Choose the correct variant and complete the following sentences.

1. The first person who designed the earliest digital audio player was

a) Ricky Martin

b) Kane Kramer

c) A.Bell

2. By 2006 most MP3 players were sold as

a) stand-alone

b) musicphones

c) iPhones

3. The most serious hearing damage caused by audio players is:

a) hearing loss

b) difficulties understanding speech in noisy environments

c) tinnitus

4. DAP is connected to a personal computer via

a) CD-ROM

b) USB

c) cable

5. Most DAPs are powered by

a) external amplifiers

b) jack

c) rechargeable batteries

Match the English terms with Russian definitions.

Read the following sentences and say whether they are true (T) or false (F).

1. The primary function of DAPs is video recording files.

2. The first company to release MP3 player was South Korean Saehan Information Systems.

3. The first artist to use a mobile phone was Ricky Martin.

4. All mobile phones today have MP3 players.

5. Buttons are used to ship through tracks or stopping/starting playback.

6. Every MP3 player is powered by replaceable rechargeable batteries.

7. Software for DAP is always downloaded from the manufacturer’s website.

8. Library of content is provided by the manufacturer.

9. Sound level of MP3 does not damage hearing at all.

10. Tinnitus is caused by bad listening habits.