ввел

ввел

"Ввел" means "introduced" or "implemented."

Here, 'ввёл' signifies 'introduced' or 'implemented', indicating an action of establishing something new.

Он ввёл новые правила в школе.

He introduced new rules at the school.

Here, 'ввела' (feminine past tense) means 'entered', referring to inserting data into a system.

Она ввела данные в компьютер.

She entered the data into the computer.

Here, 'ввёл' describes the act of acquainting someone with a subject or topic.

Учитель ввёл студентов в курс истории.

The teacher introduced the students to the course of history.