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Following sentences comparing and contrasting the different types.
|
|
| Types of storage | Types of devices |
| Magnetic devices | floppy disks (diskettes); magnetic tape; hard disks. |
| Optical devices | CD-ROM – compact disk read only memory; CD-R– compactdisk recordable; CD-RW – compact disk rewritable; DVD-R – digital versatile disk recordable; DVD-RW – digital versatile disk rewritable. |
| Device | Read/Write | Speed | Capacity | Removability | Cost |
| Floppy disk | Read and write | Slow | Very low | Yes | Low |
| Fixed hard disk | Read and write | Fast | Very high | No | Medium |
| Removable hard disk | Read and write | Medium to fast | High | Yes | Medium |
| CD-ROM | Read only | Medium | Medium | Yes | Low |
| CD-R | Recordable | Medium | Medium | Yes | Medium |
| CD-RW | Read and write | Medium | Medium | Yes | Medium |
| DVD-R | Recordable | Medium | High | Yes | Medium |
| DVD-RW | Read and write | Medium | High | Yes | High |
| Magnetic tape | Read and write | Very slow | Medium | Yes | Medium |
1. You can write information to hard disks but not to ….
2. Floppy disks have a … capacity than other devices.
3. CD-ROMs and floppy disks have … prices.
4. DVD-R has a … capacity than CD-Rs.
5. CD-ROMs cannot be re-recorded but … can be.
6. Using CD-RWs you can read and … data.
7. Instead of CD-ROMs, CD-Rs are ….
8. … … is much slower than other devices.
9. … … has a very high capacity.
10. Floppy disks are cheap but … are expensive.
Exercise 2. Study the following list of activities. Which type of peripherals would you
advise in each case?
1. Inputting printed graphics;
2. controlling the screen cursor in a fast action game;
3. reproducing sound tracks;
4. printing very high quality text and graphics;
5. creating drawings;
6. recording sound;
7. listening to music without disturbing others;
8. storing programs and data;
9. inputting a text;
10. backing up large quantities of data.
Express your opinion on the following topics:
- It is more important to have input (output) devices.
- Any computer is unless without storage devices.
- What peripherals would you buy first to equip your computer?
Lesson 13
I. Learn the following words and word-combinations:
to provide - надавати, забезпечувати
complicated - складний; синонім - complex
mediator - посередник
user - користувач
hardware - апаратне забезпечення
to press - натискати
key - клавіша
keyboard - клавіатура
specialist - спеціаліст, фахівець
set - набір
to exist - існувати
hard disk - жорсткий диск
II. Read and translate the text: