Ответ:

1 USB flash drive The main task of a USB flash drive is to store and transfer data. For example, from one computer device to another.

2 Mobile phone

With the help of the telephone, you can consume information, as you used to do from newspapers and television; using your phone, you can create this information yourself: send posts to your blog, messages and notes to social networks and instant messengers; using various applications to edit photos or draw, read.

3A computer

With the help of computers, you can write books, letters and reports, store extensive information (like lists, addresses and databases), do complex calculations, design equipment, draw, edit photographs and much more.

4Camera

Video surveillance systems are today the most effective technical means of ensuring security, allowing you to quickly record the fact of committing a particular illegal act, and also makes it possible to control the quality of work of employees, the general situation at the facility.

Объяснение:

Вот и всё, пожалуйста!