3. Find the correct definition
A) a portable phone
C) a headphone
B) an immovable phone
D) speakers
4. Ray Tomlinson is a man who
A) invented the Net
B) invented @
C) invented @ and email D) invented email
5. @ was invented in
A) 1970
B) 1972
C) 1994
D)1971
6. What are the advantages of computers?
A) social skills, waste of time,
B) researching, information, online education
C) Insomnia, lack of creativity, online education​

5class1i    3   18.05.2021 08:27    0