1. What is а personal computer? 2. What are personal computers used for? 3. What were the first models of РС? 4. What are computer programs called? 5. What is hardware?

The personal computer, thing which actually use one person.

2) For example : for work or smth like this.

3) IBM PC 5150 - firs model PC in the world, it was created in 1980's

4) data designed to control specific components of a data processing system in order to implement a particular algorithm - this is computer programs

5) equipment that helps computer work

дополнительные  школьные мероприятия  являются частью  школьной жизни.