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Unit 17 Lesson 5
Fax
Objectives: By the end of the lesson you will have
• talked about fax as a means of communication
• read a passage about fax
• transferred information presented in a figure into a descriptive passage.
A Do you know what a fax is? What is it used for?
B Read the following passage and answer the questions below it.
Document exchange through facsimile (popularly known as fax) systems is emerging as a major application of telecommunication due to its speed of transmission. A telephone connection is necessary for operating it. The fax machine is capable of transmitting and receiving printed matter, which may include graphics, drawings, pictures, handwritten texts, etc. This is highly suitable for business and official purposes which deal mostly with paper documents.
There are two types of fax systems - the photographic and the document. In the photographic fax, black and white, as well as gray level information is transmitted and printed. Typically there are 8 and 16 levels that can be recognised by the system. The document system handles only black and white levels. Generally the document facsimile is more popular than the photographic system. The receiver/transmitter functions, which are applicable to both the types of fax systems, are shown in the following figure.
Input document Output document
Faxed messages are received immediateiy after being sent and has thus become an important tool for correspondence in the world of business, trade and commerce, it is also used for many different types of personal and official correspondence. It is cheaper than using the telephone. It takes less than a minute to fax one A4 size page of written message from Dhaka to Chittagong, Rajshahi, Khulna, Barisal, or any other town in Bangladesh, and it costs about 25 taka for that. The same message would take about 5 minutes over the telephone and would cost 3-4 times more than what it takes to fax. That is why people prefer the fax to the telephone.
1 What are the benefits of the fax?
2 Convert the information contained in the figure about the process of sending a fax into written form.
C Your friend works in a different city. A relative has suddenly developed a serious health problem. Write a short fax message to him requesting him to come.
Focus:
Skills.
Speaking.
reading, writing. Functions.
Describing process.
Grammar/Structure.
Passive.
Vocabulary.
exchange, transmit, correspondence,
speedy.
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Unit 17 Lesson 5
Fax
Objectives: By the end of the lesson you will have
• talked about fax as a means of communication
• read a passage about fax
• transferred information presented in a figure into a descriptive passage.
A Do you know what a fax is? What is it used for?
B Read the following passage and answer the questions below it.
Document exchange through facsimile (popularly known as fax) systems is emerging as a major application of telecommunication due to its speed of transmission. A telephone connection is necessary for operating it. The fax machine is capable of transmitting and receiving printed matter, which may include graphics, drawings, pictures, handwritten texts, etc. This is highly suitable for business and official purposes which deal mostly with paper documents.
There are two types of fax systems - the photographic and the document. In the photographic fax, black and white, as well as gray level information is transmitted and printed. Typically there are 8 and 16 levels that can be recognised by the system. The document system handles only black and white levels. Generally the document facsimile is more popular than the photographic system. The receiver/transmitter functions, which are applicable to both the types of fax systems, are shown in the following figure.
Input document Output document
Faxed messages are received immediateiy after being sent and has thus become an important tool for correspondence in the world of business, trade and commerce, it is also used for many different types of personal and official correspondence. It is cheaper than using the telephone. It takes less than a minute to fax one A4 size page of written message from Dhaka to Chittagong, Rajshahi, Khulna, Barisal, or any other town in Bangladesh, and it costs about 25 taka for that. The same message would take about 5 minutes over the telephone and would cost 3-4 times more than what it takes to fax. That is why people prefer the fax to the telephone.
1 What are the benefits of the fax?
2 Convert the information contained in the figure about the process of sending a fax into written form.
C Your friend works in a different city. A relative has suddenly developed a serious health problem. Write a short fax message to him requesting him to come.
Focus:
Skills.
Speaking.
reading, writing. Functions.
Describing process.
Grammar/Structure.
Passive.
Vocabulary.
exchange, transmit, correspondence,
speedy.