؟
Explanation

The Mark-1 belongs to the First Generation of computers.

It used vacuum tubes for circuitry.

It was one of the earliest electronic computers.

It was developed in the 1940s.