Date: Lesson Meeting people Lesson materials appendix lead in activity

Note: bit is pronounced /bit/; byte is pronounced /bait/.
APPENDIX 5. LISTENING.
Listen and underline the stressed syllables in these words. Then practise saying the words with a partner.

1. 
   a dual-core processor 5. 18 nanometers
   
2. 
   a quad-speed Blu-ray drive 6. a 26-kilobyte file
   
3. 
   a 3.5-millimetre socket 7. 2.4 megahertz
   
4. 
   a micrometer 8. 4 terabytes
   

APPENDIX 6. LESSON END UP
Complete these descriptions with the correct unit of memory.

1. 
   A terabyte is about one trillion bytes – about as much text as the books and magazines in a huge library.
   
2. 
   A megabyte is about one million bytes – about as much text as a 300-page novel.
   
3. 
   A kilobyte is about one thousand bytes – equivalent to one sheet of A4.
   
4. 
   A gigabyte is about one billion bytes – about as much text as 1,000 books.
   
5. 
   A byte can store a single character, such as the letter h or number 7.
   

APPENDIX 7. HOME TASK

D escribe computer measurement units.

-is a type of

-are parts/component of

-constitute

-make up
binary digit- is the most elemental unit of information and in data communications is represented as either a 1 or a 0. 

byte- eight bits together

kilobyte- is about one thousand bytes .

megabyte- is 1024KB or about one million bytes.

gigabyte-is 1024MB or about one billion bytes

terabyte- is 1024GB or about one trillion bytes.

Date:_________________________

Lesson 14: Storage devices.
Lesson materials

APPENDIX 1. LEAD IN ACTIVITY


-is a type of

-are parts/component of

-constitute

-make up
Look at pictures. Discuss the following questions with your partner.

1. What devices do you see there?

- I see CD, DVD, blu-ray, hard disk, USB, memory cards, SD cards.

2. What do you think, what is the function of these devices?

-They function is to store data.

3. What type of storage are they?

-There are three types of storage: magnetic, optical and flash storage.

A PPENDIX 2. GLOSSARY

Discuss the charts and write out the new words and expressions related to the topic.







Storage device, internal device, HDD(hard disk drive), SSHD(solid state hard drive), HHD(hydrid hard drive), SSD(solid state drive), external hard disk drive, offline storage and etc.