16. Find in the first three paragraphs the examples of using which. Explain its necessity in each case. Are they an essential part of the sentence?

17. Link these pairs of sentences using which. You may omit words and make whatever changes you think are necessary in the word order and punctuation of the sentences.

1. 2. 3. 4. 5. 6.

A computer does exactly as it is told. A computer cannot think for itself. People often talk about ‘a computer error’. ‘A computer error’ usually means human error. Hardware is the computer’s machinery. Hardware is the monitor and all the electronic devices and circuits inside. The brain of every computer is the processing unit. The processing unit consists of five main components. Bad manuals are too full of jargon to understand. Bad manuals don’t explain things clearly. Files on the hard disk must be found easily. Files on the hard disk are organized into different directories.

Writing.

18. Write the translation of paragraphs 5 and 6. Lesson 5. Types of computers.

Lead-in.

1. Answer the questions.

1. What types of computers can you see on the pictures?

2. Can you add any other types?

1. INCLUDEPICTURE "http://static.howstuffworks.com/gif/79003906laptop-250x150.jpg" \* MERGEFORMATINET INCLUDEPICTURE "http://static.howstuffworks.com/gif/79003906laptop-250x150.jpg" \* MERGEFORMATINET 2. INCLUDEPICTURE "http://www.gizmocrazed.com/wp-content/uploads/2010/11/123.jpg" \* MERGEFORMATINET INCLUDEPICTURE "http://www.gizmocrazed.com/wp-content/uploads/2010/11/123.jpg" \* MERGEFORMATINET

3. INCLUDEPICTURE "http://static.howstuffworks.com/gif/2507550computerpictures-250x150.jpg" \* MERGEFORMATINET INCLUDEPICTURE "http://static.howstuffworks.com/gif/2507550computerpictures-250x150.jpg" \* MERGEFORMATINET 4. INCLUDEPICTURE "http://static.howstuffworks.com/gif/sound-editing-5-250x150.jpg" \* MERGEFORMATINET INCLUDEPICTURE "http://static.howstuffworks.com/gif/sound-editing-5-250x150.jpg" \* MERGEFORMATINET

Reading.

2. You are going to read the text about different types of computers. Make sure you know these words and phrases.

to imply to apply to define to relate huge portability permanent location storage versatility brethren pointing device trackball cost-effectiveness

brand-new retail outlet flash memory touchscreen technology lightweight handheld computer workstation enhanced entire to diminish enterprise server single wearable computer

3. Read the text and complete the sentences after the text with the types of computers.

10 Types of Computers.

There are a lot of terms used to describe computers. Most of these words imply the size, expected use or capability of the computer. While the term computer can apply to virtually any device that has a microprocessor in it, most people think of a computer as a device that receives input from the user through a mouse or keyboard, processes it in some fashion and displays the result on a screen.

Do you know the different types of computers?

1. PC.

The personal computer (PC) defines a computer designed for general use by a single person. While a Mac is a PC, most people relate the term with systems that run the Windows operating system. PCs were first known as microcomputers because they were a complete computer but built on a smaller scale than the huge systems in use by most businesses.