компьютер

компьютер

Computer.

Here, 'компьютер' (computer) is used as the direct object of the verb 'купил' (bought) indicating a physical item.

Я купил новый компьютер.

I bought a new computer.

Here, 'компьютер' (computer) serves as the subject of the sentence, conveying a more generalized idea of computers as an integral tool.

Компьютер стал важной частью нашей жизни.

The computer has become an important part of our lives.

In this sentence, 'компьютером' is rendered in the instrumental case, used with the preposition 'за' to indicate the position or activity related to the computer.

Он долго работал за компьютером.

He worked on the computer for a long time.