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The passive Telecom.docx

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1 The passive Passives are very common in technical writing where we are more interested in facts, processes, and events than in people. We form the passive by using the appropriate tenses of the verb to be followed by the past participle of the verb we are using. Examples: Active 1 We sell computers. (Simple present) 2 Charles Babbage invented The Analytical Engine' in 1842. (Simple past) Passive 1 Computers are sold. (Simple present) 2 'The Analytical Engine' was invented in
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  1 The passive Passives are very common in technical writing where we are more interested in facts, processes, and events than in people. We form the passive by using the appropriate tenses of the verb to be   followed by the past participle of the verb we are using. Examples:  Active 1 We sell computers. (Simple present) 2 Charles Babbage invented The Analytical Engine' in 1842. (Simple past) Passive 1 Computers are sold. (Simple present) 2 'The Analytical Engine' was invented in 1830. (Simple past) Facts and processes When we write or talk about facts or processes that occur regularly, we use the present passive. Examples: 1 Data is transferred  from the internal memory to the arithmetic-logical unit along channels known as buses. 2 The other users are automatically denied access to that record. 3 Distributed systems are built using networked computers. Read the text below, which describes the insurance company's procedure for dealing with PC-users' problems. Fill in the gaps using the correct form of the verb in brackets. All calls ………………………………..  (Register) by the Help Desk staff. Each call …………………………(evaluate) and then…………………………. (allocate)  to the relevant support group. If a visit ………………….(require), the user…………………………….(contact) by telephone, and an appointment  ……………………………… (arrange). Most calls……………….  (deal with) within one working day. In the event of a major problem requiring the removal of a user's PC, a replacement can usuall y…………………………………(supply).    2 Exercise 2 Fill in the gaps in the following sentences using the appropriate form of the verb in brackets. 1 The part of the processor which controls data transfers between the various input and output devices ……………………………………… (call) the control unit. 2 The address bus ……………………………. (use) to send address details between the memory and the address register. 3 The pixel positions ………………………  (pass on) to the computer's pattern recognition software. 4 An operating system ……………………………… .(store) on disk. 5 Instructions written in a high-level language …………………………. (transform) into machine code. 6 In the star configuration, all processing and control functions ……… (perform) by the central computer. 7 When a document arrives in the mail room, the envelope ……………………… (open) by a machine. 8 Once the index....................................... (store), a temporary key number …………… (generate) and …………………………. (write) on the document. Events When we write or talk about past events, we use the past passive. Let us look at some examples. Examples: 1 COBOL was  first introduced in 1959. 2 Microsoft was founded on the basis of the development of MS/DOS. 3 The organization was created to promote the use of computers in education. Exercise 3 Fill in the gaps in the following sentences using the appropriate form of the verb in brackets. 1 Microsoft ………………………. (found) by Bill Gates. 2 C language …………………………….  (develop) in the 1970s. 3 During that period, enormous advances …………………………….  (make) in computer technology. 4 The following year, twice as many PCs ………………………………….. (sell) 5 In the 1980s, at least 100,000 LANs ………………………… (set up) in laboratories and offices around the world. 6 The first digital computer …………………….  (build) by the University of Pennsylvania in1946. 7 Last year, more software companies ……………………… (launch)than ever before. 8 IBM's decision not to continue manufacturing mainframes ………………………… (reverse) the year after it ……………………… (take).

Corelle

Jul 23, 2017
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