How do you imagine the first computers? Try to describe them.
R/ The first generation of computers were usually built by hand using circuits containing relays and vacuum tubes, and often used punched cards or punched paper tape for input input and as a primary (non-volatile) storage medium.
Why was the invention of the computer an important achievement for mankind?
R/The computer is an essential tool for the human being, which is being used in all labor fields, as well as in the fields of leisure, at different levels that would never have been imagined to reach, with the emergence of computers new ways of approaching the tasks have been created.