XII. Content review a. Match the following words in columnAwith the statements in columnB.

	A	B
 	1. capacitor 2. random access	a. the information contained in the memory cell
 	3. contents 4. sequential access	b. a piece of equipment used to collect and store electricity
	5. access time	c. means any part of memory can be read equally quickly
		d. time taken by a computer to find and use information
		e. information must be read in a fixed pattern

b. Complete the following statements with appropriate words from the box. (Some can be used more than once.) Make sure you use the correct form, i.e. singular or plural.

main memory	capacity	random-access memory	internal
semiconductor	memory system	processing	temporarily
information	circuit	central processor

Cache is an additional … that … stores frequently used instructions and data for quicker … by the … . Both … and cache are …, … that use …-based … . The smaller … of the cache reduces the time required to locate data within it and provide it to the computer for … .

When a computer’s … accesses its internal memory, it first checks to see if the … it needs is stored in the cache. If it is, the cache returns the data to the processor. If the … isn’t in the cache, the processor retrieves it from the … .

XIII. Using a dictionary translate paragraph 2 into Russian.

Unit 6 Nonvolatile Memories

Section A Presentations

A. Public speaking

1. You are chairing a conference. Make a speech of welcome on the first morning.

2. You are a guest speaker at an English Rotary Club lunch. Introduce yourself and say a little about Rotary Club activities in your country.

3. Introduce the guest speaker at your company’s annual dinner and dance, then thank him / her at the end.

4. Think of a situation in which you might be called to speak in public. Explain the situation, then give the speech.

Welcoming		Questions
Good morning, ladies and gentlemen. Welcome to… It’s very nice to see you all here today.		If anyone has any questions, please feel free to interrupt. If you have any questions, I’ll do my best to answer them (later).
Introducing a speaker		Thanking a speaker
Miss Eustace has kindly agreed to come along today to speak to us about … Ladies and Gentlemen. Miss Caroline Eustace …. (clapping) It gives me great pleasure to introduce Miss Caroline Eustace …. (clapping)		On behalf of everyone here, I’d like to thank Miss Eustace for a most interesting and entertaining / enlightening / informative talk. Thank you very much indeed Miss Eustace. I’m sure I’m speaking for us all when I say how much we’ve appreciated your being here today.
Finishing
Thank you very much. Thank you for being so attentive.

(to be continued)

Section BLanguage Focus. Continuous Tenses

I. Give the present participle of the following verbs:

write, use, compile

II. Give the verb in the following sentences in the Present Continuous (Omit the adverbials “every day, usually, often”):

1. My friend usually works hard at his English.

2. The students often discuss the problems of hardware with their teacher.

3. We work in the computer centre every day.

III. Answer the question What are you doing?:

1. You are at a lecture on informatics.

2. You are in the computer room.

3. You are at an English lesson.