120
2. Simple computers can do …… .
a) addition, subtraction,
division, multiplication.
b)
logical operations, such as making decisions.
3. Complex computers can do …… .
a) addition, subtraction, division, multiplication.
b) logical operations, such as making decisions.
4. Accounting, billing by banks and operations in marketing … .
a) can be quickly done without a computer.
b) can’t be quickly done without a computer.
5. The main problem with the computer is …….
a) to hire highly qualified managers.
b) to use them very seldom.
c) to protect them from viruses and hackers.
Упражнение 9. Ответьте на вопросы.
1. Where are computers used?
2. What is the main aim of using computers?
3. What operations can computers perform?
4. In what business operations are computers involved? And
why?
5. What is the main problem in computers?
6. What is necessary to do to solve this problem?
Достарыңызбен бөлісу: 
