Ex. 46. Choose the right variant(s) to complete each sentence

1. Today computers are used at homes, in educational and research institutions, businesses and government agencies for….

A. word processing C. data communication

B. surfing the Net D. various purposes

2. Such application programs as … help managers to run a business more efficiently.

A. video games C. word processors

B. spreadsheets D. operating systems

3. Spreadsheets are used for….

A. bookkeeping C. pulling out information from the database

B. drawing up financial reports D. reserving airline and train tickets

4. Word processors can perform such tasks as….

A. to check up spelling C. to highlight the screen in italic type

B. to cut and paste the word D. to delete the part of the system program

5. CAD programs enable architects….

A. to draw diagrams C. to design three-dimensional models

B. to test molecular models of drugs D. to create models of weather conditions

6. … helps students to study at their own speed and helps teachers to do their work more creative.

A. CAD C. CAI

B. CAM D. DVD

7. At home, most often people use PCs….

A. to copy CDs and DVDs C. to teach children

B. to play video games D. to send emails

Ex. 47. How do people use computers? Make up sentences, using the table below.

People Shops Banks Students Scientists Engineers Architects The police The military Musicians Journalists

use(s) computers

to do research and learn. to make and read coded messages. to write articles that they then submit electronically to publishers. to keep track of products and check you out at the cash register to make cars, trucks, and airplanes. to track down criminals. to send money all over the world. to compose music and to play it back with hundreds of variations. to design houses and other buildings. to solve research problems. to transfer money from one account to another. to predict weather, floods and earthquakes. to launch, guide and track spacecrafts and satellites. to make long-distance and local telephone calls. to control air and train traffic. to share information all over the world.