Question

Odpowiedz na pytania.

1. How heavy were mobile phones in 1987?

2. When did CD's first appear in shops?

3. When did computer engineers invent the Internet?

4. When did someone send the first email?

5. When did Sony sell the first PlayStation console?

Answer 1

1.the first mobile phones were 40 kg heavy

2.CD`s were appear in shops in 1978

3.they invet it in 1969

4. the first email was send in 1965

5.they sell playstation in 1994