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8.2 Reading


recognizing essay types • understanding complex sentences with passives • defining terms


A Look at the different examples of systems in the blue box.


1 What type of system is each one (e.g., e-mail = communication system)?


2 How could the performance of each system be improved?


3 What changes could be made to each system to bring about these improvements?


B Look at the four essay types on the right. 1 What should the writer do in each type?


2 Match each essay type with one of the questions below the slide (A–D).


3 What topics should be covered in each essay question?


A


C Read the title of the text on the opposite page and the first sentence of each


paragraph. 1 What will the text be about?


2 Choose one of the essay questions in Exercise B. Write four research questions which will help you to find information for your essay.


D Read the text.


1 Using your own words, make notes from the text on information for your essay question.


2 Work with another person who has chosen the same essay question as you. Compare your notes.


E Study the highlighted sentences in the text.


1 Underline all the subjects and their verbs.


2 Which is the main subject and verb for each sentence?


F Study the table on the right.


1 Match each word or phrase with its meaning.


2 Underline the words or phrases in the text which the writer uses to give the definitions.


See Vocabulary bank 64 B


There are four main essay types in ICT:


● descriptive ● analytical


● comparison/evaluation ● argument


air traffic control e-mail nuclear power plant patient record search engine social networking


What are the advantages and disadvantages of virtualization for large commercial organizations?


‘Virtualization answers all of the questions which system designers have to ask about hardware.’ To what extent do you agree with this statement?


C


Explain why reducing system energy consumption is essential to the success of virtualization.


D


What questions do designers need to ask when considering the efficiency of their systems? Describe how two companies have found different answers to some of these questions.


Word/phrase 2 data integrity 3 energy proportionality Meaning


1 ‘out-of-the box’ where physical components can be added or removed without shutting down the system


ensuring that devices operate efficiently whether they are idle, operating at lower usage levels, or at full capacity


circuits on the computer’s motherboard providing the voltages required by the microchips


4 ‘hot swapping’ systems supplying power with built in storage capacity so that during a power outage servers can keep running


5 uninterruptible power supplies (UPS)


6 voltage regulator circuitry


equipment provided by the manufacturer without modification


ensuring that data is not corrupted


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