Match a verb from A with a word or phrase from B to make phrases from the article.

A	B
1.control 2.write 3.operate 4.offer 5.perform 6.serve 7.store 8.direct 9.contain 10.benefit	a.society b.in basically the same way c.numerous types of memory d.a specific function and purpose. e.information f.the start-up g.the same function h.the flow of data i.the greatest performance j.new or updated data files

2. What input device would you use for these tasks?

1. to play computer games

2. to copy images from paper into a computer

3. to read price in a shop

4. to select text and click on links on web pages

5. to enter drawings and sketches into a computer

6. to input voice commands and dictate text

7. to draw pictures or select menu options directly on the screen

8. to take and store pictures and then download them to a computer

3. Complete each sentence by choosing from the following devices: memory stick, hard disk, CDs, DVDs, touch screen, trackball, touchpad, webcam.

1. A ………. is a stationary device that works like a mouse turned upside down. You roll the ball with your hand to move the pointer on the screen.

2. A ………. is a small device that is extremely reliable and fits in the USB port on your computer. It quickly replaced the floppy disk.

3. Interactive ………. are used in museums, information centres and Internet kiosks. You use your fingers to point directly to objects on the screen.

4. Its function is to store all the files, and software the computer will ever use. Any file or software program used by RAM most likely will come from the ………..

5. ………. can only hold up to approximately 650 MB of information. You have to have a special drive to write to them. Otherwise they can only be read from.

6. A ………. is used to send live video via the Internet.

7. A ………. is found on notebook PCs. You use it by pressing the sensitive pad with a finger.

8. CDs and ………. use light (laser) to write and read data on a disk. These long and short pits are then stored or etched on the surface of the disk. They can only be read by laser technology.

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