Task 9.

Complete the puzzle.

ACROSS

4. Thousandth of a second, abbreviated to ms, used to measure the access time of hard drives.

6. Floating gate transistors are called …… in flash memory technology.

8. Prefix meaning «very large» or «one thousand million».

12. Not permanent (e.g. memory), unable to hold data without power.

13. Abbreviation for «light amplification by stimulated emission of radiation».

14. Capable of being deleted.

DOWN

1. Concentric ring on the surface of a disc when the disc is formatted.

2. …… memory retains its data when the power is switched off.

3. CD-RW means Compact Disc …….

5. Abbreviation of «digital versatile disc».

7. Transfer to another device.

9. To write information on a disk or storage area.

10. Type of external bus or connector that plugs into the computer.

11. The physical mechanism that accepts, reads and writes data on disk.

Task 10.

Look at the description of storage devices and choose the most suitable one for the given purposes. Give reasons for your choice.

You need a storage device to:

1. keep the operating system and the programmes on a home computer;

2. watch a movie on a plane or in the back seat of a car;

3. hold your favourite photos or music;

4. make backup copies and to transport files between computers in a big company;

5. hold historical records in the National Library;

6. read, write and rewrite high-definition video and TV.

Task 11.

A.

Listen to a conversation with Sue. Say a) where the conversation takes place, b) what storage device she is interested in and c) what decision she makes.

B.