3.3 Match the words from a to the words from b to make pairs of synonyms

A	B
1. to use	a. affect
2. to expand	b. get
3. to reduce	c. apply
4. to influence	d. diminish
5. to acquire	e. grow
6. to increase	f. enlarge

3.4 Complete the following sentences with the words from exercise 3.3.

1. I didn`t intend to __________ the importance of her work.

2.You should be able to have an experience in electronics to __________ it in your new job.

3. It is known that poor housing significantly ___________ educational achievement.

4. The professor ___________ his experimental methods.

5. The cost of the project ______________ substantially since it began.

6. It is necessary for him to ____________ proper knowledge in the field of optotechnology.

3.5 Write the sentences in the Passive Voice using the appropriate verb from the box.

to shoot to introduce to satisfy to convert to produce to restrict to improve to export

1.The USA is a well-known exporter of movies but, in addition, many of the so called “Soap” series …there and … worldwide.

2.The movie industry has been supported by 35 mm film, the parameters of which … steadily … over the years.

3.Over the past few years, several “blockbuster” movies have been shot entirely, or in part, using HD.

4.As technology improved and colour television ….,Europe migrated to 625 lines,

50 fields/sec.

5.Material produced in this way can also … to other formats for transmission.

6.Unfortunately European consumers … currently … to down-converted standard-definition versions.

7. Many consumers … not …. with this unused display area and choose instead to distort their standard definition shows by stretching them horizontally to fill the screen.

3.6 Use the verb in brackets in the appropriate form.

Before delving into the details of scanning formats for high definition, it (1.may be) of interest to briefly review the origins of television and their respective picture formats. One of the early pioneers of television (2.to be) John Logie Baird who (3.to introduce) television in to the UK with a 30 –line vertical mechanical scanning format. Despite refinements it (4.to be) of course inevitable that electronic scanning should become the mainstream. In the early 30s, the UK (5.to move) to 450 lines with a theoretical video bandwidth of 3 MHz. Germany, also an early pioneer of television, (6.to broadcast) the 1936 Olympic Games, using 180 lines, later moving to 441 lines. France (7.to start) with 441 lines and subsequently (8.to move) to 819 lines.

Unit 4

4.1 Scan the text “New Developments in Electronic Memories” and answer the following questions

1.What is memory?

2. In what way is main memory attached to the processor?

3.When did new memory technology emerge?