С! make the following sentences active: 1. peripheral devices can be attached to the computer. 2. computer instructions are also called programs. 3. this work is usually performed manually. 4. computers are used to monitor environmental problems. 5. today the lives of most of us are affected by a computer every day. 6. this program was damaged by a computer virus. 7. the ’crash behavior’ of the airplane was determined by the scientists. 8. this monitor was designed by dell corp.

1. One (you) can attach peripheral devices to the computer.
2. One also calls computer instructions  programs. (They also call computer instructions  programs.)
3. One usually performs this work manually. (People usually perform this work manually.)
4. They use computers to monitor environmental problems.
5. Today a computer affects the lives of most of us every day.
6. A computer virus damaged this program.
7. The scientists determined the  ’crash behavior’ of the airplane. 
8. Dell Corp designed this monitor.